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fromString(that,string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError('"encoding" must be a valid string encoding')}var length=byteLength(string,encoding)|0;that=createBuffer(that,length);var actual=that.write(string,encoding);if(actual!==length){that=that.slice(0,actual)}return that}function fromArrayLike(that,array){var length=array.length<0?0:checked(array.length)|0;that=createBuffer(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromArrayBuffer(that,array,byteOffset,length){array.byteLength;if(byteOffset<0||array.byteLength<byteOffset){throw new RangeError("'offset' is out of bounds")}if(array.byteLength<byteOffset+(length||0)){throw new RangeError("'length' is out of bounds")}if(byteOffset===undefined&&length===undefined){array=new Uint8Array(array)}else if(length===undefined){array=new Uint8Array(array,byteOffset)}else{array=new Uint8Array(array,byteOffset,length)}if(Buffer.TYPED_ARRAY_SUPPORT){that=array;that.__proto__=Buffer.prototype}else{that=fromArrayLike(that,array)}return that}function fromObject(that,obj){if(Buffer.isBuffer(obj)){var len=checked(obj.length)|0;that=createBuffer(that,len);if(that.length===0){return that}obj.copy(that,0,0,len);return that}if(obj){if(typeof ArrayBuffer!=="undefined"&&obj.buffer instanceof ArrayBuffer||"length"in obj){if(typeof obj.length!=="number"||isnan(obj.length)){return createBuffer(that,0)}return fromArrayLike(that,obj)}if(obj.type==="Buffer"&&isArray(obj.data)){return fromArrayLike(that,obj.data)}}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function checked(length){if(length>=kMaxLength()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength().toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function compare(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError("Arguments must be Buffers")}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len;++i){if(a[i]!==b[i]){x=a[i];y=b[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function isEncoding(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function concat(list,length){if(!isArray(list)){throw new TypeError('"list" argument must be an Array of Buffers')}if(list.length===0){return Buffer.alloc(0)}var i;if(length===undefined){length=0;for(i=0;i<list.length;++i){length+=list[i].length}}var buffer=Buffer.allocUnsafe(length);var pos=0;for(i=0;i<list.length;++i){var buf=list[i];if(!Buffer.isBuffer(buf)){throw new TypeError('"list" argument must be an Array of Buffers')}buf.copy(buffer,pos);pos+=buf.length}return buffer};function byteLength(string,encoding){if(Buffer.isBuffer(string)){return string.length}if(typeof ArrayBuffer!=="undefined"&&typeof ArrayBuffer.isView==="function"&&(ArrayBuffer.isView(string)||string instanceof ArrayBuffer)){return string.byteLength}if(typeof string!=="string"){string=""+string}var len=string.length;if(len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":case undefined:return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;i<len;i+=2){swap(this,i,i+1)}return this};Buffer.prototype.swap32=function swap32(){var len=this.length;if(len%4!==0){throw new RangeError("Buffer size must be a multiple of 32-bits")}for(var i=0;i<len;i+=4){swap(this,i,i+3);swap(this,i+1,i+2)}return this};Buffer.prototype.swap64=function swap64(){var len=this.length;if(len%8!==0){throw new RangeError("Buffer size must be a multiple of 64-bits")}for(var i=0;i<len;i+=8){swap(this,i,i+7);swap(this,i+1,i+6);swap(this,i+2,i+5);swap(this,i+3,i+4)}return this};Buffer.prototype.toString=function toString(){var length=this.length|0;if(length===0)return"";if(arguments.length===0)return utf8Slice(this,0,length);return slowToString.apply(this,arguments)};Buffer.prototype.equals=function equals(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");if(this===b)return true;return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function inspect(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target)){throw new TypeError("Argument must be a Buffer")}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i<len;++i){if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i];y=targetCopy[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};function bidirectionalIndexOf(buffer,val,byteOffset,encoding,dir){if(buffer.length===0)return-1;if(typeof byteOffset==="string"){encoding=byteOffset;byteOffset=0}else if(byteOffset>2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset=+byteOffset;if(isNaN(byteOffset)){byteOffset=dir?0:buffer.length-1}if(byteOffset<0)byteOffset=buffer.length+byteOffset;if(byteOffset>=buffer.length){if(dir)return-1;else byteOffset=buffer.length-1}else if(byteOffset<0){if(dir)byteOffset=0;else return-1}if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(buffer,val,byteOffset,encoding,dir)}else if(typeof val==="number"){val=val&255;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof Uint8Array.prototype.indexOf==="function"){if(dir){return Uint8Array.prototype.indexOf.call(buffer,val,byteOffset)}else{return Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset)}}return arrayIndexOf(buffer,[val],byteOffset,encoding,dir)}throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1;var arrLength=arr.length;var valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var i;if(dir){var foundIndex=-1;for(i=byteOffset;i<arrLength;i++){if(read(arr,i)===read(val,foundIndex===-1?0:i-foundIndex)){
if(foundIndex===-1)foundIndex=i;if(i-foundIndex+1===valLength)return foundIndex*indexSize}else{if(foundIndex!==-1)i-=i-foundIndex;foundIndex=-1}}}else{if(byteOffset+valLength>arrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;j<valLength;j++){if(read(arr,i+j)!==read(val,j)){found=false;break}}if(found)return i}}return-1}Buffer.prototype.includes=function includes(val,byteOffset,encoding){return this.indexOf(val,byteOffset,encoding)!==-1};Buffer.prototype.indexOf=function indexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,true)};Buffer.prototype.lastIndexOf=function lastIndexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,false)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new TypeError("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;++i){var parsed=parseInt(string.substr(i*2,2),16);if(isNaN(parsed))return i;buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(asciiToBytes(string),buf,offset,length)}function latin1Write(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length)}Buffer.prototype.write=function write(string,offset,length,encoding){if(offset===undefined){encoding="utf8";length=this.length;offset=0}else if(length===undefined&&typeof offset==="string"){encoding=offset;length=this.length;offset=0}else if(isFinite(offset)){offset=offset|0;if(isFinite(length)){length=length|0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i<end){var firstByte=buf[i];var codePoint=null;var bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(i<len){res+=String.fromCharCode.apply(String,codePoints.slice(i,i+=MAX_ARGUMENTS_LENGTH))}return res}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i]&127)}return ret}function latin1Slice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;++i){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function slice(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=this.subarray(start,end);newBuf.__proto__=Buffer.prototype}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined);for(var i=0;i<sliceLen;++i){newBuf[i]=this[i+start]}}return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}return val};Buffer.prototype.readUIntBE=function readUIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||value<min)throw new RangeError('"value" argument is out of bounds');if(offset+ext>buf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUIntBE=function writeUIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value&255;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;++i){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;++i){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){if(value<0&&sub===0&&this[offset+i-1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||this.length===0)return 0;if(targetStart<0){throw new RangeError("targetStart out of bounds")}if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart<end-start){end=target.length-targetStart+start}var len=end-start;var i;if(this===target&&start<targetStart&&targetStart<end){for(i=len-1;i>=0;--i){target[i+targetStart]=this[i+start]}}else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(i=0;i<len;++i){target[i+targetStart]=this[i+start]}}else{Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart)}return len};Buffer.prototype.fill=function fill(val,start,end,encoding){if(typeof val==="string"){if(typeof start==="string"){encoding=start;start=0;end=this.length}else if(typeof end==="string"){encoding=end;end=this.length}if(val.length===1){var code=val.charCodeAt(0);if(code<256){val=code}}if(encoding!==undefined&&typeof encoding!=="string"){throw new TypeError("encoding must be a string")}if(typeof encoding==="string"&&!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}}else if(typeof val==="number"){val=val&255}if(start<0||this.length<start||this.length<end){throw new RangeError("Out of range index")}if(end<=start){return this}start=start>>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i<end;++i){this[i]=val}}else{var bytes=Buffer.isBuffer(val)?val:utf8ToBytes(new Buffer(val,encoding).toString());var len=bytes.length;for(i=0;i<end-start;++i){this[i+start]=bytes[i%len]}}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){units=units||Infinity;var codePoint;var length=string.length;var leadSurrogate=null;var bytes=[];for(var i=0;i<length;++i){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;++i){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;++i){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;++i){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isnan(val){return val!==val}}).call(exports,__webpack_require__(0))},function(module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},function(module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},function(module,exports,__webpack_require__){(function(global,Buffer){var require;var require;(function(f){if(true){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.mapboxgl=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return require(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return 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e,a,o,u,i,c,f,v,s,l,M,h,m=n[0],y=n[1],d=n[2];return r===t?(t[12]=r[0]*m+r[4]*y+r[8]*d+r[12],t[13]=r[1]*m+r[5]*y+r[9]*d+r[13],t[14]=r[2]*m+r[6]*y+r[10]*d+r[14],t[15]=r[3]*m+r[7]*y+r[11]*d+r[15]):(e=r[0],a=r[1],o=r[2],u=r[3],i=r[4],c=r[5],f=r[6],v=r[7],s=r[8],l=r[9],M=r[10],h=r[11],t[0]=e,t[1]=a,t[2]=o,t[3]=u,t[4]=i,t[5]=c,t[6]=f,t[7]=v,t[8]=s,t[9]=l,t[10]=M,t[11]=h,t[12]=e*m+i*y+s*d+r[12],t[13]=a*m+c*y+l*d+r[13],t[14]=o*m+f*y+M*d+r[14],t[15]=u*m+v*y+h*d+r[15]),t}function h(t,r,n){var e=n[0],a=n[1],o=n[2];return t[0]=r[0]*e,t[1]=r[1]*e,t[2]=r[2]*e,t[3]=r[3]*e,t[4]=r[4]*a,t[5]=r[5]*a,t[6]=r[6]*a,t[7]=r[7]*a,t[8]=r[8]*o,t[9]=r[9]*o,t[10]=r[10]*o,t[11]=r[11]*o,t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15],t}function m(t,r,n){var e=Math.sin(n),a=Math.cos(n),o=r[4],u=r[5],i=r[6],c=r[7],f=r[8],v=r[9],s=r[10],l=r[11];return r!==t&&(t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=r[3],t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15]),t[4]=o*a+f*e,t[5]=u*a+v*e,t[6]=i*a+s*e,t[7]=c*a+l*e,t[8]=f*a-o*e,t[9]=v*a-u*e,t[10]=s*a-i*e,t[11]=l*a-c*e,t}function y(t,r,n){var e=Math.sin(n),a=Math.cos(n),o=r[0],u=r[1],i=r[2],c=r[3],f=r[4],v=r[5],s=r[6],l=r[7];return r!==t&&(t[8]=r[8],t[9]=r[9],t[10]=r[10],t[11]=r[11],t[12]=r[12],t[13]=r[13],t[14]=r[14],t[15]=r[15]),t[0]=o*a+f*e,t[1]=u*a+v*e,t[2]=i*a+s*e,t[3]=c*a+l*e,t[4]=f*a-o*e,t[5]=v*a-u*e,t[6]=s*a-i*e,t[7]=l*a-c*e,t}function d(t,r,n,e,a){var o=1/Math.tan(r/2),u=1/(e-a);return t[0]=o/n,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=o,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=(a+e)*u,t[11]=-1,t[12]=0,t[13]=0,t[14]=2*a*e*u,t[15]=0,t}function p(t,r,n,e,a,o,u){var i=1/(r-n),c=1/(e-a),f=1/(o-u);return t[0]=-2*i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*c,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*f,t[11]=0,t[12]=(r+n)*i,t[13]=(a+e)*c,t[14]=(u+o)*f,t[15]=1,t}var w=(t(),n(),{vec3:{transformMat3:r},vec4:{transformMat4:e},mat2:{create:a,rotate:o,scale:u},mat3:{create:i,fromRotation:c},mat4:{create:f,identity:v,translate:M,scale:h,multiply:l,perspective:d,rotateX:m,rotateZ:y,invert:s,ortho:p}});return w})},{}],2:[function(require,module,exports){!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.ShelfPack=e()}(this,function(){function t(t,e,i){i=i||{},this.w=t||64,this.h=e||64,this.autoResize=!!i.autoResize,this.shelves=[],this.freebins=[],this.stats={},this.bins={},this.maxId=0}function e(t,e,i){this.x=0,this.y=t,this.w=this.free=e,this.h=i}function i(t,e,i,s,h,n,r){this.id=t,this.x=e,this.y=i,this.w=s,this.h=h,this.maxw=n||s,this.maxh=r||h,this.refcount=0}return t.prototype.pack=function(t,e){t=[].concat(t),e=e||{};for(var i,s,h,n,r=[],f=0;f<t.length;f++)if(i=t[f].w||t[f].width,s=t[f].h||t[f].height,h=t[f].id,i&&s){if(n=this.packOne(i,s,h),!n)continue;e.inPlace&&(t[f].x=n.x,t[f].y=n.y,t[f].id=n.id),r.push(n)}if(this.shelves.length>0){for(var o=0,a=0,u=0;u<this.shelves.length;u++){var l=this.shelves[u];a+=l.h,o=Math.max(l.w-l.free,o)}this.resize(o,a)}return r},t.prototype.packOne=function(t,i,s){var h,n,r,f,o={freebin:-1,shelf:-1,waste:1/0},a=0;if("string"==typeof s||"number"==typeof s){if(h=this.getBin(s))return this.ref(h),h;"number"==typeof s&&(this.maxId=Math.max(s,this.maxId))}else s=++this.maxId;for(f=0;f<this.freebins.length;f++){if(h=this.freebins[f],i===h.maxh&&t===h.maxw)return this.allocFreebin(f,t,i,s);i>h.maxh||t>h.maxw||i<=h.maxh&&t<=h.maxw&&(r=h.maxw*h.maxh-t*i,r<o.waste&&(o.waste=r,o.freebin=f))}for(f=0;f<this.shelves.length;f++)if(n=this.shelves[f],a+=n.h,!(t>n.free)){if(i===n.h)return this.allocShelf(f,t,i,s);i>n.h||i<n.h&&(r=(n.h-i)*t,r<o.waste&&(o.freebin=-1,o.waste=r,o.shelf=f))}if(o.freebin!==-1)return this.allocFreebin(o.freebin,t,i,s);if(o.shelf!==-1)return this.allocShelf(o.shelf,t,i,s);if(i<=this.h-a&&t<=this.w)return n=new e(a,this.w,i),this.allocShelf(this.shelves.push(n)-1,t,i,s);if(this.autoResize){var u,l,c,p;return u=l=this.h,c=p=this.w,(c<=u||t>c)&&(p=2*Math.max(t,c)),(u<c||i>u)&&(l=2*Math.max(i,u)),this.resize(p,l),this.packOne(t,i,s)}return null},t.prototype.allocFreebin=function(t,e,i,s){var h=this.freebins.splice(t,1)[0];return h.id=s,h.w=e,h.h=i,h.refcount=0,this.bins[s]=h,this.ref(h),h},t.prototype.allocShelf=function(t,e,i,s){var h=this.shelves[t],n=h.alloc(e,i,s);return this.bins[s]=n,this.ref(n),n},t.prototype.getBin=function(t){return this.bins[t]},t.prototype.ref=function(t){if(1===++t.refcount){var e=t.h;this.stats[e]=(0|this.stats[e])+1}return t.refcount},t.prototype.unref=function(t){return 0===t.refcount?0:(0===--t.refcount&&(this.stats[t.h]--,delete this.bins[t.id],this.freebins.push(t)),t.refcount)},t.prototype.clear=function(){this.shelves=[],this.freebins=[],this.stats={},this.bins={},this.maxId=0},t.prototype.resize=function(t,e){this.w=t,this.h=e;for(var i=0;i<this.shelves.length;i++)this.shelves[i].resize(t);return!0},e.prototype.alloc=function(t,e,s){if(t>this.free||e>this.h)return null;var h=this.x;return this.x+=t,this.free-=t,new i(s,h,this.y,t,e,t,this.h)},e.prototype.resize=function(t){return this.free+=t-this.w,this.w=t,!0},t})},{}],3:[function(require,module,exports){function UnitBezier(t,i,e,r){this.cx=3*t,this.bx=3*(e-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*i,this.by=3*(r-i)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=r,this.p2x=e,this.p2y=r}module.exports=UnitBezier,UnitBezier.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},UnitBezier.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},UnitBezier.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},UnitBezier.prototype.solveCurveX=function(t,i){"undefined"==typeof i&&(i=1e-6);var e,r,s,h,n;for(s=t,n=0;n<8;n++){if(h=this.sampleCurveX(s)-t,Math.abs(h)<i)return s;var u=this.sampleCurveDerivativeX(s);if(Math.abs(u)<1e-6)break;s-=h/u}if(e=0,r=1,s=t,s<e)return e;if(s>r)return r;for(;e<r;){if(h=this.sampleCurveX(s),Math.abs(h-t)<i)return s;t>h?e=s:r=s,s=.5*(r-e)+e}return s},UnitBezier.prototype.solve=function(t,i){return this.sampleCurveY(this.solveCurveX(t,i))}},{}],4:[function(require,module,exports){!function(e,t){
"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(e.WhooTS=e.WhooTS||{})}(this,function(e){function t(e,t,r,n,i,s){s=s||{};var f=e+"?"+["bbox="+o(r,n,i),"format="+(s.format||"image/png"),"service="+(s.service||"WMS"),"version="+(s.version||"1.1.1"),"request="+(s.request||"GetMap"),"srs="+(s.srs||"EPSG:3857"),"width="+(s.width||256),"height="+(s.height||256),"layers="+t].join("&");return f}function o(e,t,o){t=Math.pow(2,o)-t-1;var n=r(256*e,256*t,o),i=r(256*(e+1),256*(t+1),o);return n[0]+","+n[1]+","+i[0]+","+i[1]}function r(e,t,o){var r=2*Math.PI*6378137/256/Math.pow(2,o),n=e*r-2*Math.PI*6378137/2,i=t*r-2*Math.PI*6378137/2;return[n,i]}e.getURL=t,e.getTileBBox=o,e.getMercCoords=r,Object.defineProperty(e,"__esModule",{value:!0})})},{}],5:[function(require,module,exports){"use strict";function earcut(e,n,r){r=r||2;var t=n&&n.length,i=t?n[0]*r:e.length,x=linkedList(e,0,i,r,!0),a=[];if(!x)return a;var o,l,u,s,v,f,y;if(t&&(x=eliminateHoles(e,n,x,r)),e.length>80*r){o=u=e[0],l=s=e[1];for(var d=r;d<i;d+=r)v=e[d],f=e[d+1],v<o&&(o=v),f<l&&(l=f),v>u&&(u=v),f>s&&(s=f);y=Math.max(u-o,s-l)}return earcutLinked(x,a,r,o,l,y),a}function linkedList(e,n,r,t,i){var x,a;if(i===signedArea(e,n,r,t)>0)for(x=n;x<r;x+=t)a=insertNode(x,e[x],e[x+1],a);else for(x=r-t;x>=n;x-=t)a=insertNode(x,e[x],e[x+1],a);return a&&equals(a,a.next)&&(removeNode(a),a=a.next),a}function filterPoints(e,n){if(!e)return e;n||(n=e);var r,t=e;do{if(r=!1,t.steiner||!equals(t,t.next)&&0!==area(t.prev,t,t.next))t=t.next;else{if(removeNode(t),t=n=t.prev,t===t.next)return null;r=!0}}while(r||t!==n);return n}function earcutLinked(e,n,r,t,i,x,a){if(e){!a&&x&&indexCurve(e,t,i,x);for(var o,l,u=e;e.prev!==e.next;)if(o=e.prev,l=e.next,x?isEarHashed(e,t,i,x):isEar(e))n.push(o.i/r),n.push(e.i/r),n.push(l.i/r),removeNode(e),e=l.next,u=l.next;else if(e=l,e===u){a?1===a?(e=cureLocalIntersections(e,n,r),earcutLinked(e,n,r,t,i,x,2)):2===a&&splitEarcut(e,n,r,t,i,x):earcutLinked(filterPoints(e),n,r,t,i,x,1);break}}}function isEar(e){var n=e.prev,r=e,t=e.next;if(area(n,r,t)>=0)return!1;for(var i=e.next.next;i!==e.prev;){if(pointInTriangle(n.x,n.y,r.x,r.y,t.x,t.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}function isEarHashed(e,n,r,t){var i=e.prev,x=e,a=e.next;if(area(i,x,a)>=0)return!1;for(var o=i.x<x.x?i.x<a.x?i.x:a.x:x.x<a.x?x.x:a.x,l=i.y<x.y?i.y<a.y?i.y:a.y:x.y<a.y?x.y:a.y,u=i.x>x.x?i.x>a.x?i.x:a.x:x.x>a.x?x.x:a.x,s=i.y>x.y?i.y>a.y?i.y:a.y:x.y>a.y?x.y:a.y,v=zOrder(o,l,n,r,t),f=zOrder(u,s,n,r,t),y=e.nextZ;y&&y.z<=f;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(y=e.prevZ;y&&y.z>=v;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.prevZ}return!0}function cureLocalIntersections(e,n,r){var t=e;do{var i=t.prev,x=t.next.next;!equals(i,x)&&intersects(i,t,t.next,x)&&locallyInside(i,x)&&locallyInside(x,i)&&(n.push(i.i/r),n.push(t.i/r),n.push(x.i/r),removeNode(t),removeNode(t.next),t=e=x),t=t.next}while(t!==e);return t}function splitEarcut(e,n,r,t,i,x){var a=e;do{for(var o=a.next.next;o!==a.prev;){if(a.i!==o.i&&isValidDiagonal(a,o)){var l=splitPolygon(a,o);return a=filterPoints(a,a.next),l=filterPoints(l,l.next),earcutLinked(a,n,r,t,i,x),void earcutLinked(l,n,r,t,i,x)}o=o.next}a=a.next}while(a!==e)}function eliminateHoles(e,n,r,t){var i,x,a,o,l,u=[];for(i=0,x=n.length;i<x;i++)a=n[i]*t,o=i<x-1?n[i+1]*t:e.length,l=linkedList(e,a,o,t,!1),l===l.next&&(l.steiner=!0),u.push(getLeftmost(l));for(u.sort(compareX),i=0;i<u.length;i++)eliminateHole(u[i],r),r=filterPoints(r,r.next);return r}function compareX(e,n){return e.x-n.x}function eliminateHole(e,n){if(n=findHoleBridge(e,n)){var r=splitPolygon(n,e);filterPoints(r,r.next)}}function findHoleBridge(e,n){var r,t=n,i=e.x,x=e.y,a=-(1/0);do{if(x<=t.y&&x>=t.next.y){var o=t.x+(x-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(o<=i&&o>a){if(a=o,o===i){if(x===t.y)return t;if(x===t.next.y)return t.next}r=t.x<t.next.x?t:t.next}}t=t.next}while(t!==n);if(!r)return null;if(i===a)return r.prev;var l,u=r,s=r.x,v=r.y,f=1/0;for(t=r.next;t!==u;)i>=t.x&&t.x>=s&&pointInTriangle(x<v?i:a,x,s,v,x<v?a:i,x,t.x,t.y)&&(l=Math.abs(x-t.y)/(i-t.x),(l<f||l===f&&t.x>r.x)&&locallyInside(t,e)&&(r=t,f=l)),t=t.next;return r}function indexCurve(e,n,r,t){var i=e;do{null===i.z&&(i.z=zOrder(i.x,i.y,n,r,t)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next}while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,sortLinked(i)}function sortLinked(e){var n,r,t,i,x,a,o,l,u=1;do{for(r=e,e=null,x=null,a=0;r;){for(a++,t=r,o=0,n=0;n<u&&(o++,t=t.nextZ,t);n++);for(l=u;o>0||l>0&&t;)0===o?(i=t,t=t.nextZ,l--):0!==l&&t?r.z<=t.z?(i=r,r=r.nextZ,o--):(i=t,t=t.nextZ,l--):(i=r,r=r.nextZ,o--),x?x.nextZ=i:e=i,i.prevZ=x,x=i;r=t}x.nextZ=null,u*=2}while(a>1);return e}function zOrder(e,n,r,t,i){return e=32767*(e-r)/i,n=32767*(n-t)/i,e=16711935&(e|e<<8),e=252645135&(e|e<<4),e=858993459&(e|e<<2),e=1431655765&(e|e<<1),n=16711935&(n|n<<8),n=252645135&(n|n<<4),n=858993459&(n|n<<2),n=1431655765&(n|n<<1),e|n<<1}function getLeftmost(e){var n=e,r=e;do{n.x<r.x&&(r=n),n=n.next}while(n!==e);return r}function pointInTriangle(e,n,r,t,i,x,a,o){return(i-a)*(n-o)-(e-a)*(x-o)>=0&&(e-a)*(t-o)-(r-a)*(n-o)>=0&&(r-a)*(x-o)-(i-a)*(t-o)>=0}function isValidDiagonal(e,n){return e.next.i!==n.i&&e.prev.i!==n.i&&!intersectsPolygon(e,n)&&locallyInside(e,n)&&locallyInside(n,e)&&middleInside(e,n)}function area(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function equals(e,n){return e.x===n.x&&e.y===n.y}function intersects(e,n,r,t){return!!(equals(e,n)&&equals(r,t)||equals(e,t)&&equals(r,n))||area(e,n,r)>0!=area(e,n,t)>0&&area(r,t,e)>0!=area(r,t,n)>0}function intersectsPolygon(e,n){var r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==n.i&&r.next.i!==n.i&&intersects(r,r.next,e,n))return!0;r=r.next}while(r!==e);return!1}function locallyInside(e,n){return area(e.prev,e,e.next)<0?area(e,n,e.next)>=0&&area(e,e.prev,n)>=0:area(e,n,e.prev)<0||area(e,e.next,n)<0}function middleInside(e,n){var r=e,t=!1,i=(e.x+n.x)/2,x=(e.y+n.y)/2;do{r.y>x!=r.next.y>x&&i<(r.next.x-r.x)*(x-r.y)/(r.next.y-r.y)+r.x&&(t=!t),r=r.next}while(r!==e);return t}function splitPolygon(e,n){var r=new Node(e.i,e.x,e.y),t=new Node(n.i,n.x,n.y),i=e.next,x=n.prev;return e.next=n,n.prev=e,r.next=i,i.prev=r,t.next=r,r.prev=t,x.next=t,t.prev=x,t}function insertNode(e,n,r,t){var i=new Node(e,n,r);return t?(i.next=t.next,i.prev=t,t.next.prev=i,t.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,n,r,t){for(var i=0,x=n,a=r-t;x<r;x+=t)i+=(e[a]-e[x])*(e[x+1]+e[a+1]),a=x;return i}module.exports=earcut,earcut.deviation=function(e,n,r,t){var i=n&&n.length,x=i?n[0]*r:e.length,a=Math.abs(signedArea(e,0,x,r));if(i)for(var o=0,l=n.length;o<l;o++){var u=n[o]*r,s=o<l-1?n[o+1]*r:e.length;a-=Math.abs(signedArea(e,u,s,r))}var v=0;for(o=0;o<t.length;o+=3){var f=t[o]*r,y=t[o+1]*r,d=t[o+2]*r;v+=Math.abs((e[f]-e[d])*(e[y+1]-e[f+1])-(e[f]-e[y])*(e[d+1]-e[f+1]))}return 0===a&&0===v?0:Math.abs((v-a)/a)},earcut.flatten=function(e){for(var n=e[0][0].length,r={vertices:[],holes:[],dimensions:n},t=0,i=0;i<e.length;i++){for(var x=0;x<e[i].length;x++)for(var a=0;a<n;a++)r.vertices.push(e[i][x][a]);i>0&&(t+=e[i-1].length,r.holes.push(t))}return r}},{}],6:[function(require,module,exports){function geometry(r){if("Polygon"===r.type)return polygonArea(r.coordinates);if("MultiPolygon"===r.type){for(var e=0,n=0;n<r.coordinates.length;n++)e+=polygonArea(r.coordinates[n]);return e}return null}function polygonArea(r){var e=0;if(r&&r.length>0){e+=Math.abs(ringArea(r[0]));for(var n=1;n<r.length;n++)e-=Math.abs(ringArea(r[n]))}return e}function ringArea(r){var e=0;if(r.length>2){for(var n,t,o=0;o<r.length-1;o++)n=r[o],t=r[o+1],e+=rad(t[0]-n[0])*(2+Math.sin(rad(n[1]))+Math.sin(rad(t[1])));e=e*wgs84.RADIUS*wgs84.RADIUS/2}return e}function rad(r){return r*Math.PI/180}var wgs84=require("wgs84");module.exports.geometry=geometry,module.exports.ring=ringArea},{wgs84:42}],7:[function(require,module,exports){function rewind(r,e){switch(r&&r.type||null){case"FeatureCollection":return r.features=r.features.map(curryOuter(rewind,e)),r;case"Feature":return r.geometry=rewind(r.geometry,e),r;case"Polygon":case"MultiPolygon":return correct(r,e);default:return r}}function curryOuter(r,e){return function(n){return r(n,e)}}function correct(r,e){return"Polygon"===r.type?r.coordinates=correctRings(r.coordinates,e):"MultiPolygon"===r.type&&(r.coordinates=r.coordinates.map(curryOuter(correctRings,e))),r}function correctRings(r,e){e=!!e,r[0]=wind(r[0],!e);for(var n=1;n<r.length;n++)r[n]=wind(r[n],e);return r}function wind(r,e){return cw(r)===e?r:r.reverse()}function cw(r){return geojsonArea.ring(r)>=0}var geojsonArea=require("geojson-area");module.exports=rewind},{"geojson-area":6}],8:[function(require,module,exports){"use strict";function clip(e,r,t,n,u,i,l,s){if(t/=r,n/=r,l>=t&&s<=n)return e;if(l>n||s<t)return null;for(var h=[],p=0;p<e.length;p++){var a,c,o=e[p],f=o.geometry,g=o.type;if(a=o.min[u],c=o.max[u],a>=t&&c<=n)h.push(o);else if(!(a>n||c<t)){var v=1===g?clipPoints(f,t,n,u):clipGeometry(f,t,n,u,i,3===g);v.length&&h.push(createFeature(o.tags,g,v,o.id))}}return h.length?h:null}function clipPoints(e,r,t,n){for(var u=[],i=0;i<e.length;i++){var l=e[i],s=l[n];s>=r&&s<=t&&u.push(l)}return u}function clipGeometry(e,r,t,n,u,i){for(var l=[],s=0;s<e.length;s++){var h,p,a,c=0,o=0,f=null,g=e[s],v=g.area,m=g.dist,w=g.outer,S=g.length,d=[];for(p=0;p<S-1;p++)h=f||g[p],f=g[p+1],c=o||h[n],o=f[n],c<r?o>t?(d.push(u(h,f,r),u(h,f,t)),i||(d=newSlice(l,d,v,m,w))):o>=r&&d.push(u(h,f,r)):c>t?o<r?(d.push(u(h,f,t),u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o<=t&&d.push(u(h,f,t)):(d.push(h),o<r?(d.push(u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o>t&&(d.push(u(h,f,t)),i||(d=newSlice(l,d,v,m,w))));h=g[S-1],c=h[n],c>=r&&c<=t&&d.push(h),a=d[d.length-1],i&&a&&(d[0][0]!==a[0]||d[0][1]!==a[1])&&d.push(d[0]),newSlice(l,d,v,m,w)}return l}function newSlice(e,r,t,n,u){return r.length&&(r.area=t,r.dist=n,void 0!==u&&(r.outer=u),e.push(r)),[]}module.exports=clip;var createFeature=require("./feature")},{"./feature":10}],9:[function(require,module,exports){"use strict";function convert(e,t){var r=[];if("FeatureCollection"===e.type)for(var o=0;o<e.features.length;o++)convertFeature(r,e.features[o],t);else"Feature"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r}function convertFeature(e,t,r){if(null!==t.geometry){var o,a,i,n,u=t.geometry,c=u.type,l=u.coordinates,s=t.properties,p=t.id;if("Point"===c)e.push(createFeature(s,1,[projectPoint(l)],p));else if("MultiPoint"===c)e.push(createFeature(s,1,project(l),p));else if("LineString"===c)e.push(createFeature(s,2,[project(l,r)],p));else if("MultiLineString"===c||"Polygon"===c){for(i=[],o=0;o<l.length;o++)n=project(l[o],r),"Polygon"===c&&(n.outer=0===o),i.push(n);e.push(createFeature(s,"Polygon"===c?3:2,i,p))}else if("MultiPolygon"===c){for(i=[],o=0;o<l.length;o++)for(a=0;a<l[o].length;a++)n=project(l[o][a],r),n.outer=0===a,i.push(n);e.push(createFeature(s,3,i,p))}else{if("GeometryCollection"!==c)throw new Error("Input data is not a valid GeoJSON object.");for(o=0;o<u.geometries.length;o++)convertFeature(e,{geometry:u.geometries[o],properties:s},r)}}}function project(e,t){for(var r=[],o=0;o<e.length;o++)r.push(projectPoint(e[o]));return t&&(simplify(r,t),calcSize(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,o=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return o=o<0?0:o>1?1:o,[r,o,0]}function calcSize(e){for(var t,r,o=0,a=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],o+=t[0]*r[1]-r[0]*t[1],a+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(o/2),e.dist=a}module.exports=convert;var simplify=require("./simplify"),createFeature=require("./feature")},{"./feature":10,"./simplify":12}],10:[function(require,module,exports){"use strict";function createFeature(e,t,a,n){var r={id:n||null,type:t,geometry:a,tags:e||null,min:[1/0,1/0],max:[-(1/0),-(1/0)]};return calcBBox(r),r}function calcBBox(e){var t=e.geometry,a=e.min,n=e.max;if(1===e.type)calcRingBBox(a,n,t);else for(var r=0;r<t.length;r++)calcRingBBox(a,n,t[r]);return e}function calcRingBBox(e,t,a){for(var n,r=0;r<a.length;r++)n=a[r],e[0]=Math.min(n[0],e[0]),t[0]=Math.max(n[0],t[0]),e[1]=Math.min(n[1],e[1]),t[1]=Math.max(n[1],t[1])}module.exports=createFeature},{}],11:[function(require,module,exports){"use strict";function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var i=t.debug;i&&console.time("preprocess data");var o=1<<t.maxZoom,n=convert(e,t.tolerance/(o*t.extent));this.tiles={},this.tileCoords=[],i&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),n=wrap(n,t.buffer/t.extent,intersectX),n.length&&this.splitTile(n,0,0,0),i&&(n.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}function toID(e,t,i){return 32*((1<<e)*i+t)+e}function intersectX(e,t,i){return[i,(i-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,i){return[(i-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],i,1]}function extend(e,t){for(var i in t)e[i]=t[i];return e}function isClippedSquare(e,t,i){var o=e.source;if(1!==o.length)return!1;var n=o[0];if(3!==n.type||n.geometry.length>1)return!1;var r=n.geometry[0].length;if(5!==r)return!1;for(var s=0;s<r;s++){var l=transform.point(n.geometry[0][s],t,e.z2,e.x,e.y);if(l[0]!==-i&&l[0]!==t+i||l[1]!==-i&&l[1]!==t+i)return!1}return!0}module.exports=geojsonvt;var convert=require("./convert"),transform=require("./transform"),clip=require("./clip"),wrap=require("./wrap"),createTile=require("./tile");GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,i,o,n,r,s){for(var l=[e,t,i,o],a=this.options,u=a.debug,c=null;l.length;){o=l.pop(),i=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,d=toID(t,i,o),m=this.tiles[d],f=t===a.maxZoom?0:a.tolerance/(p*a.extent);if(!m&&(u>1&&console.time("creation"),m=this.tiles[d]=createTile(e,p,i,o,f,t===a.maxZoom),this.tileCoords.push({z:t,x:i,y:o}),u)){u>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,i,o,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var h="z"+t;this.stats[h]=(this.stats[h]||0)+1,this.total++}if(m.source=e,n){if(t===a.maxZoom||t===n)continue;var x=1<<n-t;if(i!==Math.floor(r/x)||o!==Math.floor(s/x))continue}else if(t===a.indexMaxZoom||m.numPoints<=a.indexMaxPoints)continue;if(a.solidChildren||!isClippedSquare(m,a.extent,a.buffer)){m.source=null,u>1&&console.time("clipping");var g,v,M,T,b,y,S=.5*a.buffer/a.extent,Z=.5-S,q=.5+S,w=1+S;g=v=M=T=null,b=clip(e,p,i-S,i+q,0,intersectX,m.min[0],m.max[0]),y=clip(e,p,i+Z,i+w,0,intersectX,m.min[0],m.max[0]),b&&(g=clip(b,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),v=clip(b,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),y&&(M=clip(y,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),T=clip(y,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),u>1&&console.timeEnd("clipping"),e.length&&(l.push(g||[],t+1,2*i,2*o),l.push(v||[],t+1,2*i,2*o+1),l.push(M||[],t+1,2*i+1,2*o),l.push(T||[],t+1,2*i+1,2*o+1))}else n&&(c=t)}return c},GeoJSONVT.prototype.getTile=function(e,t,i){var o=this.options,n=o.extent,r=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,i);if(this.tiles[l])return transform.tile(this.tiles[l],n);r>1&&console.log("drilling down to z%d-%d-%d",e,t,i);for(var a,u=e,c=t,p=i;!a&&u>0;)u--,c=Math.floor(c/2),p=Math.floor(p/2),a=this.tiles[toID(u,c,p)];if(!a||!a.source)return null;if(r>1&&console.log("found parent tile z%d-%d-%d",u,c,p),isClippedSquare(a,n,o.buffer))return transform.tile(a,n);r>1&&console.time("drilling down");var d=this.splitTile(a.source,u,c,p,e,t,i);if(r>1&&console.timeEnd("drilling down"),null!==d){var m=1<<e-d;l=toID(d,Math.floor(t/m),Math.floor(i/m))}return this.tiles[l]?transform.tile(this.tiles[l],n):null}},{"./clip":8,"./convert":9,"./tile":13,"./transform":14,"./wrap":15}],12:[function(require,module,exports){"use strict";function simplify(t,i){var e,p,r,s,o=i*i,f=t.length,u=0,n=f-1,g=[];for(t[u][2]=1,t[n][2]=1;n;){for(p=0,e=u+1;e<n;e++)r=getSqSegDist(t[e],t[u],t[n]),r>p&&(s=e,p=r);p>o?(t[s][2]=p,g.push(u),g.push(s),u=s):(n=g.pop(),u=g.pop())}}function getSqSegDist(t,i,e){var p=i[0],r=i[1],s=e[0],o=e[1],f=t[0],u=t[1],n=s-p,g=o-r;if(0!==n||0!==g){var l=((f-p)*n+(u-r)*g)/(n*n+g*g);l>1?(p=s,r=o):l>0&&(p+=n*l,r+=g*l)}return n=f-p,g=u-r,n*n+g*g}module.exports=simplify},{}],13:[function(require,module,exports){"use strict";function createTile(e,n,r,i,t,u){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:i,z2:n,transformed:!1,min:[2,1],max:[-1,0]},m=0;m<e.length;m++){a.numFeatures++,addFeature(a,e[m],t,u);var s=e[m].min,l=e[m].max;s[0]<a.min[0]&&(a.min[0]=s[0]),s[1]<a.min[1]&&(a.min[1]=s[1]),l[0]>a.max[0]&&(a.max[0]=l[0]),l[1]>a.max[1]&&(a.max[1]=l[1])}return a}function addFeature(e,n,r,i){var t,u,a,m,s=n.geometry,l=n.type,o=[],f=r*r;if(1===l)for(t=0;t<s.length;t++)o.push(s[t]),e.numPoints++,e.numSimplified++;else for(t=0;t<s.length;t++)if(a=s[t],i||!(2===l&&a.dist<r||3===l&&a.area<f)){var d=[];for(u=0;u<a.length;u++)m=a[u],(i||m[2]>f)&&(d.push(m),e.numSimplified++),e.numPoints++;3===l&&rewind(d,a.outer),o.push(d)}else e.numPoints+=a.length;if(o.length){var g={geometry:o,type:l,tags:n.tags||null};null!==n.id&&(g.id=n.id),e.features.push(g)}}function rewind(e,n){var r=signedArea(e);r<0===n&&e.reverse()}function signedArea(e){for(var n,r,i=0,t=0,u=e.length,a=u-1;t<u;a=t++)n=e[t],r=e[a],i+=(r[0]-n[0])*(n[1]+r[1]);return i}module.exports=createTile},{}],14:[function(require,module,exports){"use strict";function transformTile(r,t){if(r.transformed)return r;var n,e,o,f=r.z2,a=r.x,s=r.y;for(n=0;n<r.features.length;n++){var i=r.features[n],u=i.geometry,m=i.type;if(1===m)for(e=0;e<u.length;e++)u[e]=transformPoint(u[e],t,f,a,s);else for(e=0;e<u.length;e++){var l=u[e];for(o=0;o<l.length;o++)l[o]=transformPoint(l[o],t,f,a,s)}}return r.transformed=!0,r}function transformPoint(r,t,n,e,o){var f=Math.round(t*(r[0]*n-e)),a=Math.round(t*(r[1]*n-o));return[f,a]}exports.tile=transformTile,exports.point=transformPoint},{}],15:[function(require,module,exports){"use strict";function wrap(r,e,t){var o=r,a=clip(r,1,-1-e,e,0,t,-1,2),s=clip(r,1,1-e,2+e,0,t,-1,2);return(a||s)&&(o=clip(r,1,-e,1+e,0,t,-1,2)||[],a&&(o=shiftFeatureCoords(a,1).concat(o)),s&&(o=o.concat(shiftFeatureCoords(s,-1)))),o}function shiftFeatureCoords(r,e){for(var t=[],o=0;o<r.length;o++){var a,s=r[o],i=s.type;if(1===i)a=shiftCoords(s.geometry,e);else{a=[];for(var u=0;u<s.geometry.length;u++)a.push(shiftCoords(s.geometry[u],e))}t.push(createFeature(s.tags,i,a,s.id))}return t}function shiftCoords(r,e){var t=[];t.area=r.area,t.dist=r.dist;for(var o=0;o<r.length;o++)t.push([r[o][0]+e,r[o][1],r[o][2]]);return t}var clip=require("./clip"),createFeature=require("./feature");module.exports=wrap},{"./clip":8,"./feature":10}],16:[function(require,module,exports){"use strict";function GridIndex(t,r,e){var s=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var i=new Int32Array(this.arrayBuffer);t=i[0],r=i[1],e=i[2],this.d=r+2*e;for(var h=0;h<this.d*this.d;h++){var n=i[NUM_PARAMS+h],o=i[NUM_PARAMS+h+1];s.push(n===o?null:i.subarray(n,o))}var l=i[NUM_PARAMS+s.length],a=i[NUM_PARAMS+s.length+1];this.keys=i.subarray(l,a),this.bboxes=i.subarray(a),this.insert=this._insertReadonly}else{this.d=r+2*e;for(var d=0;d<this.d*this.d;d++)s.push([]);this.keys=[],this.bboxes=[]}this.n=r,this.extent=t,this.padding=e,this.scale=r/t,this.uid=0;var f=e/r*t;this.min=-f,this.max=t+f}module.exports=GridIndex;var NUM_PARAMS=3;GridIndex.prototype.insert=function(t,r,e,s,i){this._forEachCell(r,e,s,i,this._insertCell,this.uid++),this.keys.push(t),this.bboxes.push(r),this.bboxes.push(e),this.bboxes.push(s),this.bboxes.push(i)},GridIndex.prototype._insertReadonly=function(){throw"Cannot insert into a GridIndex created from an ArrayBuffer."},GridIndex.prototype._insertCell=function(t,r,e,s,i,h){this.cells[i].push(h)},GridIndex.prototype.query=function(t,r,e,s){var i=this.min,h=this.max;if(t<=i&&r<=i&&h<=e&&h<=s)return Array.prototype.slice.call(this.keys);var n=[],o={};return this._forEachCell(t,r,e,s,this._queryCell,n,o),n},GridIndex.prototype._queryCell=function(t,r,e,s,i,h,n){var o=this.cells[i];if(null!==o)for(var l=this.keys,a=this.bboxes,d=0;d<o.length;d++){var f=o[d];if(void 0===n[f]){var u=4*f;t<=a[u+2]&&r<=a[u+3]&&e>=a[u+0]&&s>=a[u+1]?(n[f]=!0,h.push(l[f])):n[f]=!1}}},GridIndex.prototype._forEachCell=function(t,r,e,s,i,h,n){for(var o=this._convertToCellCoord(t),l=this._convertToCellCoord(r),a=this._convertToCellCoord(e),d=this._convertToCellCoord(s),f=o;f<=a;f++)for(var u=l;u<=d;u++){var y=this.d*u+f;if(i.call(this,t,r,e,s,y,h,n))return}},GridIndex.prototype._convertToCellCoord=function(t){return Math.max(0,Math.min(this.d-1,Math.floor(t*this.scale)+this.padding))},GridIndex.prototype.toArrayBuffer=function(){if(this.arrayBuffer)return this.arrayBuffer;for(var t=this.cells,r=NUM_PARAMS+this.cells.length+1+1,e=0,s=0;s<this.cells.length;s++)e+=this.cells[s].length;var i=new Int32Array(r+e+this.keys.length+this.bboxes.length);i[0]=this.extent,i[1]=this.n,i[2]=this.padding;for(var h=r,n=0;n<t.length;n++){var o=t[n];i[NUM_PARAMS+n]=h,i.set(o,h),h+=o.length}return i[NUM_PARAMS+t.length]=h,i.set(this.keys,h),h+=this.keys.length,i[NUM_PARAMS+t.length+1]=h,i.set(this.bboxes,h),h+=this.bboxes.length,i.buffer}},{}],17:[function(require,module,exports){exports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:(s?-1:1)*(1/0);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=o<0||0===o&&1/o<0?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),o+=p+N>=1?n/f:n*Math.pow(2,1-N),o*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l}},{}],18:[function(require,module,exports){"use strict";function kdbush(t,i,e,s,n){return new KDBush(t,i,e,s,n)}function KDBush(t,i,e,s,n){i=i||defaultGetX,e=e||defaultGetY,n=n||Array,this.nodeSize=s||64,this.points=t,this.ids=new n(t.length),this.coords=new n(2*t.length);for(var r=0;r<t.length;r++)this.ids[r]=r,this.coords[2*r]=i(t[r]),this.coords[2*r+1]=e(t[r]);sort(this.ids,this.coords,this.nodeSize,0,this.ids.length-1,0)}function defaultGetX(t){return t[0]}function defaultGetY(t){return t[1]}var sort=require("./sort"),range=require("./range"),within=require("./within");module.exports=kdbush,KDBush.prototype={range:function(t,i,e,s){return range(this.ids,this.coords,t,i,e,s,this.nodeSize)},within:function(t,i,e){return within(this.ids,this.coords,t,i,e,this.nodeSize)}}},{"./range":19,"./sort":20,"./within":21}],19:[function(require,module,exports){"use strict";function range(p,r,s,u,h,e,o){for(var a,t,n=[0,p.length-1,0],f=[];n.length;){var l=n.pop(),v=n.pop(),g=n.pop();if(v-g<=o)for(var i=g;i<=v;i++)a=r[2*i],t=r[2*i+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[i]);else{var c=Math.floor((g+v)/2);a=r[2*c],t=r[2*c+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[c]);var d=(l+1)%2;(0===l?s<=a:u<=t)&&(n.push(g),n.push(c-1),n.push(d)),(0===l?h>=a:e>=t)&&(n.push(c+1),n.push(v),n.push(d))}}return f}module.exports=range},{}],20:[function(require,module,exports){"use strict";function sortKD(t,a,o,s,r,e){if(!(r-s<=o)){var f=Math.floor((s+r)/2);select(t,a,f,s,r,e%2),sortKD(t,a,o,s,f-1,e+1),sortKD(t,a,o,f+1,r,e+1)}}function select(t,a,o,s,r,e){for(;r>s;){if(r-s>600){var f=r-s+1,p=o-s+1,w=Math.log(f),m=.5*Math.exp(2*w/3),n=.5*Math.sqrt(w*m*(f-m)/f)*(p-f/2<0?-1:1),c=Math.max(s,Math.floor(o-p*m/f+n)),h=Math.min(r,Math.floor(o+(f-p)*m/f+n));select(t,a,o,c,h,e)}var i=a[2*o+e],l=s,M=r;for(swapItem(t,a,s,o),a[2*r+e]>i&&swapItem(t,a,s,r);l<M;){for(swapItem(t,a,l,M),l++,M--;a[2*l+e]<i;)l++;for(;a[2*M+e]>i;)M--}a[2*s+e]===i?swapItem(t,a,s,M):(M++,swapItem(t,a,M,r)),M<=o&&(s=M+1),o<=M&&(r=M-1)}}function swapItem(t,a,o,s){swap(t,o,s),swap(a,2*o,2*s),swap(a,2*o+1,2*s+1)}function swap(t,a,o){var s=t[a];t[a]=t[o],t[o]=s}module.exports=sortKD},{}],21:[function(require,module,exports){"use strict";function within(s,p,r,t,u,h){for(var i=[0,s.length-1,0],o=[],n=u*u;i.length;){var e=i.pop(),a=i.pop(),f=i.pop();if(a-f<=h)for(var v=f;v<=a;v++)sqDist(p[2*v],p[2*v+1],r,t)<=n&&o.push(s[v]);else{var l=Math.floor((f+a)/2),c=p[2*l],q=p[2*l+1];sqDist(c,q,r,t)<=n&&o.push(s[l]);var D=(e+1)%2;(0===e?r-u<=c:t-u<=q)&&(i.push(f),i.push(l-1),i.push(D)),(0===e?r+u>=c:t+u>=q)&&(i.push(l+1),i.push(a),i.push(D))}}return o}function sqDist(s,p,r,t){var u=s-r,h=p-t;return u*u+h*h}module.exports=within},{}],22:[function(require,module,exports){"use strict";function isSupported(e){return!!(isBrowser()&&isArraySupported()&&isFunctionSupported()&&isObjectSupported()&&isJSONSupported()&&isWorkerSupported()&&isUint8ClampedArraySupported()&&isWebGLSupportedCached(e&&e.failIfMajorPerformanceCaveat))}function isBrowser(){return"undefined"!=typeof window&&"undefined"!=typeof document}function isArraySupported(){return Array.prototype&&Array.prototype.every&&Array.prototype.filter&&Array.prototype.forEach&&Array.prototype.indexOf&&Array.prototype.lastIndexOf&&Array.prototype.map&&Array.prototype.some&&Array.prototype.reduce&&Array.prototype.reduceRight&&Array.isArray}function isFunctionSupported(){return Function.prototype&&Function.prototype.bind}function isObjectSupported(){return Object.keys&&Object.create&&Object.getPrototypeOf&&Object.getOwnPropertyNames&&Object.isSealed&&Object.isFrozen&&Object.isExtensible&&Object.getOwnPropertyDescriptor&&Object.defineProperty&&Object.defineProperties&&Object.seal&&Object.freeze&&Object.preventExtensions}function isJSONSupported(){return"JSON"in window&&"parse"in JSON&&"stringify"in JSON}function isWorkerSupported(){return"Worker"in window}function isUint8ClampedArraySupported(){return"Uint8ClampedArray"in window}function isWebGLSupportedCached(e){return void 0===isWebGLSupportedCache[e]&&(isWebGLSupportedCache[e]=isWebGLSupported(e)),isWebGLSupportedCache[e]}function isWebGLSupported(e){var t=document.createElement("canvas"),r=Object.create(isSupported.webGLContextAttributes);return r.failIfMajorPerformanceCaveat=e,t.probablySupportsContext?t.probablySupportsContext("webgl",r)||t.probablySupportsContext("experimental-webgl",r):t.supportsContext?t.supportsContext("webgl",r)||t.supportsContext("experimental-webgl",r):t.getContext("webgl",r)||t.getContext("experimental-webgl",r)}"undefined"!=typeof module&&module.exports?module.exports=isSupported:window&&(window.mapboxgl=window.mapboxgl||{},window.mapboxgl.supported=isSupported);var isWebGLSupportedCache={};isSupported.webGLContextAttributes={antialias:!1,alpha:!0,stencil:!0,depth:!0}},{}],23:[function(require,module,exports){(function(process){function normalizeArray(r,t){for(var e=0,n=r.length-1;n>=0;n--){var s=r[n];"."===s?r.splice(n,1):".."===s?(r.splice(n,1),e++):e&&(r.splice(n,1),e--)}if(t)for(;e--;e)r.unshift("..");return r}function filter(r,t){if(r.filter)return r.filter(t);for(var e=[],n=0;n<r.length;n++)t(r[n],n,r)&&e.push(r[n]);return e}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/,splitPath=function(r){return splitPathRe.exec(r).slice(1)};exports.resolve=function(){for(var r="",t=!1,e=arguments.length-1;e>=-1&&!t;e--){var n=e>=0?arguments[e]:process.cwd();if("string"!=typeof n)throw new TypeError("Arguments to path.resolve must be strings");n&&(r=n+"/"+r,t="/"===n.charAt(0))}return r=normalizeArray(filter(r.split("/"),function(r){return!!r}),!t).join("/"),(t?"/":"")+r||"."},exports.normalize=function(r){var t=exports.isAbsolute(r),e="/"===substr(r,-1);return r=normalizeArray(filter(r.split("/"),function(r){return!!r}),!t).join("/"),r||t||(r="."),r&&e&&(r+="/"),(t?"/":"")+r},exports.isAbsolute=function(r){return"/"===r.charAt(0)},exports.join=function(){var r=Array.prototype.slice.call(arguments,0);return exports.normalize(filter(r,function(r,t){if("string"!=typeof r)throw new TypeError("Arguments to path.join must be strings");return r}).join("/"))},exports.relative=function(r,t){function e(r){for(var t=0;t<r.length&&""===r[t];t++);for(var e=r.length-1;e>=0&&""===r[e];e--);return t>e?[]:r.slice(t,e-t+1)}r=exports.resolve(r).substr(1),t=exports.resolve(t).substr(1);for(var n=e(r.split("/")),s=e(t.split("/")),i=Math.min(n.length,s.length),o=i,u=0;u<i;u++)if(n[u]!==s[u]){o=u;break}for(var l=[],u=o;u<n.length;u++)l.push("..");return l=l.concat(s.slice(o)),l.join("/")},exports.sep="/",exports.delimiter=":",exports.dirname=function(r){var t=splitPath(r),e=t[0],n=t[1];return e||n?(n&&(n=n.substr(0,n.length-1)),e+n):"."},exports.basename=function(r,t){var e=splitPath(r)[2];return t&&e.substr(-1*t.length)===t&&(e=e.substr(0,e.length-t.length)),e},exports.extname=function(r){return splitPath(r)[3]};var substr="b"==="ab".substr(-1)?function(r,t,e){return r.substr(t,e)}:function(r,t,e){return t<0&&(t=r.length+t),r.substr(t,e)}}).call(this,require("_process"))},{_process:27}],24:[function(require,module,exports){"use strict";function Buffer(t){var e;t&&t.length&&(e=t,t=e.length);var r=new Uint8Array(t||0);return e&&r.set(e),r.readUInt32LE=BufferMethods.readUInt32LE,r.writeUInt32LE=BufferMethods.writeUInt32LE,r.readInt32LE=BufferMethods.readInt32LE,r.writeInt32LE=BufferMethods.writeInt32LE,r.readFloatLE=BufferMethods.readFloatLE,r.writeFloatLE=BufferMethods.writeFloatLE,r.readDoubleLE=BufferMethods.readDoubleLE,r.writeDoubleLE=BufferMethods.writeDoubleLE,r.toString=BufferMethods.toString,r.write=BufferMethods.write,r.slice=BufferMethods.slice,r.copy=BufferMethods.copy,r._isBuffer=!0,r}function encodeString(t){for(var e,r,n=t.length,i=[],o=0;o<n;o++){if(e=t.charCodeAt(o),e>55295&&e<57344){if(!r){e>56319||o+1===n?i.push(239,191,189):r=e;continue}if(e<56320){i.push(239,191,189),r=e;continue}e=r-55296<<10|e-56320|65536,r=null}else r&&(i.push(239,191,189),r=null);e<128?i.push(e):e<2048?i.push(e>>6|192,63&e|128):e<65536?i.push(e>>12|224,e>>6&63|128,63&e|128):i.push(e>>18|240,e>>12&63|128,e>>6&63|128,63&e|128)}return i}module.exports=Buffer;var ieee754=require("ieee754"),BufferMethods,lastStr,lastStrEncoded;BufferMethods={readUInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+16777216*this[t+3]},writeUInt32LE:function(t,e){this[e]=t,this[e+1]=t>>>8,this[e+2]=t>>>16,this[e+3]=t>>>24},readInt32LE:function(t){return(this[t]|this[t+1]<<8|this[t+2]<<16)+(this[t+3]<<24)},readFloatLE:function(t){return ieee754.read(this,t,!0,23,4)},readDoubleLE:function(t){return ieee754.read(this,t,!0,52,8)},writeFloatLE:function(t,e){return ieee754.write(this,t,e,!0,23,4)},writeDoubleLE:function(t,e){return ieee754.write(this,t,e,!0,52,8)},toString:function(t,e,r){var n="",i="";e=e||0,r=Math.min(this.length,r||this.length);for(var o=e;o<r;o++){var u=this[o];u<=127?(n+=decodeURIComponent(i)+String.fromCharCode(u),i=""):i+="%"+u.toString(16)}return n+=decodeURIComponent(i)},write:function(t,e){for(var r=t===lastStr?lastStrEncoded:encodeString(t),n=0;n<r.length;n++)this[e+n]=r[n]},slice:function(t,e){
return this.subarray(t,e)},copy:function(t,e){e=e||0;for(var r=0;r<this.length;r++)t[e+r]=this[r]}},BufferMethods.writeInt32LE=BufferMethods.writeUInt32LE,Buffer.byteLength=function(t){return lastStr=t,lastStrEncoded=encodeString(t),lastStrEncoded.length},Buffer.isBuffer=function(t){return!(!t||!t._isBuffer)}},{ieee754:17}],25:[function(require,module,exports){(function(global){"use strict";function Pbf(t){this.buf=Buffer.isBuffer(t)?t:new Buffer(t||0),this.pos=0,this.length=this.buf.length}function readVarintRemainder(t,i){var e,r=i.buf;if(e=r[i.pos++],t+=268435456*(127&e),e<128)return t;if(e=r[i.pos++],t+=34359738368*(127&e),e<128)return t;if(e=r[i.pos++],t+=4398046511104*(127&e),e<128)return t;if(e=r[i.pos++],t+=562949953421312*(127&e),e<128)return t;if(e=r[i.pos++],t+=72057594037927940*(127&e),e<128)return t;if(e=r[i.pos++],t+=0x8000000000000000*(127&e),e<128)return t;throw new Error("Expected varint not more than 10 bytes")}function writeBigVarint(t,i){i.realloc(10);for(var e=i.pos+10;t>=1;){if(i.pos>=e)throw new Error("Given varint doesn't fit into 10 bytes");var r=255&t;i.buf[i.pos++]=r|(t>=128?128:0),t/=128}}function reallocForRawMessage(t,i,e){var r=i<=16383?1:i<=2097151?2:i<=268435455?3:Math.ceil(Math.log(i)/(7*Math.LN2));e.realloc(r);for(var s=e.pos-1;s>=t;s--)e.buf[s+r]=e.buf[s]}function writePackedVarint(t,i){for(var e=0;e<t.length;e++)i.writeVarint(t[e])}function writePackedSVarint(t,i){for(var e=0;e<t.length;e++)i.writeSVarint(t[e])}function writePackedFloat(t,i){for(var e=0;e<t.length;e++)i.writeFloat(t[e])}function writePackedDouble(t,i){for(var e=0;e<t.length;e++)i.writeDouble(t[e])}function writePackedBoolean(t,i){for(var e=0;e<t.length;e++)i.writeBoolean(t[e])}function writePackedFixed32(t,i){for(var e=0;e<t.length;e++)i.writeFixed32(t[e])}function writePackedSFixed32(t,i){for(var e=0;e<t.length;e++)i.writeSFixed32(t[e])}function writePackedFixed64(t,i){for(var e=0;e<t.length;e++)i.writeFixed64(t[e])}function writePackedSFixed64(t,i){for(var e=0;e<t.length;e++)i.writeSFixed64(t[e])}module.exports=Pbf;var Buffer=global.Buffer||require("./buffer");Pbf.Varint=0,Pbf.Fixed64=1,Pbf.Bytes=2,Pbf.Fixed32=5;var SHIFT_LEFT_32=4294967296,SHIFT_RIGHT_32=1/SHIFT_LEFT_32,POW_2_63=Math.pow(2,63);Pbf.prototype={destroy:function(){this.buf=null},readFields:function(t,i,e){for(e=e||this.length;this.pos<e;){var r=this.readVarint(),s=r>>3,n=this.pos;t(s,i,this),this.pos===n&&this.skip(r)}return i},readMessage:function(t,i){return this.readFields(t,i,this.readVarint()+this.pos)},readFixed32:function(){var t=this.buf.readUInt32LE(this.pos);return this.pos+=4,t},readSFixed32:function(){var t=this.buf.readInt32LE(this.pos);return this.pos+=4,t},readFixed64:function(){var t=this.buf.readUInt32LE(this.pos)+this.buf.readUInt32LE(this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readSFixed64:function(){var t=this.buf.readUInt32LE(this.pos)+this.buf.readInt32LE(this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readFloat:function(){var t=this.buf.readFloatLE(this.pos);return this.pos+=4,t},readDouble:function(){var t=this.buf.readDoubleLE(this.pos);return this.pos+=8,t},readVarint:function(){var t,i,e=this.buf;return i=e[this.pos++],t=127&i,i<128?t:(i=e[this.pos++],t|=(127&i)<<7,i<128?t:(i=e[this.pos++],t|=(127&i)<<14,i<128?t:(i=e[this.pos++],t|=(127&i)<<21,i<128?t:readVarintRemainder(t,this))))},readVarint64:function(){var t=this.pos,i=this.readVarint();if(i<POW_2_63)return i;for(var e=this.pos-2;255===this.buf[e];)e--;e<t&&(e=t),i=0;for(var r=0;r<e-t+1;r++){var s=127&~this.buf[t+r];i+=r<4?s<<7*r:s*Math.pow(2,7*r)}return-i-1},readSVarint:function(){var t=this.readVarint();return t%2===1?(t+1)/-2:t/2},readBoolean:function(){return Boolean(this.readVarint())},readString:function(){var t=this.readVarint()+this.pos,i=this.buf.toString("utf8",this.pos,t);return this.pos=t,i},readBytes:function(){var t=this.readVarint()+this.pos,i=this.buf.slice(this.pos,t);return 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cleanUpNextTick(){draining&&currentQueue&&(draining=!1,currentQueue.length?queue=currentQueue.concat(queue):queueIndex=-1,queue.length&&drainQueue())}function drainQueue(){if(!draining){var e=runTimeout(cleanUpNextTick);draining=!0;for(var t=queue.length;t;){for(currentQueue=queue,queue=[];++queueIndex<t;)currentQueue&&currentQueue[queueIndex].run();queueIndex=-1,t=queue.length}currentQueue=null,draining=!1,runClearTimeout(e)}}function Item(e,t){this.fun=e,this.array=t}function noop(){}var process=module.exports={},cachedSetTimeout,cachedClearTimeout;!function(){try{cachedSetTimeout="function"==typeof setTimeout?setTimeout:defaultSetTimout}catch(e){cachedSetTimeout=defaultSetTimout}try{cachedClearTimeout="function"==typeof clearTimeout?clearTimeout:defaultClearTimeout}catch(e){cachedClearTimeout=defaultClearTimeout}}();var queue=[],draining=!1,currentQueue,queueIndex=-1;process.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1)for(var 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f=o-r+1,e=t-r+1,l=Math.log(f),s=.5*Math.exp(2*l/3),i=.5*Math.sqrt(l*s*(f-s)/f)*(e-f/2<0?-1:1),n=Math.max(r,Math.floor(t-e*s/f+i)),h=Math.min(o,Math.floor(t+(f-e)*s/f+i));partialSort(a,t,n,h,p)}var u=a[t],M=r,w=o;for(swap(a,r,t),p(a[o],u)>0&&swap(a,r,o);M<w;){for(swap(a,M,w),M++,w--;p(a[M],u)<0;)M++;for(;p(a[w],u)>0;)w--}0===p(a[r],u)?swap(a,r,w):(w++,swap(a,w,o)),w<=t&&(r=w+1),t<=w&&(o=w-1)}}function swap(a,t,r){var o=a[t];a[t]=a[r],a[r]=o}function defaultCompare(a,t){return a<t?-1:a>t?1:0}module.exports=partialSort},{}],29:[function(require,module,exports){"use strict";function supercluster(t){return new SuperCluster(t)}function SuperCluster(t){this.options=extend(Object.create(this.options),t),this.trees=new Array(this.options.maxZoom+1)}function createCluster(t,e,o,n){return{x:t,y:e,zoom:1/0,id:n,numPoints:o}}function createPointCluster(t,e){var o=t.geometry.coordinates;return createCluster(lngX(o[0]),latY(o[1]),1,e)}function getClusterJSON(t){return{type:"Feature",properties:getClusterProperties(t),geometry:{type:"Point",coordinates:[xLng(t.x),yLat(t.y)]}}}function getClusterProperties(t){var e=t.numPoints,o=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return{cluster:!0,point_count:e,point_count_abbreviated:o}}function lngX(t){return t/360+.5}function latY(t){var e=Math.sin(t*Math.PI/180),o=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return o<0?0:o>1?1:o}function xLng(t){return 360*(t-.5)}function yLat(t){var e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function extend(t,e){for(var o in e)t[o]=e[o];return t}function getX(t){return t.x}function getY(t){return t.y}var kdbush=require("kdbush");module.exports=supercluster,SuperCluster.prototype={options:{minZoom:0,maxZoom:16,radius:40,extent:512,nodeSize:64,log:!1},load:function(t){var e=this.options.log;e&&console.time("total time");var o="prepare "+t.length+" points";e&&console.time(o),this.points=t;var n=t.map(createPointCluster);e&&console.timeEnd(o);for(var r=this.options.maxZoom;r>=this.options.minZoom;r--){var i=+Date.now();this.trees[r+1]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),n=this._cluster(n,r),e&&console.log("z%d: %d clusters in %dms",r,n.length,+Date.now()-i)}return this.trees[this.options.minZoom]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),e&&console.timeEnd("total time"),this},getClusters:function(t,e){for(var o=this.trees[this._limitZoom(e)],n=o.range(lngX(t[0]),latY(t[3]),lngX(t[2]),latY(t[1])),r=[],i=0;i<n.length;i++){var s=o.points[n[i]];r.push(s.id!==-1?this.points[s.id]:getClusterJSON(s))}return r},getTile:function(t,e,o){var n=this.trees[this._limitZoom(t)],r=Math.pow(2,t),i=this.options.extent,s=this.options.radius,u=s/i,a=(o-u)/r,h=(o+1+u)/r,l={features:[]};return this._addTileFeatures(n.range((e-u)/r,a,(e+1+u)/r,h),n.points,e,o,r,l),0===e&&this._addTileFeatures(n.range(1-u/r,a,1,h),n.points,r,o,r,l),e===r-1&&this._addTileFeatures(n.range(0,a,u/r,h),n.points,-1,o,r,l),l.features.length?l:null},_addTileFeatures:function(t,e,o,n,r,i){for(var s=0;s<t.length;s++){var u=e[t[s]];i.features.push({type:1,geometry:[[Math.round(this.options.extent*(u.x*r-o)),Math.round(this.options.extent*(u.y*r-n))]],tags:u.id!==-1?this.points[u.id].properties:getClusterProperties(u)})}},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var o=[],n=this.options.radius/(this.options.extent*Math.pow(2,e)),r=0;r<t.length;r++){var i=t[r];if(!(i.zoom<=e)){i.zoom=e;for(var s=this.trees[e+1],u=s.within(i.x,i.y,n),a=!1,h=i.numPoints,l=i.x*h,p=i.y*h,m=0;m<u.length;m++){var 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i=this.data,a=this.compare,n=this.length;;){var e=2*t+1,h=e+1,s=t;if(e<n&&a(i[e],i[s])<0&&(s=e),h<n&&a(i[h],i[s])<0&&(s=h),s===t)return;swap(i,s,t),t=s}}}},{}],31:[function(require,module,exports){"function"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t}},{}],32:[function(require,module,exports){module.exports=function(o){return o&&"object"==typeof o&&"function"==typeof o.copy&&"function"==typeof o.fill&&"function"==typeof o.readUInt8}},{}],33:[function(require,module,exports){(function(process,global){function inspect(e,r){var t={seen:[],stylize:stylizeNoColor};return 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e<10?"0"+e.toString(10):e.toString(10)}function timestamp(){var e=new Date,r=[pad(e.getHours()),pad(e.getMinutes()),pad(e.getSeconds())].join(":");return[e.getDate(),months[e.getMonth()],r].join(" ")}function hasOwnProperty(e,r){return Object.prototype.hasOwnProperty.call(e,r)}var formatRegExp=/%[sdj%]/g;exports.format=function(e){if(!isString(e)){for(var r=[],t=0;t<arguments.length;t++)r.push(inspect(arguments[t]));return r.join(" ")}for(var t=1,n=arguments,i=n.length,o=String(e).replace(formatRegExp,function(e){if("%%"===e)return"%";if(t>=i)return e;switch(e){case"%s":return String(n[t++]);case"%d":return Number(n[t++]);case"%j":try{return JSON.stringify(n[t++])}catch(e){return"[Circular]"}default:return e}}),s=n[t];t<i;s=n[++t])o+=isNull(s)||!isObject(s)?" "+s:" "+inspect(s);return o},exports.deprecate=function(e,r){function t(){if(!n){if(process.throwDeprecation)throw new Error(r);process.traceDeprecation?console.trace(r):console.error(r),n=!0}return e.apply(this,arguments)}if(isUndefined(global.process))return function(){return exports.deprecate(e,r).apply(this,arguments)};if(process.noDeprecation===!0)return e;var n=!1;return t};var debugs={},debugEnviron;exports.debuglog=function(e){if(isUndefined(debugEnviron)&&(debugEnviron=process.env.NODE_DEBUG||""),e=e.toUpperCase(),!debugs[e])if(new RegExp("\\b"+e+"\\b","i").test(debugEnviron)){var r=process.pid;debugs[e]=function(){var t=exports.format.apply(exports,arguments);console.error("%s %d: %s",e,r,t)}}else debugs[e]=function(){};return debugs[e]},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"},exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.isError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=require("./support/isBuffer");var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))},exports.inherits=require("inherits"),exports._extend=function(e,r){if(!r||!isObject(r))return e;for(var t=Object.keys(r),n=t.length;n--;)e[t[n]]=r[t[n]];return e}}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":32,_process:27,inherits:31}],34:[function(require,module,exports){module.exports.VectorTile=require("./lib/vectortile.js"),module.exports.VectorTileFeature=require("./lib/vectortilefeature.js"),module.exports.VectorTileLayer=require("./lib/vectortilelayer.js")},{"./lib/vectortile.js":35,"./lib/vectortilefeature.js":36,"./lib/vectortilelayer.js":37}],35:[function(require,module,exports){"use strict";function VectorTile(e,r){this.layers=e.readFields(readTile,{},r)}function readTile(e,r,i){if(3===e){var t=new VectorTileLayer(i,i.readVarint()+i.pos);t.length&&(r[t.name]=t)}}var VectorTileLayer=require("./vectortilelayer");module.exports=VectorTile},{"./vectortilelayer":37}],36:[function(require,module,exports){"use strict";function VectorTileFeature(e,t,r,i,a){this.properties={},this.extent=r,this.type=0,this._pbf=e,this._geometry=-1,this._keys=i,this._values=a,e.readFields(readFeature,this,t)}function readFeature(e,t,r){1==e?t.id=r.readVarint():2==e?readTag(r,t):3==e?t.type=r.readVarint():4==e&&(t._geometry=r.pos)}function readTag(e,t){for(var r=e.readVarint()+e.pos;e.pos<r;){var i=t._keys[e.readVarint()],a=t._values[e.readVarint()];t.properties[i]=a}}function classifyRings(e){var t=e.length;if(t<=1)return[e];for(var r,i,a=[],o=0;o<t;o++){var n=signedArea(e[o]);0!==n&&(void 0===i&&(i=n<0),i===n<0?(r&&a.push(r),r=[e[o]]):r.push(e[o]))}return r&&a.push(r),a}function signedArea(e){for(var t,r,i=0,a=0,o=e.length,n=o-1;a<o;n=a++)t=e[a],r=e[n],i+=(r.x-t.x)*(t.y+r.y);return i}var Point=require("point-geometry");module.exports=VectorTileFeature,VectorTileFeature.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature.prototype.loadGeometry=function(){var e=this._pbf;e.pos=this._geometry;for(var t,r=e.readVarint()+e.pos,i=1,a=0,o=0,n=0,s=[];e.pos<r;){if(!a){var p=e.readVarint();i=7&p,a=p>>3}if(a--,1===i||2===i)o+=e.readSVarint(),n+=e.readSVarint(),1===i&&(t&&s.push(t),t=[]),t.push(new Point(o,n));else{if(7!==i)throw new Error("unknown command "+i);t&&t.push(t[0].clone())}}return t&&s.push(t),s},VectorTileFeature.prototype.bbox=function(){var e=this._pbf;e.pos=this._geometry;for(var t=e.readVarint()+e.pos,r=1,i=0,a=0,o=0,n=1/0,s=-(1/0),p=1/0,h=-(1/0);e.pos<t;){if(!i){var u=e.readVarint();r=7&u,i=u>>3}if(i--,1===r||2===r)a+=e.readSVarint(),o+=e.readSVarint(),a<n&&(n=a),a>s&&(s=a),o<p&&(p=o),o>h&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[n,p,s,h]},VectorTileFeature.prototype.toGeoJSON=function(e,t,r){function i(e){for(var t=0;t<e.length;t++){var r=e[t],i=180-360*(r.y+p)/n;e[t]=[360*(r.x+s)/n-180,360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90]}}var a,o,n=this.extent*Math.pow(2,r),s=this.extent*e,p=this.extent*t,h=this.loadGeometry(),u=VectorTileFeature.types[this.type];switch(this.type){case 1:var d=[];for(a=0;a<h.length;a++)d[a]=h[a][0];h=d,i(h);break;case 2:for(a=0;a<h.length;a++)i(h[a]);break;case 3:for(h=classifyRings(h),a=0;a<h.length;a++)for(o=0;o<h[a].length;o++)i(h[a][o])}1===h.length?h=h[0]:u="Multi"+u;var f={type:"Feature",geometry:{type:u,coordinates:h},properties:this.properties};return"id"in this&&(f.id=this.id),f}},{"point-geometry":26}],37:[function(require,module,exports){"use strict";function VectorTileLayer(e,t){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=e,this._keys=[],this._values=[],this._features=[],e.readFields(readLayer,this,t),this.length=this._features.length}function readLayer(e,t,r){15===e?t.version=r.readVarint():1===e?t.name=r.readString():5===e?t.extent=r.readVarint():2===e?t._features.push(r.pos):3===e?t._keys.push(r.readString()):4===e&&t._values.push(readValueMessage(r))}function readValueMessage(e){for(var t=null,r=e.readVarint()+e.pos;e.pos<r;){var a=e.readVarint()>>3;t=1===a?e.readString():2===a?e.readFloat():3===a?e.readDouble():4===a?e.readVarint64():5===a?e.readVarint():6===a?e.readSVarint():7===a?e.readBoolean():null}return t}var VectorTileFeature=require("./vectortilefeature.js");module.exports=VectorTileLayer,VectorTileLayer.prototype.feature=function(e){if(e<0||e>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[e];var t=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature(this._pbf,t,this.extent,this._keys,this._values)}},{"./vectortilefeature.js":36}],38:[function(require,module,exports){function fromVectorTileJs(e){var r=[];for(var o in e.layers)r.push(prepareLayer(e.layers[o]));var t=new Pbf;return vtpb.tile.write({layers:r},t),t.finish()}function fromGeojsonVt(e){var r={};for(var o in e)r[o]=new GeoJSONWrapper(e[o].features),r[o].name=o;return fromVectorTileJs({layers:r})}function prepareLayer(e){for(var r={name:e.name||"",version:e.version||1,extent:e.extent||4096,keys:[],values:[],features:[]},o={},t={},n=0;n<e.length;n++){var a=e.feature(n);a.geometry=encodeGeometry(a.loadGeometry());var u=[];for(var s in a.properties){var i=o[s];"undefined"==typeof i&&(r.keys.push(s),i=r.keys.length-1,o[s]=i);var p=wrapValue(a.properties[s]),l=t[p.key];"undefined"==typeof l&&(r.values.push(p),l=r.values.length-1,t[p.key]=l),u.push(i),u.push(l)}a.tags=u,r.features.push(a)}return r}function command(e,r){return(r<<3)+(7&e)}function zigzag(e){return e<<1^e>>31}function encodeGeometry(e){for(var r=[],o=0,t=0,n=e.length,a=0;a<n;a++){var u=e[a];r.push(command(1,1));for(var s=0;s<u.length;s++){1===s&&r.push(command(2,u.length-1));var i=u[s].x-o,p=u[s].y-t;r.push(zigzag(i),zigzag(p)),o+=i,t+=p}}return r}function wrapValue(e){var r,o=typeof e;return"string"===o?r={string_value:e}:"boolean"===o?r={bool_value:e}:"number"===o?r=e%1!==0?{double_value:e}:e<0?{sint_value:e}:{uint_value:e}:(e=JSON.stringify(e),r={string_value:e}),r.key=o+":"+e,r}
var Pbf=require("pbf"),vtpb=require("./vector-tile-pb"),GeoJSONWrapper=require("./lib/geojson_wrapper");module.exports=fromVectorTileJs,module.exports.fromVectorTileJs=fromVectorTileJs,module.exports.fromGeojsonVt=fromGeojsonVt,module.exports.GeoJSONWrapper=GeoJSONWrapper},{"./lib/geojson_wrapper":39,"./vector-tile-pb":40,pbf:25}],39:[function(require,module,exports){"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length}function FeatureWrapper(e){this.id="number"==typeof e.id?e.id:void 0,this.type=e.type,this.rawGeometry=1===e.type?[e.geometry]:e.geometry,this.properties=e.tags,this.extent=4096}var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],n=0;n<p.length;n++){var h=p[n];t=Math.min(t,h.x),r=Math.max(r,h.x),o=Math.min(o,h.y),a=Math.max(a,h.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON},{"point-geometry":26,"vector-tile":34}],40:[function(require,module,exports){"use strict";function readTile(e,r){return e.readFields(readTileField,{layers:[]},r)}function readTileField(e,r,i){3===e&&r.layers.push(readLayer(i,i.readVarint()+i.pos))}function writeTile(e,r){var i;if(void 0!==e.layers)for(i=0;i<e.layers.length;i++)r.writeMessage(3,writeLayer,e.layers[i])}function readValue(e,r){return e.readFields(readValueField,{},r)}function readValueField(e,r,i){1===e?r.string_value=i.readString():2===e?r.float_value=i.readFloat():3===e?r.double_value=i.readDouble():4===e?r.int_value=i.readVarint():5===e?r.uint_value=i.readVarint():6===e?r.sint_value=i.readSVarint():7===e&&(r.bool_value=i.readBoolean())}function writeValue(e,r){void 0!==e.string_value&&r.writeStringField(1,e.string_value),void 0!==e.float_value&&r.writeFloatField(2,e.float_value),void 0!==e.double_value&&r.writeDoubleField(3,e.double_value),void 0!==e.int_value&&r.writeVarintField(4,e.int_value),void 0!==e.uint_value&&r.writeVarintField(5,e.uint_value),void 0!==e.sint_value&&r.writeSVarintField(6,e.sint_value),void 0!==e.bool_value&&r.writeBooleanField(7,e.bool_value)}function readFeature(e,r){var i=e.readFields(readFeatureField,{},r);return void 0===i.type&&(i.type="Unknown"),i}function readFeatureField(e,r,i){1===e?r.id=i.readVarint():2===e?r.tags=i.readPackedVarint():3===e?r.type=i.readVarint():4===e&&(r.geometry=i.readPackedVarint())}function writeFeature(e,r){void 0!==e.id&&r.writeVarintField(1,e.id),void 0!==e.tags&&r.writePackedVarint(2,e.tags),void 0!==e.type&&r.writeVarintField(3,e.type),void 0!==e.geometry&&r.writePackedVarint(4,e.geometry)}function readLayer(e,r){return e.readFields(readLayerField,{features:[],keys:[],values:[]},r)}function readLayerField(e,r,i){15===e?r.version=i.readVarint():1===e?r.name=i.readString():2===e?r.features.push(readFeature(i,i.readVarint()+i.pos)):3===e?r.keys.push(i.readString()):4===e?r.values.push(readValue(i,i.readVarint()+i.pos)):5===e&&(r.extent=i.readVarint())}function writeLayer(e,r){void 0!==e.version&&r.writeVarintField(15,e.version),void 0!==e.name&&r.writeStringField(1,e.name);var i;if(void 0!==e.features)for(i=0;i<e.features.length;i++)r.writeMessage(2,writeFeature,e.features[i]);if(void 0!==e.keys)for(i=0;i<e.keys.length;i++)r.writeStringField(3,e.keys[i]);if(void 0!==e.values)for(i=0;i<e.values.length;i++)r.writeMessage(4,writeValue,e.values[i]);void 0!==e.extent&&r.writeVarintField(5,e.extent)}var tile=exports.tile={read:readTile,write:writeTile};tile.GeomType={Unknown:0,Point:1,LineString:2,Polygon:3},tile.value={read:readValue,write:writeValue},tile.feature={read:readFeature,write:writeFeature},tile.layer={read:readLayer,write:writeLayer}},{}],41:[function(require,module,exports){var bundleFn=arguments[3],sources=arguments[4],cache=arguments[5],stringify=JSON.stringify;module.exports=function(r,e){function t(r){d[r]=!0;for(var e in sources[r][1]){var n=sources[r][1][e];d[n]||t(n)}}for(var n,o=Object.keys(cache),a=0,i=o.length;a<i;a++){var s=o[a],u=cache[s].exports;if(u===r||u&&u.default===r){n=s;break}}if(!n){n=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var f={},a=0,i=o.length;a<i;a++){var s=o[a];f[s]=s}sources[n]=[Function(["require","module","exports"],"("+r+")(self)"),f]}var c=Math.floor(Math.pow(16,8)*Math.random()).toString(16),l={};l[n]=n,sources[c]=[Function(["require"],"var f = require("+stringify(n)+");(f.default ? f.default : f)(self);"),l];var d={};t(c);var g="("+bundleFn+")({"+Object.keys(d).map(function(r){return stringify(r)+":["+sources[r][0]+","+stringify(sources[r][1])+"]"}).join(",")+"},{},["+stringify(c)+"])",v=window.URL||window.webkitURL||window.mozURL||window.msURL,w=new Blob([g],{type:"text/javascript"});if(e&&e.bare)return w;var h=v.createObjectURL(w),b=new Worker(h);return b.objectURL=h,b}},{}],42:[function(require,module,exports){module.exports.RADIUS=6378137,module.exports.FLATTENING=1/298.257223563,module.exports.POLAR_RADIUS=6356752.3142},{}],43:[function(require,module,exports){module.exports={version:"0.34.0"}},{}],44:[function(require,module,exports){"use strict";function serializePaintVertexArrays(r,e){var t={};for(var a in r){var i=r[a].paintVertexArray;if(0!==i.length){var n=i.serialize(e),s=i.constructor.serialize();t[a]={array:n,type:s}}}return t}var ProgramConfiguration=require("./program_configuration"),Segment=function(r,e){this.vertexOffset=r,this.primitiveOffset=e,this.vertexLength=0,this.primitiveLength=0},ArrayGroup=function(r,e,t){var a=this;this.globalProperties={zoom:t};var i=r.layoutVertexArrayType;this.layoutVertexArray=new i;var n=r.elementArrayType;n&&(this.elementArray=new n);var s=r.elementArrayType2;s&&(this.elementArray2=new s),this.layerData={};for(var y=0,o=e;y<o.length;y+=1){var p=o[y],l=ProgramConfiguration.createDynamic(r.paintAttributes||[],p,t);a.layerData[p.id]={layer:p,programConfiguration:l,paintVertexArray:new l.PaintVertexArray,paintPropertyStatistics:l.createPaintPropertyStatistics()}}this.segments=[],this.segments2=[]};ArrayGroup.prototype.prepareSegment=function(r){var e=this.segments[this.segments.length-1];return(!e||e.vertexLength+r>ArrayGroup.MAX_VERTEX_ARRAY_LENGTH)&&(e=new Segment(this.layoutVertexArray.length,this.elementArray.length),this.segments.push(e)),e},ArrayGroup.prototype.prepareSegment2=function(r){var e=this.segments2[this.segments2.length-1];return(!e||e.vertexLength+r>ArrayGroup.MAX_VERTEX_ARRAY_LENGTH)&&(e=new Segment(this.layoutVertexArray.length,this.elementArray2.length),this.segments2.push(e)),e},ArrayGroup.prototype.populatePaintArrays=function(r){var e=this;for(var t in e.layerData){var a=e.layerData[t];0!==a.paintVertexArray.bytesPerElement&&a.programConfiguration.populatePaintArray(a.layer,a.paintVertexArray,a.paintPropertyStatistics,e.layoutVertexArray.length,e.globalProperties,r)}},ArrayGroup.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},ArrayGroup.prototype.serialize=function(r){return{layoutVertexArray:this.layoutVertexArray.serialize(r),elementArray:this.elementArray&&this.elementArray.serialize(r),elementArray2:this.elementArray2&&this.elementArray2.serialize(r),paintVertexArrays:serializePaintVertexArrays(this.layerData,r),segments:this.segments,segments2:this.segments2}},ArrayGroup.MAX_VERTEX_ARRAY_LENGTH=Math.pow(2,16)-1,module.exports=ArrayGroup},{"./program_configuration":58}],45:[function(require,module,exports){"use strict";var ArrayGroup=require("./array_group"),BufferGroup=require("./buffer_group"),util=require("../util/util"),Bucket=function(r,t){this.zoom=r.zoom,this.overscaling=r.overscaling,this.layers=r.layers,this.index=r.index,r.arrays?this.buffers=new BufferGroup(t,r.layers,r.zoom,r.arrays):this.arrays=new ArrayGroup(t,r.layers,r.zoom)};Bucket.prototype.populate=function(r,t){for(var e=this,i=0,a=r;i<a.length;i+=1){var u=a[i];e.layers[0].filter(u)&&(e.addFeature(u),t.featureIndex.insert(u,e.index))}},Bucket.prototype.getPaintPropertyStatistics=function(){return util.mapObject(this.arrays.layerData,function(r){return r.paintPropertyStatistics})},Bucket.prototype.isEmpty=function(){return this.arrays.isEmpty()},Bucket.prototype.serialize=function(r){return{zoom:this.zoom,layerIds:this.layers.map(function(r){return r.id}),arrays:this.arrays.serialize(r)}},Bucket.prototype.destroy=function(){this.buffers&&(this.buffers.destroy(),this.buffers=null)},module.exports=Bucket,Bucket.deserialize=function(r,t){if(t){for(var e={},i=0,a=r;i<a.length;i+=1){var u=a[i],o=u.layerIds.map(function(r){return t.getLayer(r)}).filter(Boolean);if(0!==o.length)for(var s=o[0].createBucket(util.extend({layers:o},u)),n=0,f=o;n<f.length;n+=1){var y=f[n];e[y.id]=s}}return e}}},{"../util/util":212,"./array_group":44,"./buffer_group":52}],46:[function(require,module,exports){"use strict";function addCircleVertex(e,r,t,a,c){e.emplaceBack(2*r+(a+1)/2,2*t+(c+1)/2)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),circleInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:createElementArrayType(),paintAttributes:[{property:"circle-color",type:"Uint8"},{property:"circle-radius",type:"Uint16",multiplier:10},{property:"circle-blur",type:"Uint16",multiplier:10},{property:"circle-opacity",type:"Uint8",multiplier:255},{property:"circle-stroke-color",type:"Uint8"},{property:"circle-stroke-width",type:"Uint16",multiplier:10},{property:"circle-stroke-opacity",type:"Uint8",multiplier:255}]},CircleBucket=function(e){function r(r){e.call(this,r,circleInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=loadGeometry(e);t<a.length;t+=1)for(var c=a[t],p=0,i=c;p<i.length;p+=1){var l=i[p],y=l.x,o=l.y;if(!(y<0||y>=EXTENT||o<0||o>=EXTENT)){var n=r.prepareSegment(4),u=n.vertexLength;addCircleVertex(r.layoutVertexArray,y,o,-1,-1),addCircleVertex(r.layoutVertexArray,y,o,1,-1),addCircleVertex(r.layoutVertexArray,y,o,1,1),addCircleVertex(r.layoutVertexArray,y,o,-1,1),r.elementArray.emplaceBack(u,u+1,u+2),r.elementArray.emplaceBack(u,u+3,u+2),n.vertexLength+=4,n.primitiveLength+=2}}r.populatePaintArrays(e.properties)},r}(Bucket);CircleBucket.programInterface=circleInterface,module.exports=CircleBucket},{"../bucket":45,"../element_array_type":53,"../extent":54,"../load_geometry":56,"../vertex_array_type":60}],47:[function(require,module,exports){"use strict";var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),EARCUT_MAX_RINGS=500,fillInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:createElementArrayType(3),elementArrayType2:createElementArrayType(2),paintAttributes:[{property:"fill-color",type:"Uint8"},{property:"fill-outline-color",type:"Uint8"},{property:"fill-opacity",type:"Uint8",multiplier:255}]},FillBucket=function(e){function r(r){e.call(this,r,fillInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=classifyRings(loadGeometry(e),EARCUT_MAX_RINGS);t<a.length;t+=1){for(var l=a[t],p=0,n=0,y=l;n<y.length;n+=1){var i=y[n];p+=i.length}for(var o=r.prepareSegment(p),c=o.vertexLength,u=[],g=[],h=0,m=l;h<m.length;h+=1){var s=m[h];if(0!==s.length){s!==l[0]&&g.push(u.length/2);var f=r.prepareSegment2(s.length),A=f.vertexLength;r.layoutVertexArray.emplaceBack(s[0].x,s[0].y),r.elementArray2.emplaceBack(A+s.length-1,A),u.push(s[0].x),u.push(s[0].y);for(var v=1;v<s.length;v++)r.layoutVertexArray.emplaceBack(s[v].x,s[v].y),r.elementArray2.emplaceBack(A+v-1,A+v),u.push(s[v].x),u.push(s[v].y);f.vertexLength+=s.length,f.primitiveLength+=s.length}}for(var x=earcut(u,g),_=0;_<x.length;_+=3)r.elementArray.emplaceBack(c+x[_],c+x[_+1],c+x[_+2]);o.vertexLength+=p,o.primitiveLength+=x.length/3}r.populatePaintArrays(e.properties)},r}(Bucket);FillBucket.programInterface=fillInterface,module.exports=FillBucket},{"../../util/classify_rings":195,"../bucket":45,"../element_array_type":53,"../load_geometry":56,"../vertex_array_type":60,earcut:5}],48:[function(require,module,exports){"use strict";function addVertex(e,r,t,a,n,o,y,i){e.emplaceBack(r,t,2*Math.floor(a*FACTOR)+y,n*FACTOR*2,o*FACTOR*2,Math.round(i))}function isBoundaryEdge(e,r){return e.x===r.x&&(e.x<0||e.x>EXTENT)||e.y===r.y&&(e.y<0||e.y>EXTENT)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),EARCUT_MAX_RINGS=500,fillExtrusionInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_normal",components:3,type:"Int16"},{name:"a_edgedistance",components:1,type:"Int16"}]),elementArrayType:createElementArrayType(3),paintAttributes:[{property:"fill-extrusion-base",type:"Uint16"},{property:"fill-extrusion-height",type:"Uint16"},{property:"fill-extrusion-color",type:"Uint8"}]},FACTOR=Math.pow(2,13),FillExtrusionBucket=function(e){function r(r){e.call(this,r,fillExtrusionInterface)}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.addFeature=function(e){for(var r=this.arrays,t=0,a=classifyRings(loadGeometry(e),EARCUT_MAX_RINGS);t<a.length;t+=1){for(var n=a[t],o=0,y=0,i=n;y<i.length;y+=1){var l=i[y];o+=l.length}for(var p=r.prepareSegment(5*o),u=[],c=[],x=[],s=0,f=n;s<f.length;s+=1){var d=f[s];if(0!==d.length){d!==n[0]&&c.push(u.length/2);for(var m=0,h=0;h<d.length;h++){var g=d[h];if(addVertex(r.layoutVertexArray,g.x,g.y,0,0,1,1,0),x.push(p.vertexLength++),h>=1){var A=d[h-1];if(!isBoundaryEdge(g,A)){var _=g.sub(A)._perp()._unit();addVertex(r.layoutVertexArray,g.x,g.y,_.x,_.y,0,0,m),addVertex(r.layoutVertexArray,g.x,g.y,_.x,_.y,0,1,m),m+=A.dist(g),addVertex(r.layoutVertexArray,A.x,A.y,_.x,_.y,0,0,m),addVertex(r.layoutVertexArray,A.x,A.y,_.x,_.y,0,1,m);var v=p.vertexLength;r.elementArray.emplaceBack(v,v+1,v+2),r.elementArray.emplaceBack(v+1,v+2,v+3),p.vertexLength+=4,p.primitiveLength+=2}}u.push(g.x),u.push(g.y)}}}for(var E=earcut(u,c),T=0;T<E.length;T+=3)r.elementArray.emplaceBack(x[E[T]],x[E[T+1]],x[E[T+2]]);p.primitiveLength+=E.length/3}r.populatePaintArrays(e.properties)},r}(Bucket);FillExtrusionBucket.programInterface=fillExtrusionInterface,module.exports=FillExtrusionBucket},{"../../util/classify_rings":195,"../bucket":45,"../element_array_type":53,"../extent":54,"../load_geometry":56,"../vertex_array_type":60,earcut:5}],49:[function(require,module,exports){"use strict";function addLineVertex(e,t,r,i,a,n,d){e.emplaceBack(t.x<<1|i,t.y<<1|a,Math.round(EXTRUDE_SCALE*r.x)+128,Math.round(EXTRUDE_SCALE*r.y)+128,(0===n?0:n<0?-1:1)+1|(d*LINE_DISTANCE_SCALE&63)<<2,d*LINE_DISTANCE_SCALE>>6)}var Bucket=require("../bucket"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),loadGeometry=require("../load_geometry"),EXTENT=require("../extent"),VectorTileFeature=require("vector-tile").VectorTileFeature,EXTRUDE_SCALE=63,COS_HALF_SHARP_CORNER=Math.cos(37.5*(Math.PI/180)),SHARP_CORNER_OFFSET=15,LINE_DISTANCE_BUFFER_BITS=15,LINE_DISTANCE_SCALE=.5,MAX_LINE_DISTANCE=Math.pow(2,LINE_DISTANCE_BUFFER_BITS-1)/LINE_DISTANCE_SCALE,lineInterface={layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}]),paintAttributes:[{property:"line-color",type:"Uint8"},{property:"line-blur",multiplier:10,type:"Uint8"},{property:"line-opacity",multiplier:10,type:"Uint8"},{property:"line-gap-width",multiplier:10,type:"Uint8",name:"a_gapwidth"},{property:"line-offset",multiplier:1,type:"Int8"}],elementArrayType:createElementArrayType()},LineBucket=function(e){function t(t){e.call(this,t,lineInterface)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.addFeature=function(e){for(var t=this,r=this.layers[0].layout,i=r["line-join"],a=r["line-cap"],n=r["line-miter-limit"],d=r["line-round-limit"],s=0,u=loadGeometry(e,LINE_DISTANCE_BUFFER_BITS);s<u.length;s+=1){var l=u[s];t.addLine(l,e,i,a,n,d)}},t.prototype.addLine=function(e,t,r,i,a,n){for(var d=this,s=t.properties,u="Polygon"===VectorTileFeature.types[t.type],l=e.length;l>=2&&e[l-1].equals(e[l-2]);)l--;if(!(l<(u?3:2))){"bevel"===r&&(a=1.05);var o=SHARP_CORNER_OFFSET*(EXTENT/(512*this.overscaling)),p=e[0],c=this.arrays,_=c.prepareSegment(10*l);this.distance=0;var y,h,m,E,x,C,v,A=i,f=u?"butt":i,L=!0;this.e1=this.e2=this.e3=-1,u&&(y=e[l-2],x=p.sub(y)._unit()._perp());for(var V=0;V<l;V++)if(m=u&&V===l-1?e[1]:e[V+1],!m||!e[V].equals(m)){x&&(E=x),y&&(h=y),y=e[V],x=m?m.sub(y)._unit()._perp():E,E=E||x;var S=E.add(x);0===S.x&&0===S.y||S._unit();var T=S.x*x.x+S.y*x.y,I=0!==T?1/T:1/0,N=T<COS_HALF_SHARP_CORNER&&h&&m;if(N&&V>0){var b=y.dist(h);if(b>2*o){var R=y.sub(y.sub(h)._mult(o/b)._round());d.distance+=R.dist(h),d.addCurrentVertex(R,d.distance,E.mult(1),0,0,!1,_),h=R}}var g=h&&m,F=g?r:m?A:f;if(g&&"round"===F&&(I<n?F="miter":I<=2&&(F="fakeround")),"miter"===F&&I>a&&(F="bevel"),"bevel"===F&&(I>2&&(F="flipbevel"),I<a&&(F="miter")),h&&(d.distance+=y.dist(h)),"miter"===F)S._mult(I),d.addCurrentVertex(y,d.distance,S,0,0,!1,_);else if("flipbevel"===F){if(I>100)S=x.clone().mult(-1);else{var B=E.x*x.y-E.y*x.x>0?-1:1,k=I*E.add(x).mag()/E.sub(x).mag();S._perp()._mult(k*B)}d.addCurrentVertex(y,d.distance,S,0,0,!1,_),d.addCurrentVertex(y,d.distance,S.mult(-1),0,0,!1,_)}else if("bevel"===F||"fakeround"===F){var D=E.x*x.y-E.y*x.x>0,P=-Math.sqrt(I*I-1);if(D?(v=0,C=P):(C=0,v=P),L||d.addCurrentVertex(y,d.distance,E,C,v,!1,_),"fakeround"===F){for(var U=Math.floor(8*(.5-(T-.5))),q=void 0,M=0;M<U;M++)q=x.mult((M+1)/(U+1))._add(E)._unit(),d.addPieSliceVertex(y,d.distance,q,D,_);d.addPieSliceVertex(y,d.distance,S,D,_);for(var O=U-1;O>=0;O--)q=E.mult((O+1)/(U+1))._add(x)._unit(),d.addPieSliceVertex(y,d.distance,q,D,_)}m&&d.addCurrentVertex(y,d.distance,x,-C,-v,!1,_)}else"butt"===F?(L||d.addCurrentVertex(y,d.distance,E,0,0,!1,_),m&&d.addCurrentVertex(y,d.distance,x,0,0,!1,_)):"square"===F?(L||(d.addCurrentVertex(y,d.distance,E,1,1,!1,_),d.e1=d.e2=-1),m&&d.addCurrentVertex(y,d.distance,x,-1,-1,!1,_)):"round"===F&&(L||(d.addCurrentVertex(y,d.distance,E,0,0,!1,_),d.addCurrentVertex(y,d.distance,E,1,1,!0,_),d.e1=d.e2=-1),m&&(d.addCurrentVertex(y,d.distance,x,-1,-1,!0,_),d.addCurrentVertex(y,d.distance,x,0,0,!1,_)));if(N&&V<l-1){var X=y.dist(m);if(X>2*o){var H=y.add(m.sub(y)._mult(o/X)._round());d.distance+=H.dist(y),d.addCurrentVertex(H,d.distance,x.mult(1),0,0,!1,_),y=H}}L=!1}c.populatePaintArrays(s)}},t.prototype.addCurrentVertex=function(e,t,r,i,a,n,d){var s,u=n?1:0,l=this.arrays,o=l.layoutVertexArray,p=l.elementArray;s=r.clone(),i&&s._sub(r.perp()._mult(i)),addLineVertex(o,e,s,u,0,i,t),this.e3=d.vertexLength++,this.e1>=0&&this.e2>=0&&(p.emplaceBack(this.e1,this.e2,this.e3),d.primitiveLength++),this.e1=this.e2,this.e2=this.e3,s=r.mult(-1),a&&s._sub(r.perp()._mult(a)),addLineVertex(o,e,s,u,1,-a,t),this.e3=d.vertexLength++,this.e1>=0&&this.e2>=0&&(p.emplaceBack(this.e1,this.e2,this.e3),d.primitiveLength++),this.e1=this.e2,this.e2=this.e3,t>MAX_LINE_DISTANCE/2&&(this.distance=0,this.addCurrentVertex(e,this.distance,r,i,a,n,d))},t.prototype.addPieSliceVertex=function(e,t,r,i,a){var n=i?1:0;r=r.mult(i?-1:1);var d=this.arrays,s=d.layoutVertexArray,u=d.elementArray;addLineVertex(s,e,r,0,n,0,t),this.e3=a.vertexLength++,this.e1>=0&&this.e2>=0&&(u.emplaceBack(this.e1,this.e2,this.e3),a.primitiveLength++),i?this.e2=this.e3:this.e1=this.e3},t}(Bucket);LineBucket.programInterface=lineInterface,module.exports=LineBucket},{"../bucket":45,"../element_array_type":53,"../extent":54,"../load_geometry":56,"../vertex_array_type":60,"vector-tile":34}],50:[function(require,module,exports){"use strict";function addVertex(e,t,o,r,a,i,n,l,s,c,y){e.emplaceBack(t,o,Math.round(64*r),Math.round(64*a),i/4,n/4,10*(c||0),y,10*(l||0),10*Math.min(s||25,25))}function addCollisionBoxVertex(e,t,o,r,a){return e.emplaceBack(t.x,t.y,Math.round(o.x),Math.round(o.y),10*r,10*a)}var Point=require("point-geometry"),ArrayGroup=require("../array_group"),BufferGroup=require("../buffer_group"),createVertexArrayType=require("../vertex_array_type"),createElementArrayType=require("../element_array_type"),EXTENT=require("../extent"),Anchor=require("../../symbol/anchor"),getAnchors=require("../../symbol/get_anchors"),resolveTokens=require("../../util/token"),Quads=require("../../symbol/quads"),Shaping=require("../../symbol/shaping"),resolveText=require("../../symbol/resolve_text"),mergeLines=require("../../symbol/mergelines"),clipLine=require("../../symbol/clip_line"),util=require("../../util/util"),scriptDetection=require("../../util/script_detection"),loadGeometry=require("../load_geometry"),CollisionFeature=require("../../symbol/collision_feature"),findPoleOfInaccessibility=require("../../util/find_pole_of_inaccessibility"),classifyRings=require("../../util/classify_rings"),VectorTileFeature=require("vector-tile").VectorTileFeature,rtlTextPlugin=require("../../source/rtl_text_plugin"),shapeText=Shaping.shapeText,shapeIcon=Shaping.shapeIcon,WritingMode=Shaping.WritingMode,getGlyphQuads=Quads.getGlyphQuads,getIconQuads=Quads.getIconQuads,elementArrayType=createElementArrayType(),layoutVertexArrayType=createVertexArrayType([{name:"a_pos_offset",components:4,type:"Int16"},{name:"a_texture_pos",components:2,type:"Uint16"},{name:"a_data",components:4,type:"Uint8"}]),symbolInterfaces={glyph:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType,paintAttributes:[{name:"a_fill_color",property:"text-color",type:"Uint8"},{name:"a_halo_color",property:"text-halo-color",type:"Uint8"},{name:"a_halo_width",property:"text-halo-width",type:"Uint16",multiplier:10},{name:"a_halo_blur",property:"text-halo-blur",type:"Uint16",multiplier:10},{name:"a_opacity",property:"text-opacity",type:"Uint8",multiplier:255}]},icon:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType,paintAttributes:[{name:"a_fill_color",property:"icon-color",type:"Uint8"},{name:"a_halo_color",property:"icon-halo-color",type:"Uint8"},{name:"a_halo_width",property:"icon-halo-width",type:"Uint16",multiplier:10},{name:"a_halo_blur",property:"icon-halo-blur",type:"Uint16",multiplier:10},{name:"a_opacity",property:"icon-opacity",type:"Uint8",multiplier:255}]},collisionBox:{layoutVertexArrayType:createVertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}]),elementArrayType:createElementArrayType(2)}},SymbolBucket=function(e){var t=this;if(this.collisionBoxArray=e.collisionBoxArray,this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.sdfIcons=e.sdfIcons,this.iconsNeedLinear=e.iconsNeedLinear,this.adjustedTextSize=e.adjustedTextSize,this.adjustedIconSize=e.adjustedIconSize,this.fontstack=e.fontstack,e.arrays){this.buffers={};for(var o in e.arrays)e.arrays[o]&&(t.buffers[o]=new BufferGroup(symbolInterfaces[o],e.layers,e.zoom,e.arrays[o]))}};SymbolBucket.prototype.populate=function(e,t){var o=this,r=this.layers[0],a=r.layout,i=a["text-font"],n=a["icon-image"],l=i&&(!r.isLayoutValueFeatureConstant("text-field")||a["text-field"]),s=n;if(this.features=[],l||s){for(var c=t.iconDependencies,y=t.glyphDependencies,p=y[i]=y[i]||{},x=0;x<e.length;x++){var h=e[x];if(r.filter(h)){var u=void 0;l&&(u=resolveText(r,{zoom:o.zoom},h.properties),rtlTextPlugin.applyArabicShaping&&(u=rtlTextPlugin.applyArabicShaping(u)));var d=void 0;if(s&&(d=resolveTokens(h.properties,n)),(u||d)&&(o.features.push({text:u,icon:d,index:x,sourceLayerIndex:h.sourceLayerIndex,geometry:loadGeometry(h),properties:h.properties,type:VectorTileFeature.types[h.type]}),d&&(c[d]=!0),u))for(var m=0;m<u.length;m++)p[u.charCodeAt(m)]=!0}}"line"===a["symbol-placement"]&&(this.features=mergeLines(this.features))}},SymbolBucket.prototype.isEmpty=function(){return this.arrays.icon.isEmpty()&&this.arrays.glyph.isEmpty()&&this.arrays.collisionBox.isEmpty()},SymbolBucket.prototype.getPaintPropertyStatistics=function(){for(var e=this,t={},o=0,r=e.layers;o<r.length;o+=1){var a=r[o];t[a.id]=util.extend({},e.arrays.icon.layerData[a.id].paintPropertyStatistics,e.arrays.glyph.layerData[a.id].paintPropertyStatistics)}return t},SymbolBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),sdfIcons:this.sdfIcons,iconsNeedLinear:this.iconsNeedLinear,adjustedTextSize:this.adjustedTextSize,adjustedIconSize:this.adjustedIconSize,fontstack:this.fontstack,arrays:util.mapObject(this.arrays,function(t){return t.isEmpty()?null:t.serialize(e)})}},SymbolBucket.prototype.destroy=function(){this.buffers&&(this.buffers.icon&&this.buffers.icon.destroy(),this.buffers.glyph&&this.buffers.glyph.destroy(),this.buffers.collisionBox&&this.buffers.collisionBox.destroy(),this.buffers=null)},SymbolBucket.prototype.createArrays=function(){var e=this;this.arrays=util.mapObject(symbolInterfaces,function(t){return new ArrayGroup(t,e.layers,e.zoom)})},SymbolBucket.prototype.prepare=function(e,t){var o=this;this.symbolInstances=[],this.adjustedTextMaxSize=this.layers[0].getLayoutValue("text-size",{zoom:18}),this.adjustedTextSize=this.layers[0].getLayoutValue("text-size",{zoom:this.zoom+1}),this.adjustedIconMaxSize=this.layers[0].getLayoutValue("icon-size",{zoom:18}),this.adjustedIconSize=this.layers[0].getLayoutValue("icon-size",{zoom:this.zoom+1});var r=512*this.overscaling;this.tilePixelRatio=EXTENT/r,this.compareText={},this.iconsNeedLinear=!1;var a=this.layers[0].layout,i=.5,n=.5;switch(a["text-anchor"]){case"right":case"top-right":case"bottom-right":i=1;break;case"left":case"top-left":case"bottom-left":i=0}switch(a["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":n=1;break;case"top":case"top-right":case"top-left":n=0}for(var l="right"===a["text-justify"]?1:"left"===a["text-justify"]?0:.5,s=24,c=a["text-line-height"]*s,y="line"!==a["symbol-placement"]?a["text-max-width"]*s:0,p=a["text-letter-spacing"]*s,x=[a["text-offset"][0]*s,a["text-offset"][1]*s],h=this.fontstack=a["text-font"].join(","),u="map"===a["text-rotation-alignment"]&&"line"===a["symbol-placement"],d=0,m=o.features;d<m.length;d+=1){var g=m[d],f=void 0;if(g.text){var b=scriptDetection.allowsVerticalWritingMode(g.text);f={},f[WritingMode.horizontal]=shapeText(g.text,e[h],y,c,i,n,l,p,x,s,WritingMode.horizontal),f[WritingMode.vertical]=b&&u&&shapeText(g.text,e[h],y,c,i,n,l,p,x,s,WritingMode.vertical)}else f={};var v=void 0;if(g.icon){var I=t[g.icon],S=o.layers[0].getLayoutValue("icon-offset",{zoom:o.zoom},g.properties);v=shapeIcon(I,S),I&&(void 0===o.sdfIcons?o.sdfIcons=I.sdf:o.sdfIcons!==I.sdf&&util.warnOnce("Style sheet warning: Cannot mix SDF and non-SDF icons in one buffer"),1!==I.pixelRatio?o.iconsNeedLinear=!0:0===a["icon-rotate"]&&o.layers[0].isLayoutValueFeatureConstant("icon-rotate")||(o.iconsNeedLinear=!0))}(f[WritingMode.horizontal]||v)&&o.addFeature(g,f,v)}},SymbolBucket.prototype.addFeature=function(e,t,o){var r=this,a=this.layers[0].layout,i=24,n=this.adjustedTextSize/i,l=void 0!==this.adjustedTextMaxSize?this.adjustedTextMaxSize:this.adjustedTextSize,s=this.tilePixelRatio*n,c=this.tilePixelRatio*l/i,y=this.tilePixelRatio*this.adjustedIconSize,p=this.tilePixelRatio*a["symbol-spacing"],x=a["symbol-avoid-edges"],h=a["text-padding"]*this.tilePixelRatio,u=a["icon-padding"]*this.tilePixelRatio,d=a["text-max-angle"]/180*Math.PI,m="map"===a["text-rotation-alignment"]&&"line"===a["symbol-placement"],g="map"===a["icon-rotation-alignment"]&&"line"===a["symbol-placement"],f=a["text-allow-overlap"]||a["icon-allow-overlap"]||a["text-ignore-placement"]||a["icon-ignore-placement"],b=a["symbol-placement"],v=p/2,I=function(a,i){var n=!(i.x<0||i.x>EXTENT||i.y<0||i.y>EXTENT);if(!x||n){var l=n||f;r.addSymbolInstance(i,a,t,o,r.layers[0],l,r.collisionBoxArray,e.index,e.sourceLayerIndex,r.index,s,h,m,y,u,g,{zoom:r.zoom},e.properties)}};if("line"===b)for(var S=0,T=clipLine(e.geometry,0,0,EXTENT,EXTENT);S<T.length;S+=1)for(var M=T[S],B=getAnchors(M,p,d,t[WritingMode.vertical]||t[WritingMode.horizontal],o,i,c,r.overscaling,EXTENT),A=0,z=B;A<z.length;A+=1){var _=z[A],E=t[WritingMode.horizontal];E&&r.anchorIsTooClose(E.text,v,_)||I(M,_)}else if("Polygon"===e.type)for(var k=0,P=classifyRings(e.geometry,0);k<P.length;k+=1){var w=P[k],L=findPoleOfInaccessibility(w,16);I(w[0],new Anchor(L.x,L.y,0))}else if("LineString"===e.type)for(var V=0,C=e.geometry;V<C.length;V+=1){var N=C[V];I(N,new Anchor(N[0].x,N[0].y,0))}else if("Point"===e.type)for(var j=0,q=e.geometry;j<q.length;j+=1)for(var F=q[j],W=0,Q=F;W<Q.length;W+=1){var U=Q[W];I([U],new Anchor(U.x,U.y,0))}},SymbolBucket.prototype.anchorIsTooClose=function(e,t,o){var r=this.compareText;if(e in r){for(var a=r[e],i=a.length-1;i>=0;i--)if(o.dist(a[i])<t)return!0}else r[e]=[];return r[e].push(o),!1},SymbolBucket.prototype.place=function(e,t){var o=this;this.createArrays();var r=this.layers[0].layout,a=e.maxScale,i="map"===r["text-rotation-alignment"]&&"line"===r["symbol-placement"],n="map"===r["icon-rotation-alignment"]&&"line"===r["symbol-placement"],l=r["text-allow-overlap"]||r["icon-allow-overlap"]||r["text-ignore-placement"]||r["icon-ignore-placement"];if(l){var s=e.angle,c=Math.sin(s),y=Math.cos(s);this.symbolInstances.sort(function(e,t){var o=c*e.anchor.x+y*e.anchor.y|0,r=c*t.anchor.x+y*t.anchor.y|0;return o-r||t.featureIndex-e.featureIndex})}for(var p=0,x=o.symbolInstances;p<x.length;p+=1){var h=x[p],u={boxStartIndex:h.textBoxStartIndex,boxEndIndex:h.textBoxEndIndex},d={boxStartIndex:h.iconBoxStartIndex,boxEndIndex:h.iconBoxEndIndex},m=!(h.textBoxStartIndex===h.textBoxEndIndex),g=!(h.iconBoxStartIndex===h.iconBoxEndIndex),f=r["text-optional"]||!m,b=r["icon-optional"]||!g,v=m?e.placeCollisionFeature(u,r["text-allow-overlap"],r["symbol-avoid-edges"]):e.minScale,I=g?e.placeCollisionFeature(d,r["icon-allow-overlap"],r["symbol-avoid-edges"]):e.minScale;f||b?!b&&v?v=Math.max(I,v):!f&&I&&(I=Math.max(I,v)):I=v=Math.max(I,v),m&&(e.insertCollisionFeature(u,v,r["text-ignore-placement"]),v<=a&&o.addSymbols(o.arrays.glyph,h.glyphQuads,v,r["text-keep-upright"],i,e.angle,h.featureProperties,h.writingModes)),g&&(e.insertCollisionFeature(d,I,r["icon-ignore-placement"]),I<=a&&o.addSymbols(o.arrays.icon,h.iconQuads,I,r["icon-keep-upright"],n,e.angle,h.featureProperties))}t&&this.addToDebugBuffers(e)},SymbolBucket.prototype.addSymbols=function(e,t,o,r,a,i,n,l){for(var s=e.elementArray,c=e.layoutVertexArray,y=this.zoom,p=Math.max(Math.log(o)/Math.LN2+y,0),x=0,h=t;x<h.length;x+=1){var u=h[x],d=(u.anchorAngle+i+Math.PI)%(2*Math.PI);if(l&WritingMode.vertical){if(a&&u.writingMode===WritingMode.vertical){if(r&&a&&d<=5*Math.PI/4||d>7*Math.PI/4)continue}else if(r&&a&&d<=3*Math.PI/4||d>5*Math.PI/4)continue}else if(r&&a&&(d<=Math.PI/2||d>3*Math.PI/2))continue;var m=u.tl,g=u.tr,f=u.bl,b=u.br,v=u.tex,I=u.anchorPoint,S=Math.max(y+Math.log(u.minScale)/Math.LN2,p),T=Math.min(y+Math.log(u.maxScale)/Math.LN2,25)
;if(!(T<=S)){S===p&&(S=0);var M=Math.round(u.glyphAngle/(2*Math.PI)*256),B=e.prepareSegment(4),A=B.vertexLength;addVertex(c,I.x,I.y,m.x,m.y,v.x,v.y,S,T,p,M),addVertex(c,I.x,I.y,g.x,g.y,v.x+v.w,v.y,S,T,p,M),addVertex(c,I.x,I.y,f.x,f.y,v.x,v.y+v.h,S,T,p,M),addVertex(c,I.x,I.y,b.x,b.y,v.x+v.w,v.y+v.h,S,T,p,M),s.emplaceBack(A,A+1,A+2),s.emplaceBack(A+1,A+2,A+3),B.vertexLength+=4,B.primitiveLength+=2}}e.populatePaintArrays(n)},SymbolBucket.prototype.addToDebugBuffers=function(e){for(var t=this,o=this.arrays.collisionBox,r=o.layoutVertexArray,a=o.elementArray,i=-e.angle,n=e.yStretch,l=0,s=t.symbolInstances;l<s.length;l+=1){var c=s[l];c.textCollisionFeature={boxStartIndex:c.textBoxStartIndex,boxEndIndex:c.textBoxEndIndex},c.iconCollisionFeature={boxStartIndex:c.iconBoxStartIndex,boxEndIndex:c.iconBoxEndIndex};for(var y=0;y<2;y++){var p=c[0===y?"textCollisionFeature":"iconCollisionFeature"];if(p)for(var x=p.boxStartIndex;x<p.boxEndIndex;x++){var h=t.collisionBoxArray.get(x),u=h.anchorPoint,d=new Point(h.x1,h.y1*n)._rotate(i),m=new Point(h.x2,h.y1*n)._rotate(i),g=new Point(h.x1,h.y2*n)._rotate(i),f=new Point(h.x2,h.y2*n)._rotate(i),b=Math.max(0,Math.min(25,t.zoom+Math.log(h.maxScale)/Math.LN2)),v=Math.max(0,Math.min(25,t.zoom+Math.log(h.placementScale)/Math.LN2)),I=o.prepareSegment(4),S=I.vertexLength;addCollisionBoxVertex(r,u,d,b,v),addCollisionBoxVertex(r,u,m,b,v),addCollisionBoxVertex(r,u,f,b,v),addCollisionBoxVertex(r,u,g,b,v),a.emplaceBack(S,S+1),a.emplaceBack(S+1,S+2),a.emplaceBack(S+2,S+3),a.emplaceBack(S+3,S),I.vertexLength+=4,I.primitiveLength+=4}}}},SymbolBucket.prototype.addSymbolInstance=function(e,t,o,r,a,i,n,l,s,c,y,p,x,h,u,d,m,g){var f,b,v=[],I=[];for(var S in o){var T=parseInt(S,10);o[T]&&(I=I.concat(i?getGlyphQuads(e,o[T],y,t,a,x):[]),f=new CollisionFeature(n,t,e,l,s,c,o[T],y,p,x,!1))}var M=f?f.boxStartIndex:this.collisionBoxArray.length,B=f?f.boxEndIndex:this.collisionBoxArray.length;r&&(v=i?getIconQuads(e,r,h,t,a,d,o[WritingMode.horizontal],m,g):[],b=new CollisionFeature(n,t,e,l,s,c,r,h,u,d,!0));var A=b?b.boxStartIndex:this.collisionBoxArray.length,z=b?b.boxEndIndex:this.collisionBoxArray.length;B>SymbolBucket.MAX_INSTANCES&&util.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),z>SymbolBucket.MAX_INSTANCES&&util.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907");var _=(o[WritingMode.vertical]?WritingMode.vertical:0)|(o[WritingMode.horizontal]?WritingMode.horizontal:0);this.symbolInstances.push({textBoxStartIndex:M,textBoxEndIndex:B,iconBoxStartIndex:A,iconBoxEndIndex:z,glyphQuads:I,iconQuads:v,anchor:e,featureIndex:l,featureProperties:g,writingModes:_})},SymbolBucket.programInterfaces=symbolInterfaces,SymbolBucket.MAX_INSTANCES=65535,module.exports=SymbolBucket},{"../../source/rtl_text_plugin":90,"../../symbol/anchor":157,"../../symbol/clip_line":159,"../../symbol/collision_feature":161,"../../symbol/get_anchors":163,"../../symbol/mergelines":166,"../../symbol/quads":167,"../../symbol/resolve_text":168,"../../symbol/shaping":169,"../../util/classify_rings":195,"../../util/find_pole_of_inaccessibility":201,"../../util/script_detection":209,"../../util/token":211,"../../util/util":212,"../array_group":44,"../buffer_group":52,"../element_array_type":53,"../extent":54,"../load_geometry":56,"../vertex_array_type":60,"point-geometry":26,"vector-tile":34}],51:[function(require,module,exports){"use strict";var AttributeType={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"},Buffer=function(e,t,r){this.arrayBuffer=e.arrayBuffer,this.length=e.length,this.attributes=t.members,this.itemSize=t.bytesPerElement,this.type=r,this.arrayType=t};Buffer.fromStructArray=function(e,t){return new Buffer(e.serialize(),e.constructor.serialize(),t)},Buffer.prototype.bind=function(e){var t=e[this.type];this.buffer?e.bindBuffer(t,this.buffer):(this.gl=e,this.buffer=e.createBuffer(),e.bindBuffer(t,this.buffer),e.bufferData(t,this.arrayBuffer,e.STATIC_DRAW),this.arrayBuffer=null)},Buffer.prototype.setVertexAttribPointers=function(e,t,r){for(var f=this,i=0;i<this.attributes.length;i++){var u=f.attributes[i],s=t[u.name];void 0!==s&&e.vertexAttribPointer(s,u.components,e[AttributeType[u.type]],!1,f.arrayType.bytesPerElement,u.offset+(f.arrayType.bytesPerElement*r||0))}},Buffer.prototype.destroy=function(){this.buffer&&this.gl.deleteBuffer(this.buffer)},Buffer.BufferType={VERTEX:"ARRAY_BUFFER",ELEMENT:"ELEMENT_ARRAY_BUFFER"},module.exports=Buffer},{}],52:[function(require,module,exports){"use strict";var util=require("../util/util"),Buffer=require("./buffer"),ProgramConfiguration=require("./program_configuration"),VertexArrayObject=require("../render/vertex_array_object"),BufferGroup=function(e,r,t,a){var f=this;this.layoutVertexBuffer=new Buffer(a.layoutVertexArray,e.layoutVertexArrayType.serialize(),Buffer.BufferType.VERTEX),a.elementArray&&(this.elementBuffer=new Buffer(a.elementArray,e.elementArrayType.serialize(),Buffer.BufferType.ELEMENT)),a.elementArray2&&(this.elementBuffer2=new Buffer(a.elementArray2,e.elementArrayType2.serialize(),Buffer.BufferType.ELEMENT)),this.layerData={};for(var n=0,u=r;n<u.length;n+=1){var i=u[n],s=a.paintVertexArrays&&a.paintVertexArrays[i.id],o=ProgramConfiguration.createDynamic(e.paintAttributes||[],i,t),y=s?new Buffer(s.array,s.type,Buffer.BufferType.VERTEX):null;f.layerData[i.id]={programConfiguration:o,paintVertexBuffer:y}}this.segments=a.segments,this.segments2=a.segments2;for(var l=0,m=[f.segments,f.segments2];l<m.length;l+=1)for(var B=m[l],p=0,g=B||[];p<g.length;p+=1){var h=g[p];h.vaos=util.mapObject(f.layerData,function(){return new VertexArrayObject})}};BufferGroup.prototype.destroy=function(){var e=this;this.layoutVertexBuffer.destroy(),this.elementBuffer&&this.elementBuffer.destroy(),this.elementBuffer2&&this.elementBuffer2.destroy();for(var r in e.layerData){var t=e.layerData[r].paintVertexBuffer;t&&t.destroy()}for(var a=0,f=[e.segments,e.segments2];a<f.length;a+=1)for(var n=f[a],u=0,i=n||[];u<i.length;u+=1){var s=i[u];for(var o in s.vaos)s.vaos[o].destroy()}},module.exports=BufferGroup},{"../render/vertex_array_object":80,"../util/util":212,"./buffer":51,"./program_configuration":58}],53:[function(require,module,exports){"use strict";function createElementArrayType(e){return createStructArrayType({members:[{type:"Uint16",name:"vertices",components:e||3}]})}var createStructArrayType=require("../util/struct_array");module.exports=createElementArrayType},{"../util/struct_array":210}],54:[function(require,module,exports){"use strict";module.exports=8192},{}],55:[function(require,module,exports){"use strict";function translateDistance(e){return Math.sqrt(e[0]*e[0]+e[1]*e[1])}function topDownFeatureComparator(e,t){return t-e}function getLineWidth(e,t){return t>0?t+2*e:e}function translate(e,t,r,i,a){if(!t[0]&&!t[1])return e;t=Point.convert(t),"viewport"===r&&t._rotate(-i);for(var n=[],s=0;s<e.length;s++){for(var o=e[s],l=[],u=0;u<o.length;u++)l.push(o[u].sub(t._mult(a)));n.push(l)}return n}function offsetLine(e,t){for(var r=[],i=new Point(0,0),a=0;a<e.length;a++){for(var n=e[a],s=[],o=0;o<n.length;o++){var l=n[o-1],u=n[o],c=n[o+1],y=0===o?i:u.sub(l)._unit()._perp(),f=o===n.length-1?i:c.sub(u)._unit()._perp(),h=y._add(f)._unit(),d=h.x*f.x+h.y*f.y;h._mult(1/d),s.push(h._mult(t)._add(u))}r.push(s)}return r}var Point=require("point-geometry"),loadGeometry=require("./load_geometry"),EXTENT=require("./extent"),featureFilter=require("../style-spec/feature_filter"),createStructArrayType=require("../util/struct_array"),Grid=require("grid-index"),DictionaryCoder=require("../util/dictionary_coder"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),arraysIntersect=require("../util/util").arraysIntersect,intersection=require("../util/intersection_tests"),multiPolygonIntersectsBufferedMultiPoint=intersection.multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon=intersection.multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine=intersection.multiPolygonIntersectsBufferedMultiLine,FeatureIndexArray=createStructArrayType({members:[{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"}]}),FeatureIndex=function(e,t,r){if(e.grid){var i=e,a=t;e=i.coord,t=i.overscaling,this.grid=new Grid(i.grid),this.featureIndexArray=new FeatureIndexArray(i.featureIndexArray),this.rawTileData=a,this.bucketLayerIDs=i.bucketLayerIDs,this.paintPropertyStatistics=i.paintPropertyStatistics}else this.grid=new Grid(EXTENT,16,0),this.featureIndexArray=new FeatureIndexArray;this.coord=e,this.overscaling=t,this.x=e.x,this.y=e.y,this.z=e.z-Math.log(t)/Math.LN2,this.setCollisionTile(r)};FeatureIndex.prototype.insert=function(e,t){var r=this,i=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(e.index,e.sourceLayerIndex,t);for(var a=loadGeometry(e),n=0;n<a.length;n++){for(var s=a[n],o=[1/0,1/0,-(1/0),-(1/0)],l=0;l<s.length;l++){var u=s[l];o[0]=Math.min(o[0],u.x),o[1]=Math.min(o[1],u.y),o[2]=Math.max(o[2],u.x),o[3]=Math.max(o[3],u.y)}r.grid.insert(i,o[0],o[1],o[2],o[3])}},FeatureIndex.prototype.setCollisionTile=function(e){this.collisionTile=e},FeatureIndex.prototype.serialize=function(e){var t=this.grid.toArrayBuffer();return e&&e.push(t),{coord:this.coord,overscaling:this.overscaling,grid:t,featureIndexArray:this.featureIndexArray.serialize(e),bucketLayerIDs:this.bucketLayerIDs,paintPropertyStatistics:this.paintPropertyStatistics}},FeatureIndex.prototype.query=function(e,t){var r=this;this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers,this.sourceLayerCoder=new DictionaryCoder(this.vtLayers?Object.keys(this.vtLayers).sort():["_geojsonTileLayer"]));var i={},a=e.params||{},n=EXTENT/e.tileSize/e.scale,s=featureFilter(a.filter),o=0;for(var l in t)if(r.hasLayer(l)){var u=t[l],c=0;if("line"===u.type){var y=getLineWidth(r.getPaintValue("line-width",u),r.getPaintValue("line-gap-width",u)),f=r.getPaintValue("line-offset",u),h=r.getPaintValue("line-translate",u);c=y/2+Math.abs(f)+translateDistance(h)}else"fill"===u.type?c=translateDistance(r.getPaintValue("fill-translate",u)):"fill-extrusion"===u.type?c=translateDistance(r.getPaintValue("fill-extrusion-translate",u)):"circle"===u.type&&(c=r.getPaintValue("circle-radius",u)+translateDistance(r.getPaintValue("circle-translate",u)));o=Math.max(o,c*n)}for(var d=e.queryGeometry.map(function(e){return e.map(function(e){return new Point(e.x,e.y)})}),g=1/0,p=1/0,v=-(1/0),x=-(1/0),P=0;P<d.length;P++)for(var I=d[P],m=0;m<I.length;m++){var L=I[m];g=Math.min(g,L.x),p=Math.min(p,L.y),v=Math.max(v,L.x),x=Math.max(x,L.y)}var M=this.grid.query(g-o,p-o,v+o,x+o);M.sort(topDownFeatureComparator),this.filterMatching(i,M,this.featureIndexArray,d,s,a.layers,t,e.bearing,n);var b=this.collisionTile.queryRenderedSymbols(d,e.scale);return b.sort(),this.filterMatching(i,b,this.collisionTile.collisionBoxArray,d,s,a.layers,t,e.bearing,n),i},FeatureIndex.prototype.filterMatching=function(e,t,r,i,a,n,s,o,l){for(var u,c=this,y=0;y<t.length;y++){var f=t[y];if(f!==u){u=f;var h=r.get(f),d=c.bucketLayerIDs[h.bucketIndex];if(!n||arraysIntersect(n,d)){var g=c.sourceLayerCoder.decode(h.sourceLayerIndex),p=c.vtLayers[g],v=p.feature(h.featureIndex);if(a(v))for(var x=null,P=0;P<d.length;P++){var I=d[P];if(!(n&&n.indexOf(I)<0)){var m=s[I];if(m){var L=void 0;if("symbol"!==m.type)if(x||(x=loadGeometry(v)),"line"===m.type){L=translate(i,c.getPaintValue("line-translate",m,v),c.getPaintValue("line-translate-anchor",m,v),o,l);var M=l/2*getLineWidth(c.getPaintValue("line-width",m,v),c.getPaintValue("line-gap-width",m,v)),b=c.getPaintValue("line-offset",m,v);if(b&&(x=offsetLine(x,b*l)),!multiPolygonIntersectsBufferedMultiLine(L,x,M))continue}else if("fill"===m.type||"fill-extrusion"===m.type){var V=m.type;if(L=translate(i,c.getPaintValue(V+"-translate",m,v),c.getPaintValue(V+"-translate-anchor",m,v),o,l),!multiPolygonIntersectsMultiPolygon(L,x))continue}else if("circle"===m.type){L=translate(i,c.getPaintValue("circle-translate",m,v),c.getPaintValue("circle-translate-anchor",m,v),o,l);var w=c.getPaintValue("circle-radius",m,v)*l;if(!multiPolygonIntersectsBufferedMultiPoint(L,x,w))continue}var F=new GeoJSONFeature(v,c.z,c.x,c.y);F.layer=m.serialize();var _=e[I];void 0===_&&(_=e[I]=[]),_.push(F)}}}}}}},FeatureIndex.prototype.hasLayer=function(e){var t=this;for(var r in t.bucketLayerIDs)for(var i=0,a=t.bucketLayerIDs[r];i<a.length;i+=1){var n=a[i];if(e===n)return!0}return!1},FeatureIndex.prototype.getPaintValue=function(e,t,r){var i=t.isPaintValueFeatureConstant(e);if(i||r){var a=r?r.properties:{};return t.getPaintValue(e,{zoom:this.z},a)}return this.paintPropertyStatistics[t.id][e].max},module.exports=FeatureIndex},{"../style-spec/feature_filter":103,"../util/dictionary_coder":197,"../util/intersection_tests":205,"../util/struct_array":210,"../util/util":212,"../util/vectortile_to_geojson":213,"./extent":54,"./load_geometry":56,"grid-index":16,pbf:25,"point-geometry":26,"vector-tile":34}],56:[function(require,module,exports){"use strict";function createBounds(e){return{min:-1*Math.pow(2,e-1),max:Math.pow(2,e-1)-1}}var util=require("../util/util"),EXTENT=require("./extent"),boundsLookup={15:createBounds(15),16:createBounds(16)};module.exports=function(e,t){for(var r=boundsLookup[t||16],o=EXTENT/e.extent,u=e.loadGeometry(),n=0;n<u.length;n++)for(var a=u[n],i=0;i<a.length;i++){var d=a[i];d.x=Math.round(d.x*o),d.y=Math.round(d.y*o),(d.x<r.min||d.x>r.max||d.y<r.min||d.y>r.max)&&util.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return u}},{"../util/util":212,"./extent":54}],57:[function(require,module,exports){"use strict";var createStructArrayType=require("../util/struct_array"),PosArray=createStructArrayType({members:[{name:"a_pos",type:"Int16",components:2}]});module.exports=PosArray},{"../util/struct_array":210}],58:[function(require,module,exports){"use strict";function getPaintAttributeValue(t,r,e,i){if(!t.zoomStops)return r.getPaintValue(t.property,e,i);var a=t.zoomStops.map(function(a){return r.getPaintValue(t.property,util.extend({},e,{zoom:a}),i)});return 1===a.length?a[0]:a}function normalizePaintAttribute(t,r){var e=t.name;e||(e=t.property.replace(r.type+"-","").replace(/-/g,"_"));var i="color"===r._paintSpecifications[t.property].type;return util.extend({name:"a_"+e,components:i?4:1,multiplier:i?255:1,dimensions:i?4:1},t)}var createVertexArrayType=require("./vertex_array_type"),util=require("../util/util"),ProgramConfiguration=function(){this.attributes=[],this.uniforms=[],this.interpolationUniforms=[],this.pragmas={vertex:{},fragment:{}},this.cacheKey=""};ProgramConfiguration.createDynamic=function(t,r,e){for(var i=new ProgramConfiguration,a=0,n=t;a<n.length;a+=1){var o=n[a],p=normalizePaintAttribute(o,r),u=p.name.slice(2);r.isPaintValueFeatureConstant(p.property)?i.addZoomAttribute(u,p):r.isPaintValueZoomConstant(p.property)?i.addPropertyAttribute(u,p):i.addZoomAndPropertyAttribute(u,p,r,e)}return i.PaintVertexArray=createVertexArrayType(i.attributes),i},ProgramConfiguration.createStatic=function(t){for(var r=new ProgramConfiguration,e=0,i=t;e<i.length;e+=1){var a=i[e];r.addUniform(a,"u_"+a)}return r},ProgramConfiguration.prototype.addUniform=function(t,r){var e=this.getPragmas(t);e.define.push("uniform {precision} {type} "+r+";"),e.initialize.push("{precision} {type} "+t+" = "+r+";"),this.cacheKey+="/u_"+t},ProgramConfiguration.prototype.addZoomAttribute=function(t,r){this.uniforms.push(r),this.addUniform(t,r.name)},ProgramConfiguration.prototype.addPropertyAttribute=function(t,r){var e=this.getPragmas(t);this.attributes.push(r),e.define.push("varying {precision} {type} "+t+";"),e.vertex.define.push("attribute {precision} {type} "+r.name+";"),e.vertex.initialize.push(t+" = "+r.name+" / "+r.multiplier+".0;"),this.cacheKey+="/a_"+t},ProgramConfiguration.prototype.addZoomAndPropertyAttribute=function(t,r,e,i){var a=this,n=this.getPragmas(t);n.define.push("varying {precision} {type} "+t+";");for(var o=0,p=e.getPaintValueStopZoomLevels(r.property);o<p.length&&p[o]<i;)o++;var u=Math.max(0,Math.min(p.length-4,o-2)),s="u_"+t+"_t";n.vertex.define.push("uniform lowp float "+s+";"),this.interpolationUniforms.push({name:s,property:r.property,stopOffset:u});for(var m=[],f=0;f<4;f++)m.push(p[Math.min(u+f,p.length-1)]);var g=[];if(1===r.components)this.attributes.push(util.extend({},r,{components:4,zoomStops:m})),n.vertex.define.push("attribute {precision} vec4 "+r.name+";"),g.push(r.name);else for(var h=0;h<4;h++){var l=r.name+h;g.push(l),a.attributes.push(util.extend({},r,{name:l,zoomStops:[m[h]]})),n.vertex.define.push("attribute {precision} {type} "+l+";")}n.vertex.initialize.push(t+" = evaluate_zoom_function_"+r.components+"(            "+g.join(", ")+", "+s+") / "+r.multiplier+".0;"),this.cacheKey+="/z_"+t},ProgramConfiguration.prototype.getPragmas=function(t){return this.pragmas[t]||(this.pragmas[t]={define:[],initialize:[]},this.pragmas[t].fragment={define:[],initialize:[]},this.pragmas[t].vertex={define:[],initialize:[]}),this.pragmas[t]},ProgramConfiguration.prototype.applyPragmas=function(t,r){var e=this;return t.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(t,i,a,n,o){return e.pragmas[o][i].concat(e.pragmas[o][r][i]).join("\n").replace(/{type}/g,n).replace(/{precision}/g,a)})},ProgramConfiguration.prototype.createPaintPropertyStatistics=function(){for(var t=this,r={},e=0,i=t.attributes;e<i.length;e+=1){var a=i[e];1===a.dimensions&&(r[a.property]={max:-(1/0)})}return r},ProgramConfiguration.prototype.populatePaintArray=function(t,r,e,i,a,n){var o=this,p=r.length;r.resize(i);for(var u=0,s=o.attributes;u<s.length;u+=1)for(var m=s[u],f=getPaintAttributeValue(m,t,a,n),g=p;g<i;g++){var h=r.get(g);if(4===m.components)for(var l=0;l<4;l++)h[m.name+l]=f[l]*m.multiplier;else h[m.name]=f*m.multiplier;if(1===m.dimensions){var c=e[m.property];c.max=Math.max(c.max,1===m.components?f:Math.max.apply(Math,f))}}},ProgramConfiguration.prototype.setUniforms=function(t,r,e,i){for(var a=this,n=0,o=a.uniforms;n<o.length;n+=1){var p=o[n],u=e.getPaintValue(p.property,i);4===p.components?t.uniform4fv(r[p.name],u):t.uniform1f(r[p.name],u)}for(var s=0,m=a.interpolationUniforms;s<m.length;s+=1){var f=m[s],g=e.getPaintInterpolationT(f.property,i);t.uniform1f(r[f.name],Math.max(0,Math.min(4,g-f.stopOffset)))}},module.exports=ProgramConfiguration},{"../util/util":212,"./vertex_array_type":60}],59:[function(require,module,exports){"use strict";var createStructArrayType=require("../util/struct_array"),RasterBoundsArray=createStructArrayType({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]});module.exports=RasterBoundsArray},{"../util/struct_array":210}],60:[function(require,module,exports){"use strict";function createVertexArrayType(r){return createStructArrayType({members:r,alignment:4})}var createStructArrayType=require("../util/struct_array");module.exports=createVertexArrayType},{"../util/struct_array":210}],61:[function(require,module,exports){"use strict";var Coordinate=function(o,t,n){this.column=o,this.row=t,this.zoom=n};Coordinate.prototype.clone=function(){return new Coordinate(this.column,this.row,this.zoom)},Coordinate.prototype.zoomTo=function(o){return this.clone()._zoomTo(o)},Coordinate.prototype.sub=function(o){return this.clone()._sub(o)},Coordinate.prototype._zoomTo=function(o){var t=Math.pow(2,o-this.zoom);return this.column*=t,this.row*=t,this.zoom=o,this},Coordinate.prototype._sub=function(o){return o=o.zoomTo(this.zoom),this.column-=o.column,this.row-=o.row,this},module.exports=Coordinate},{}],62:[function(require,module,exports){"use strict";var wrap=require("../util/util").wrap,LngLat=function(t,n){if(isNaN(t)||isNaN(n))throw new Error("Invalid LngLat object: ("+t+", "+n+")");if(this.lng=+t,this.lat=+n,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")};LngLat.prototype.wrap=function(){return new LngLat(wrap(this.lng,-180,180),this.lat)},LngLat.prototype.toArray=function(){return[this.lng,this.lat]},LngLat.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},LngLat.convert=function(t){if(t instanceof LngLat)return t;if(t&&t.hasOwnProperty("lng")&&t.hasOwnProperty("lat"))return new LngLat(t.lng,t.lat);if(Array.isArray(t)&&2===t.length)return new LngLat(t[0],t[1]);throw new Error("`LngLatLike` argument must be specified as a LngLat instance, an object {lng: <lng>, lat: <lat>}, or an array of [<lng>, <lat>]")},module.exports=LngLat},{"../util/util":212}],63:[function(require,module,exports){"use strict";var LngLat=require("./lng_lat"),LngLatBounds=function(t,n){t&&(n?this.setSouthWest(t).setNorthEast(n):4===t.length?this.setSouthWest([t[0],t[1]]).setNorthEast([t[2],t[3]]):this.setSouthWest(t[0]).setNorthEast(t[1]))};LngLatBounds.prototype.setNorthEast=function(t){return this._ne=LngLat.convert(t),this},LngLatBounds.prototype.setSouthWest=function(t){return this._sw=LngLat.convert(t),this},LngLatBounds.prototype.extend=function(t){var n,e,s=this._sw,o=this._ne;if(t instanceof LngLat)n=t,e=t;else{if(!(t instanceof LngLatBounds))return Array.isArray(t)?t.every(Array.isArray)?this.extend(LngLatBounds.convert(t)):this.extend(LngLat.convert(t)):this;if(n=t._sw,e=t._ne,!n||!e)return this}return s||o?(s.lng=Math.min(n.lng,s.lng),s.lat=Math.min(n.lat,s.lat),o.lng=Math.max(e.lng,o.lng),o.lat=Math.max(e.lat,o.lat)):(this._sw=new LngLat(n.lng,n.lat),this._ne=new LngLat(e.lng,e.lat)),this},LngLatBounds.prototype.getCenter=function(){return new LngLat((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},LngLatBounds.prototype.getSouthWest=function(){return this._sw},LngLatBounds.prototype.getNorthEast=function(){return this._ne},LngLatBounds.prototype.getNorthWest=function(){return new LngLat(this.getWest(),this.getNorth())},LngLatBounds.prototype.getSouthEast=function(){return new LngLat(this.getEast(),this.getSouth())},LngLatBounds.prototype.getWest=function(){return this._sw.lng},LngLatBounds.prototype.getSouth=function(){return this._sw.lat},LngLatBounds.prototype.getEast=function(){return this._ne.lng},LngLatBounds.prototype.getNorth=function(){return this._ne.lat},LngLatBounds.prototype.toArray=function(){return[this._sw.toArray(),this._ne.toArray()]},LngLatBounds.prototype.toString=function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"},LngLatBounds.convert=function(t){return!t||t instanceof LngLatBounds?t:new LngLatBounds(t)},module.exports=LngLatBounds},{"./lng_lat":62}],64:[function(require,module,exports){"use strict";var LngLat=require("./lng_lat"),Point=require("point-geometry"),Coordinate=require("./coordinate"),util=require("../util/util"),interp=require("../util/interpolate"),TileCoord=require("../source/tile_coord"),EXTENT=require("../data/extent"),glmatrix=require("@mapbox/gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2,Transform=function(t,i,o){this.tileSize=512,this._renderWorldCopies=void 0===o||o,this._minZoom=t||0,this._maxZoom=i||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new LngLat(0,0),this.zoom=0,this.angle=0,this._fov=.6435011087932844,this._pitch=0,this._unmodified=!0},prototypeAccessors={minZoom:{},maxZoom:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},fov:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};prototypeAccessors.minZoom.get=function(){return this._minZoom},prototypeAccessors.minZoom.set=function(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},prototypeAccessors.maxZoom.get=function(){return this._maxZoom},prototypeAccessors.maxZoom.set=function(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},prototypeAccessors.worldSize.get=function(){return this.tileSize*this.scale},prototypeAccessors.centerPoint.get=function(){return this.size._div(2)},prototypeAccessors.size.get=function(){return new Point(this.width,this.height)},prototypeAccessors.bearing.get=function(){return-this.angle/Math.PI*180},prototypeAccessors.bearing.set=function(t){var i=-util.wrap(t,-180,180)*Math.PI/180;this.angle!==i&&(this._unmodified=!1,this.angle=i,this._calcMatrices(),this.rotationMatrix=mat2.create(),mat2.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},prototypeAccessors.pitch.get=function(){return this._pitch/Math.PI*180},prototypeAccessors.pitch.set=function(t){var i=util.clamp(t,0,60)/180*Math.PI;this._pitch!==i&&(this._unmodified=!1,this._pitch=i,this._calcMatrices())},prototypeAccessors.fov.get=function(){return this._fov/Math.PI*180},prototypeAccessors.fov.set=function(t){t=Math.max(.01,Math.min(60,t)),this._fov!==t&&(this._unmodified=!1,this._fov=t/180*Math.PI,this._calcMatrices())},prototypeAccessors.zoom.get=function(){return this._zoom},prototypeAccessors.zoom.set=function(t){var i=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==i&&(this._unmodified=!1,this._zoom=i,this.scale=this.zoomScale(i),this.tileZoom=Math.floor(i),this.zoomFraction=i-this.tileZoom,this._constrain(),this._calcMatrices())},prototypeAccessors.center.get=function(){return this._center},prototypeAccessors.center.set=function(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._constrain(),this._calcMatrices())},Transform.prototype.coveringZoomLevel=function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},Transform.prototype.coveringTiles=function(t){var i=this.coveringZoomLevel(t),o=i;if(i<t.minzoom)return[];i>t.maxzoom&&(i=t.maxzoom);var e=this.pointCoordinate(this.centerPoint,i),r=new Point(e.column-.5,e.row-.5),n=[this.pointCoordinate(new Point(0,0),i),this.pointCoordinate(new Point(this.width,0),i),this.pointCoordinate(new Point(this.width,this.height),i),this.pointCoordinate(new Point(0,this.height),i)];return TileCoord.cover(i,n,t.reparseOverscaled?o:i,this._renderWorldCopies).sort(function(t,i){return r.dist(t)-r.dist(i)})},Transform.prototype.resize=function(t,i){this.width=t,this.height=i,this.pixelsToGLUnits=[2/t,-2/i],this._constrain(),this._calcMatrices()},prototypeAccessors.unmodified.get=function(){return this._unmodified},Transform.prototype.zoomScale=function(t){return Math.pow(2,t)},Transform.prototype.scaleZoom=function(t){return Math.log(t)/Math.LN2},Transform.prototype.project=function(t){return new Point(this.lngX(t.lng),this.latY(t.lat))},Transform.prototype.unproject=function(t){return new LngLat(this.xLng(t.x),this.yLat(t.y))},prototypeAccessors.x.get=function(){return this.lngX(this.center.lng)},prototypeAccessors.y.get=function(){return this.latY(this.center.lat)},prototypeAccessors.point.get=function(){return new Point(this.x,this.y)},Transform.prototype.lngX=function(t){return(180+t)*this.worldSize/360},Transform.prototype.latY=function(t){var i=180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360));return(180-i)*this.worldSize/360},Transform.prototype.xLng=function(t){return 360*t/this.worldSize-180},Transform.prototype.yLat=function(t){var i=180-360*t/this.worldSize;return 360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90},Transform.prototype.setLocationAtPoint=function(t,i){var o=this.pointCoordinate(i)._sub(this.pointCoordinate(this.centerPoint));this.center=this.coordinateLocation(this.locationCoordinate(t)._sub(o))},Transform.prototype.locationPoint=function(t){return this.coordinatePoint(this.locationCoordinate(t))},Transform.prototype.pointLocation=function(t){return this.coordinateLocation(this.pointCoordinate(t))},Transform.prototype.locationCoordinate=function(t){return new Coordinate(this.lngX(t.lng)/this.tileSize,this.latY(t.lat)/this.tileSize,this.zoom).zoomTo(this.tileZoom)},Transform.prototype.coordinateLocation=function(t){var i=t.zoomTo(this.zoom);return new LngLat(this.xLng(i.column*this.tileSize),this.yLat(i.row*this.tileSize))},Transform.prototype.pointCoordinate=function(t,i){void 0===i&&(i=this.tileZoom);var o=0,e=[t.x,t.y,0,1],r=[t.x,t.y,1,1];vec4.transformMat4(e,e,this.pixelMatrixInverse),vec4.transformMat4(r,r,this.pixelMatrixInverse);var n=e[3],s=r[3],a=e[0]/n,h=r[0]/s,c=e[1]/n,m=r[1]/s,p=e[2]/n,l=r[2]/s,u=p===l?0:(o-p)/(l-p);return new Coordinate(interp(a,h,u)/this.tileSize,interp(c,m,u)/this.tileSize,this.zoom)._zoomTo(i)},Transform.prototype.coordinatePoint=function(t){var i=t.zoomTo(this.zoom),o=[i.column*this.tileSize,i.row*this.tileSize,0,1];return vec4.transformMat4(o,o,this.pixelMatrix),new Point(o[0]/o[3],o[1]/o[3])},Transform.prototype.calculatePosMatrix=function(t,i){var o=t.toCoordinate(i),e=this.worldSize/this.zoomScale(o.zoom),r=mat4.identity(new Float64Array(16));return mat4.translate(r,r,[o.column*e,o.row*e,0]),mat4.scale(r,r,[e/EXTENT,e/EXTENT,1]),mat4.multiply(r,this.projMatrix,r),new Float32Array(r)},Transform.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,i,o,e,r,n,s,a,h=this.size,c=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),i=this.latY(this.latRange[0]),r=i-t<h.y?h.y/(i-t):0),this.lngRange&&(o=this.lngX(this.lngRange[0]),e=this.lngX(this.lngRange[1]),n=e-o<h.x?h.x/(e-o):0);var m=Math.max(n||0,r||0);if(m)return this.center=this.unproject(new Point(n?(e+o)/2:this.x,r?(i+t)/2:this.y)),this.zoom+=this.scaleZoom(m),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var p=this.y,l=h.y/2;p-l<t&&(a=t+l),p+l>i&&(a=i-l)}if(this.lngRange){var u=this.x,f=h.x/2;u-f<o&&(s=o+f),u+f>e&&(s=e-f)}void 0===s&&void 0===a||(this.center=this.unproject(new Point(void 0!==s?s:this.x,void 0!==a?a:this.y))),this._unmodified=c,this._constraining=!1}},Transform.prototype._calcMatrices=function(){if(this.height){this.cameraToCenterDistance=.5/Math.tan(this._fov/2)*this.height;var t=this._fov/2,i=Math.PI/2+this._pitch,o=Math.sin(t)*this.cameraToCenterDistance/Math.sin(Math.PI-i-t),e=Math.cos(Math.PI/2-this._pitch)*o+this.cameraToCenterDistance,r=1.01*e,n=new Float64Array(16);mat4.perspective(n,this._fov,this.width/this.height,1,r),mat4.scale(n,n,[1,-1,1]),mat4.translate(n,n,[0,0,-this.cameraToCenterDistance]),mat4.rotateX(n,n,this._pitch),mat4.rotateZ(n,n,this.angle),mat4.translate(n,n,[-this.x,-this.y,0]);var s=this.worldSize/(2*Math.PI*6378137*Math.abs(Math.cos(this.center.lat*(Math.PI/180))));if(mat4.scale(n,n,[1,1,s,1]),this.projMatrix=n,n=mat4.create(),mat4.scale(n,n,[this.width/2,-this.height/2,1]),mat4.translate(n,n,[1,-1,0]),this.pixelMatrix=mat4.multiply(new Float64Array(16),n,this.projMatrix),n=mat4.invert(new Float64Array(16),this.pixelMatrix),!n)throw new Error("failed to invert matrix");this.pixelMatrixInverse=n}},Object.defineProperties(Transform.prototype,prototypeAccessors),module.exports=Transform},{"../data/extent":54,"../source/tile_coord":94,"../util/interpolate":204,"../util/util":212,"./coordinate":61,"./lng_lat":62,"@mapbox/gl-matrix":1,"point-geometry":26}],65:[function(require,module,exports){"use strict";var browser=require("./util/browser"),mapboxgl=module.exports={};mapboxgl.version=require("../package.json").version,mapboxgl.workerCount=Math.max(Math.floor(browser.hardwareConcurrency/2),1),mapboxgl.Map=require("./ui/map"),mapboxgl.NavigationControl=require("./ui/control/navigation_control"),mapboxgl.GeolocateControl=require("./ui/control/geolocate_control"),mapboxgl.AttributionControl=require("./ui/control/attribution_control"),mapboxgl.ScaleControl=require("./ui/control/scale_control"),mapboxgl.FullscreenControl=require("./ui/control/fullscreen_control"),mapboxgl.Popup=require("./ui/popup"),mapboxgl.Marker=require("./ui/marker"),mapboxgl.Style=require("./style/style"),mapboxgl.LngLat=require("./geo/lng_lat"),mapboxgl.LngLatBounds=require("./geo/lng_lat_bounds"),mapboxgl.Point=require("point-geometry"),mapboxgl.Evented=require("./util/evented"),
mapboxgl.supported=require("./util/browser").supported;var config=require("./util/config");mapboxgl.config=config;var rtlTextPlugin=require("./source/rtl_text_plugin");mapboxgl.setRTLTextPlugin=rtlTextPlugin.setRTLTextPlugin,Object.defineProperty(mapboxgl,"accessToken",{get:function(){return config.ACCESS_TOKEN},set:function(o){config.ACCESS_TOKEN=o}})},{"../package.json":43,"./geo/lng_lat":62,"./geo/lng_lat_bounds":63,"./source/rtl_text_plugin":90,"./style/style":146,"./ui/control/attribution_control":173,"./ui/control/fullscreen_control":174,"./ui/control/geolocate_control":175,"./ui/control/navigation_control":177,"./ui/control/scale_control":178,"./ui/map":187,"./ui/marker":188,"./ui/popup":189,"./util/browser":192,"./util/config":196,"./util/evented":200,"point-geometry":26}],66:[function(require,module,exports){"use strict";function drawBackground(r,t,e){var a=r.gl,i=r.transform,n=i.tileSize,o=e.paint["background-color"],l=e.paint["background-pattern"],u=e.paint["background-opacity"],f=!l&&1===o[3]&&1===u;if(r.isOpaquePass===f){a.disable(a.STENCIL_TEST),r.setDepthSublayer(0);var s;l?(s=r.useProgram("fillPattern",r.basicFillProgramConfiguration),pattern.prepare(l,r,s),r.tileExtentPatternVAO.bind(a,s,r.tileExtentBuffer)):(s=r.useProgram("fill",r.basicFillProgramConfiguration),a.uniform4fv(s.u_color,o),r.tileExtentVAO.bind(a,s,r.tileExtentBuffer)),a.uniform1f(s.u_opacity,u);for(var c=i.coveringTiles({tileSize:n}),g=0,p=c;g<p.length;g+=1){var d=p[g];l&&pattern.setTile({coord:d,tileSize:n},r,s),a.uniformMatrix4fv(s.u_matrix,!1,r.transform.calculatePosMatrix(d)),a.drawArrays(a.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}}}var pattern=require("./pattern");module.exports=drawBackground},{"./pattern":78}],67:[function(require,module,exports){"use strict";function drawCircles(e,r,t,a){if(!e.isOpaquePass){var i=e.gl;e.setDepthSublayer(0),e.depthMask(!1),i.disable(i.STENCIL_TEST);for(var s=0;s<a.length;s++){var o=a[s],n=r.getTile(o),f=n.getBucket(t);if(f){var l=f.buffers,m=l.layerData[t.id],u=m.programConfiguration,c=e.useProgram("circle",u);u.setUniforms(i,c,t,{zoom:e.transform.zoom}),"map"===t.paint["circle-pitch-scale"]?(i.uniform1i(c.u_scale_with_map,!0),i.uniform2f(c.u_extrude_scale,e.transform.pixelsToGLUnits[0]*e.transform.cameraToCenterDistance,e.transform.pixelsToGLUnits[1]*e.transform.cameraToCenterDistance)):(i.uniform1i(c.u_scale_with_map,!1),i.uniform2fv(c.u_extrude_scale,e.transform.pixelsToGLUnits)),i.uniform1f(c.u_devicepixelratio,browser.devicePixelRatio),i.uniformMatrix4fv(c.u_matrix,!1,e.translatePosMatrix(o.posMatrix,n,t.paint["circle-translate"],t.paint["circle-translate-anchor"]));for(var p=0,v=l.segments;p<v.length;p+=1){var x=v[p];x.vaos[t.id].bind(i,c,l.layoutVertexBuffer,l.elementBuffer,m.paintVertexBuffer,x.vertexOffset),i.drawElements(i.TRIANGLES,3*x.primitiveLength,i.UNSIGNED_SHORT,3*x.primitiveOffset*2)}}}}}var browser=require("../util/browser");module.exports=drawCircles},{"../util/browser":192}],68:[function(require,module,exports){"use strict";function drawCollisionDebug(e,o,r,i){var t=e.gl;t.enable(t.STENCIL_TEST);for(var f=e.useProgram("collisionBox"),l=0;l<i.length;l++){var n=i[l],a=o.getTile(n),s=a.getBucket(r);if(s){var u=s.buffers.collisionBox;if(u){t.uniformMatrix4fv(f.u_matrix,!1,n.posMatrix),e.enableTileClippingMask(n),e.lineWidth(1),t.uniform1f(f.u_scale,Math.pow(2,e.transform.zoom-a.coord.z)),t.uniform1f(f.u_zoom,10*e.transform.zoom),t.uniform1f(f.u_maxzoom,10*(a.coord.z+1));for(var m=0,g=u.segments;m<g.length;m+=1){var v=g[m];v.vaos[r.id].bind(t,f,u.layoutVertexBuffer,u.elementBuffer,null,v.vertexOffset),t.drawElements(t.LINES,2*v.primitiveLength,t.UNSIGNED_SHORT,2*v.primitiveOffset*2)}}}}}module.exports=drawCollisionDebug},{}],69:[function(require,module,exports){"use strict";function drawDebug(r,e,a){for(var t=0;t<a.length;t++)drawDebugTile(r,e,a[t])}function drawDebugTile(r,e,a){var t=r.gl;t.disable(t.STENCIL_TEST),r.lineWidth(1*browser.devicePixelRatio);var i=a.posMatrix,u=r.useProgram("debug");t.uniformMatrix4fv(u.u_matrix,!1,i),t.uniform4f(u.u_color,1,0,0,1),r.debugVAO.bind(t,u,r.debugBuffer),t.drawArrays(t.LINE_STRIP,0,r.debugBuffer.length);for(var o=createTextVerticies(a.toString(),50,200,5),f=new PosArray,n=0;n<o.length;n+=2)f.emplaceBack(o[n],o[n+1]);var l=Buffer.fromStructArray(f,Buffer.BufferType.VERTEX),m=new VertexArrayObject;m.bind(t,u,l),t.uniform4f(u.u_color,1,1,1,1);for(var s=e.getTile(a).tileSize,g=EXTENT/(Math.pow(2,r.transform.zoom-a.z)*s),x=[[-1,-1],[-1,1],[1,-1],[1,1]],d=0;d<x.length;d++){var b=x[d];t.uniformMatrix4fv(u.u_matrix,!1,mat4.translate([],i,[g*b[0],g*b[1],0])),t.drawArrays(t.LINES,0,l.length)}t.uniform4f(u.u_color,0,0,0,1),t.uniformMatrix4fv(u.u_matrix,!1,i),t.drawArrays(t.LINES,0,l.length)}function createTextVerticies(r,e,a,t){t=t||1;var i,u,o,f,n,l,m,s,g=[];for(i=0,u=r.length;i<u;i++)if(n=simplexFont[r[i]]){for(s=null,o=0,f=n[1].length;o<f;o+=2)n[1][o]===-1&&n[1][o+1]===-1?s=null:(l=e+n[1][o]*t,m=a-n[1][o+1]*t,s&&g.push(s.x,s.y,l,m),s={x:l,y:m});e+=n[0]*t}return g}var browser=require("../util/browser"),mat4=require("@mapbox/gl-matrix").mat4,EXTENT=require("../data/extent"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),PosArray=require("../data/pos_array");module.exports=drawDebug;var simplexFont={" 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strict";function drawFill(t,e,r,i){var a=t.gl;a.enable(a.STENCIL_TEST);var l=!r.paint["fill-pattern"]&&r.isPaintValueFeatureConstant("fill-color")&&r.isPaintValueFeatureConstant("fill-opacity")&&1===r.paint["fill-color"][3]&&1===r.paint["fill-opacity"];t.isOpaquePass===l&&(t.setDepthSublayer(1),drawFillTiles(t,e,r,i,drawFillTile)),!t.isOpaquePass&&r.paint["fill-antialias"]&&(t.lineWidth(2),t.depthMask(!1),t.setDepthSublayer(r.getPaintProperty("fill-outline-color")?2:0),drawFillTiles(t,e,r,i,drawStrokeTile))}function drawFillTiles(t,e,r,i,a){for(var l=!0,n=0,o=i;n<o.length;n+=1){var f=o[n],s=e.getTile(f),u=s.getBucket(r);u&&(t.enableTileClippingMask(f),a(t,e,r,s,f,u.buffers,l),l=!1)}}function drawFillTile(t,e,r,i,a,l,n){for(var o=t.gl,f=l.layerData[r.id],s=setFillProgram("fill",r.paint["fill-pattern"],t,f,r,i,a,n),u=0,p=l.segments;u<p.length;u+=1){var g=p[u];g.vaos[r.id].bind(o,s,l.layoutVertexBuffer,l.elementBuffer,f.paintVertexBuffer,g.vertexOffset),o.drawElements(o.TRIANGLES,3*g.primitiveLength,o.UNSIGNED_SHORT,3*g.primitiveOffset*2)}}function drawStrokeTile(t,e,r,i,a,l,n){var o=t.gl,f=l.layerData[r.id],s=r.paint["fill-pattern"]&&!r.getPaintProperty("fill-outline-color"),u=setFillProgram("fillOutline",s,t,f,r,i,a,n);o.uniform2f(u.u_world,o.drawingBufferWidth,o.drawingBufferHeight);for(var p=0,g=l.segments2;p<g.length;p+=1){var m=g[p];m.vaos[r.id].bind(o,u,l.layoutVertexBuffer,l.elementBuffer2,f.paintVertexBuffer,m.vertexOffset),o.drawElements(o.LINES,2*m.primitiveLength,o.UNSIGNED_SHORT,2*m.primitiveOffset*2)}}function setFillProgram(t,e,r,i,a,l,n,o){var f,s=r.currentProgram;return e?(f=r.useProgram(t+"Pattern",i.programConfiguration),(o||f!==s)&&(i.programConfiguration.setUniforms(r.gl,f,a,{zoom:r.transform.zoom}),pattern.prepare(a.paint["fill-pattern"],r,f)),pattern.setTile(l,r,f)):(f=r.useProgram(t,i.programConfiguration),(o||f!==s)&&i.programConfiguration.setUniforms(r.gl,f,a,{zoom:r.transform.zoom})),r.gl.uniformMatrix4fv(f.u_matrix,!1,r.translatePosMatrix(n.posMatrix,l,a.paint["fill-translate"],a.paint["fill-translate-anchor"])),f}var pattern=require("./pattern");module.exports=drawFill},{"./pattern":78}],71:[function(require,module,exports){"use strict";function draw(t,e,r,i){if(0!==r.paint["fill-extrusion-opacity"]){var a=t.gl;a.disable(a.STENCIL_TEST),a.enable(a.DEPTH_TEST),t.depthMask(!0);var s=new ExtrusionTexture(a,t,r);s.bindFramebuffer(),a.clearColor(0,0,0,0),a.clear(a.COLOR_BUFFER_BIT|a.DEPTH_BUFFER_BIT);for(var u=0;u<i.length;u++)drawExtrusion(t,e,r,i[u]);s.unbindFramebuffer(),s.renderToMap()}}function ExtrusionTexture(t,e,r){this.gl=t,this.width=e.width,this.height=e.height,this.painter=e,this.layer=r,this.texture=null,this.fbo=null,this.fbos=this.painter.preFbos[this.width]&&this.painter.preFbos[this.width][this.height]}function drawExtrusion(t,e,r,i){if(!t.isOpaquePass){var a=e.getTile(i),s=a.getBucket(r);if(s){var u=s.buffers,f=t.gl,h=r.paint["fill-extrusion-pattern"],n=u.layerData[r.id],o=n.programConfiguration,E=t.useProgram(h?"fillExtrusionPattern":"fillExtrusion",o);o.setUniforms(f,E,r,{zoom:t.transform.zoom}),h&&(pattern.prepare(h,t,E),pattern.setTile(a,t,E),f.uniform1f(E.u_height_factor,-Math.pow(2,i.z)/a.tileSize/8)),t.gl.uniformMatrix4fv(E.u_matrix,!1,t.translatePosMatrix(i.posMatrix,a,r.paint["fill-extrusion-translate"],r.paint["fill-extrusion-translate-anchor"])),setLight(E,t);for(var T=0,l=u.segments;T<l.length;T+=1){var R=l[T];R.vaos[r.id].bind(f,E,u.layoutVertexBuffer,u.elementBuffer,n.paintVertexBuffer,R.vertexOffset),f.drawElements(f.TRIANGLES,3*R.primitiveLength,f.UNSIGNED_SHORT,3*R.primitiveOffset*2)}}}}function setLight(t,e){var r=e.gl,i=e.style.light,a=i.calculated.position,s=[a.x,a.y,a.z],u=mat3.create();"viewport"===i.calculated.anchor&&mat3.fromRotation(u,-e.transform.angle),vec3.transformMat3(s,s,u),r.uniform3fv(t.u_lightpos,s),r.uniform1f(t.u_lightintensity,i.calculated.intensity),r.uniform3fv(t.u_lightcolor,i.calculated.color.slice(0,3))}var glMatrix=require("@mapbox/gl-matrix"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),PosArray=require("../data/pos_array"),pattern=require("./pattern"),mat3=glMatrix.mat3,mat4=glMatrix.mat4,vec3=glMatrix.vec3;module.exports=draw,ExtrusionTexture.prototype.bindFramebuffer=function(){var t=this.gl;if(this.texture=this.painter.getViewportTexture(this.width,this.height),t.activeTexture(t.TEXTURE1),this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,null),this.texture.width=this.width,this.texture.height=this.height),this.fbos)this.fbo=this.fbos.pop(),t.bindFramebuffer(t.FRAMEBUFFER,this.fbo),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,this.texture,0);else{this.fbo=t.createFramebuffer();var e=t.createRenderbuffer(),r=t.createRenderbuffer();t.bindRenderbuffer(t.RENDERBUFFER,e),t.bindRenderbuffer(t.RENDERBUFFER,r),t.renderbufferStorage(t.RENDERBUFFER,t.RGBA4,this.width,this.height),t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_COMPONENT16,this.width,this.height),t.bindFramebuffer(t.FRAMEBUFFER,this.fbo),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,r),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,this.texture,0)}},ExtrusionTexture.prototype.unbindFramebuffer=function(){this.painter.bindDefaultFramebuffer(),this.fbos?this.fbos.push(this.fbo):(this.painter.preFbos[this.width]||(this.painter.preFbos[this.width]={}),this.painter.preFbos[this.width][this.height]=[this.fbo]),this.painter.saveViewportTexture(this.texture)},ExtrusionTexture.prototype.renderToMap=function(){var t=this.gl,e=this.painter,r=e.useProgram("extrusionTexture");t.activeTexture(t.TEXTURE0),t.bindTexture(t.TEXTURE_2D,this.texture),t.uniform1f(r.u_opacity,this.layer.paint["fill-extrusion-opacity"]),t.uniform1i(r.u_texture,1),t.uniformMatrix4fv(r.u_matrix,!1,mat4.ortho(mat4.create(),0,e.width,e.height,0,0,1)),t.disable(t.DEPTH_TEST),t.uniform1i(r.u_xdim,e.width),t.uniform1i(r.u_ydim,e.height);var i=new PosArray;i.emplaceBack(0,0),i.emplaceBack(e.width,0),i.emplaceBack(0,e.height),i.emplaceBack(e.width,e.height);var a=Buffer.fromStructArray(i,Buffer.BufferType.VERTEX),s=new VertexArrayObject;s.bind(t,r,a),t.drawArrays(t.TRIANGLE_STRIP,0,4),t.enable(t.DEPTH_TEST)}},{"../data/buffer":51,"../data/pos_array":57,"./pattern":78,"./vertex_array_object":80,"@mapbox/gl-matrix":1}],72:[function(require,module,exports){"use strict";function drawLineTile(e,i,t,r,a,n,o,f,s){var l,u,m,_,p=i.gl,g=a.paint["line-dasharray"],d=a.paint["line-pattern"];if(f||s){var v=1/pixelsToTileUnits(t,1,i.transform.tileZoom);if(g){l=i.lineAtlas.getDash(g.from,"round"===a.layout["line-cap"]),u=i.lineAtlas.getDash(g.to,"round"===a.layout["line-cap"]);var T=l.width*g.fromScale,h=u.width*g.toScale;p.uniform2f(e.u_patternscale_a,v/T,-l.height/2),p.uniform2f(e.u_patternscale_b,v/h,-u.height/2),p.uniform1f(e.u_sdfgamma,i.lineAtlas.width/(256*Math.min(T,h)*browser.devicePixelRatio)/2)}else if(d){if(m=i.spriteAtlas.getPosition(d.from,!0),_=i.spriteAtlas.getPosition(d.to,!0),!m||!_)return;p.uniform2f(e.u_pattern_size_a,m.size[0]*d.fromScale/v,_.size[1]),p.uniform2f(e.u_pattern_size_b,_.size[0]*d.toScale/v,_.size[1])}p.uniform2f(e.u_gl_units_to_pixels,1/i.transform.pixelsToGLUnits[0],1/i.transform.pixelsToGLUnits[1])}f&&(g?(p.uniform1i(e.u_image,0),p.activeTexture(p.TEXTURE0),i.lineAtlas.bind(p),p.uniform1f(e.u_tex_y_a,l.y),p.uniform1f(e.u_tex_y_b,u.y),p.uniform1f(e.u_mix,g.t)):d&&(p.uniform1i(e.u_image,0),p.activeTexture(p.TEXTURE0),i.spriteAtlas.bind(p,!0),p.uniform2fv(e.u_pattern_tl_a,m.tl),p.uniform2fv(e.u_pattern_br_a,m.br),p.uniform2fv(e.u_pattern_tl_b,_.tl),p.uniform2fv(e.u_pattern_br_b,_.br),p.uniform1f(e.u_fade,d.t)),p.uniform1f(e.u_width,a.paint["line-width"])),i.enableTileClippingMask(n);var x=i.translatePosMatrix(n.posMatrix,t,a.paint["line-translate"],a.paint["line-translate-anchor"]);p.uniformMatrix4fv(e.u_matrix,!1,x),p.uniform1f(e.u_ratio,1/pixelsToTileUnits(t,1,i.transform.zoom));for(var b=0,c=r.segments;b<c.length;b+=1){var w=c[b];w.vaos[a.id].bind(p,e,r.layoutVertexBuffer,r.elementBuffer,o.paintVertexBuffer,w.vertexOffset),p.drawElements(p.TRIANGLES,3*w.primitiveLength,p.UNSIGNED_SHORT,3*w.primitiveOffset*2)}}var browser=require("../util/browser"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=function(e,i,t,r){if(!e.isOpaquePass){e.setDepthSublayer(0),e.depthMask(!1);var a=e.gl;if(a.enable(a.STENCIL_TEST),!(t.paint["line-width"]<=0))for(var n,o=t.paint["line-dasharray"]?"lineSDF":t.paint["line-pattern"]?"linePattern":"line",f=!0,s=0,l=r;s<l.length;s+=1){var u=l[s],m=i.getTile(u),_=m.getBucket(t);if(_){var p=_.buffers.layerData[t.id],g=e.currentProgram,d=e.useProgram(o,p.programConfiguration),v=f||d!==g,T=n!==m.coord.z;v&&p.programConfiguration.setUniforms(e.gl,d,t,{zoom:e.transform.zoom}),drawLineTile(d,e,m,_.buffers,t,u,p,v,T),n=m.coord.z,f=!1}}}}},{"../source/pixels_to_tile_units":87,"../util/browser":192}],73:[function(require,module,exports){"use strict";function drawRaster(r,t,e,a){if(!r.isOpaquePass){var i=r.gl;i.enable(i.DEPTH_TEST),r.depthMask(!0),i.depthFunc(i.LESS);for(var o=a.length&&a[0].z,n=0;n<a.length;n++){var u=a[n];r.setDepthSublayer(u.z-o),drawRasterTile(r,t,e,u)}i.depthFunc(i.LEQUAL)}}function drawRasterTile(r,t,e,a){var i=r.gl;i.disable(i.STENCIL_TEST);var o=t.getTile(a),n=r.transform.calculatePosMatrix(a,t.getSource().maxzoom);o.registerFadeDuration(r.style.animationLoop,e.paint["raster-fade-duration"]);var u=r.useProgram("raster");i.uniformMatrix4fv(u.u_matrix,!1,n),i.uniform1f(u.u_brightness_low,e.paint["raster-brightness-min"]),i.uniform1f(u.u_brightness_high,e.paint["raster-brightness-max"]),i.uniform1f(u.u_saturation_factor,saturationFactor(e.paint["raster-saturation"])),i.uniform1f(u.u_contrast_factor,contrastFactor(e.paint["raster-contrast"])),i.uniform3fv(u.u_spin_weights,spinWeights(e.paint["raster-hue-rotate"]));var s,c,f=o.sourceCache&&o.sourceCache.findLoadedParent(a,0,{}),d=getFadeValues(o,f,e,r.transform);i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,o.texture),i.activeTexture(i.TEXTURE1),f?(i.bindTexture(i.TEXTURE_2D,f.texture),s=Math.pow(2,f.coord.z-o.coord.z),c=[o.coord.x*s%1,o.coord.y*s%1]):i.bindTexture(i.TEXTURE_2D,o.texture),i.uniform2fv(u.u_tl_parent,c||[0,0]),i.uniform1f(u.u_scale_parent,s||1),i.uniform1f(u.u_buffer_scale,1),i.uniform1f(u.u_fade_t,d.mix),i.uniform1f(u.u_opacity,d.opacity*e.paint["raster-opacity"]),i.uniform1i(u.u_image0,0),i.uniform1i(u.u_image1,1);var m=o.boundsBuffer||r.rasterBoundsBuffer,p=o.boundsVAO||r.rasterBoundsVAO;p.bind(i,u,m),i.drawArrays(i.TRIANGLE_STRIP,0,m.length)}function spinWeights(r){r*=Math.PI/180;var t=Math.sin(r),e=Math.cos(r);return[(2*e+1)/3,(-Math.sqrt(3)*t-e+1)/3,(Math.sqrt(3)*t-e+1)/3]}function contrastFactor(r){return r>0?1/(1-r):1+r}function saturationFactor(r){return r>0?1-1/(1.001-r):-r}function getFadeValues(r,t,e,a){var i=e.paint["raster-fade-duration"];if(r.sourceCache&&i>0){var o=Date.now(),n=(o-r.timeAdded)/i,u=t?(o-t.timeAdded)/i:-1,s=r.sourceCache.getSource(),c=a.coveringZoomLevel({tileSize:s.tileSize,roundZoom:s.roundZoom}),f=!t||Math.abs(t.coord.z-c)>Math.abs(r.coord.z-c),d=f&&r.refreshedUponExpiration?1:util.clamp(f?n:1-u,0,1);return r.refreshedUponExpiration&&n>=1&&(r.refreshedUponExpiration=!1),t?{opacity:1,mix:1-d}:{opacity:d,mix:0}}return{opacity:1,mix:0}}var util=require("../util/util");module.exports=drawRaster},{"../util/util":212}],74:[function(require,module,exports){"use strict";function drawSymbols(e,t,a,i){if(!e.isOpaquePass){var o=!(a.layout["text-allow-overlap"]||a.layout["icon-allow-overlap"]||a.layout["text-ignore-placement"]||a.layout["icon-ignore-placement"]),r=e.gl;o?r.disable(r.STENCIL_TEST):r.enable(r.STENCIL_TEST),e.setDepthSublayer(0),e.depthMask(!1),drawLayerSymbols(e,t,a,i,!1,a.paint["icon-translate"],a.paint["icon-translate-anchor"],a.layout["icon-rotation-alignment"],a.layout["icon-rotation-alignment"],a.layout["icon-size"]),drawLayerSymbols(e,t,a,i,!0,a.paint["text-translate"],a.paint["text-translate-anchor"],a.layout["text-rotation-alignment"],a.layout["text-pitch-alignment"],a.layout["text-size"]),t.map.showCollisionBoxes&&drawCollisionDebug(e,t,a,i)}}function drawLayerSymbols(e,t,a,i,o,r,n,l,s,u){if(o||!e.style.sprite||e.style.sprite.loaded()){var f=e.gl,m="map"===l,p="map"===s,c=p;c?f.enable(f.DEPTH_TEST):f.disable(f.DEPTH_TEST);for(var d,_,h=0,g=i;h<g.length;h+=1){var y=g[h],T=t.getTile(y),b=T.getBucket(a);if(b){var x=o?b.buffers.glyph:b.buffers.icon;if(x&&x.segments.length){var S=x.layerData[a.id],w=S.programConfiguration,v=o||b.sdfIcons;d&&b.fontstack===_||(d=e.useProgram(v?"symbolSDF":"symbolIcon",w),w.setUniforms(f,d,a,{zoom:e.transform.zoom}),setSymbolDrawState(d,e,o,v,m,p,b.fontstack,u,b.iconsNeedLinear,o?b.adjustedTextSize:b.adjustedIconSize)),e.enableTileClippingMask(y),f.uniformMatrix4fv(d.u_matrix,!1,e.translatePosMatrix(y.posMatrix,T,r,n)),drawTileSymbols(d,e,a,T,x,o,v,p,u),_=b.fontstack}}}c||f.enable(f.DEPTH_TEST)}}function setSymbolDrawState(e,t,a,i,o,r,n,l,s,u){var f=t.gl,m=t.transform;if(f.uniform1i(e.u_rotate_with_map,o),f.uniform1i(e.u_pitch_with_map,r),f.activeTexture(f.TEXTURE0),f.uniform1i(e.u_texture,0),a){var p=n&&t.glyphSource.getGlyphAtlas(n);if(!p)return;p.updateTexture(f),f.uniform2f(e.u_texsize,p.width/4,p.height/4)}else{var c=t.options.rotating||t.options.zooming,d=1!==l||browser.devicePixelRatio!==t.spriteAtlas.pixelRatio||s,_=r||m.pitch;t.spriteAtlas.bind(f,i||c||d||_),f.uniform2f(e.u_texsize,t.spriteAtlas.width/4,t.spriteAtlas.height/4)}f.activeTexture(f.TEXTURE1),t.frameHistory.bind(f),f.uniform1i(e.u_fadetexture,1);var h=Math.log(l/u)/Math.LN2||0;f.uniform1f(e.u_zoom,10*(m.zoom-h)),f.uniform1f(e.u_pitch,m.pitch/360*2*Math.PI),f.uniform1f(e.u_bearing,m.bearing/360*2*Math.PI),f.uniform1f(e.u_aspect_ratio,m.width/m.height)}function drawTileSymbols(e,t,a,i,o,r,n,l,s){var u=t.gl,f=t.transform,m=s/(r?24:1);if(l){var p=pixelsToTileUnits(i,m,f.zoom);u.uniform2f(e.u_extrude_scale,p,p)}else{var c=f.cameraToCenterDistance*m;u.uniform2f(e.u_extrude_scale,f.pixelsToGLUnits[0]*c,f.pixelsToGLUnits[1]*c)}if(n){var d=(r?"text":"icon")+"-halo-width",_=!a.isPaintValueFeatureConstant(d)||a.paint[d],h=m*(l?Math.cos(f._pitch):1)*f.cameraToCenterDistance;u.uniform1f(e.u_font_scale,m),u.uniform1f(e.u_gamma_scale,h),_&&(u.uniform1f(e.u_is_halo,1),drawSymbolElements(o,a,u,e)),u.uniform1f(e.u_is_halo,0)}drawSymbolElements(o,a,u,e)}function drawSymbolElements(e,t,a,i){for(var o=e.layerData[t.id],r=o&&o.paintVertexBuffer,n=0,l=e.segments;n<l.length;n+=1){var s=l[n];s.vaos[t.id].bind(a,i,e.layoutVertexBuffer,e.elementBuffer,r,s.vertexOffset),a.drawElements(a.TRIANGLES,3*s.primitiveLength,a.UNSIGNED_SHORT,3*s.primitiveOffset*2)}}var browser=require("../util/browser"),drawCollisionDebug=require("./draw_collision_debug"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=drawSymbols},{"../source/pixels_to_tile_units":87,"../util/browser":192,"./draw_collision_debug":68}],75:[function(require,module,exports){"use strict";var FrameHistory=function(){this.changeTimes=new Float64Array(256),this.changeOpacities=new Uint8Array(256),this.opacities=new Uint8ClampedArray(256),this.array=new Uint8Array(this.opacities.buffer),this.previousZoom=0,this.firstFrame=!0};FrameHistory.prototype.record=function(e,t,i){var r=this;this.firstFrame&&(e=0,this.firstFrame=!1),t=Math.floor(10*t);var a;if(t<this.previousZoom)for(a=t+1;a<=this.previousZoom;a++)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];else for(a=t;a>this.previousZoom;a--)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];for(a=0;a<256;a++){var s=e-r.changeTimes[a],o=255*(i?s/i:1);a<=t?r.opacities[a]=r.changeOpacities[a]+o:r.opacities[a]=r.changeOpacities[a]-o}this.changed=!0,this.previousZoom=t},FrameHistory.prototype.bind=function(e){this.texture?(e.bindTexture(e.TEXTURE_2D,this.texture),this.changed&&(e.texSubImage2D(e.TEXTURE_2D,0,0,0,256,1,e.ALPHA,e.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texImage2D(e.TEXTURE_2D,0,e.ALPHA,256,1,0,e.ALPHA,e.UNSIGNED_BYTE,this.array))},module.exports=FrameHistory},{}],76:[function(require,module,exports){"use strict";var util=require("../util/util"),LineAtlas=function(t,i){this.width=t,this.height=i,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}};LineAtlas.prototype.setSprite=function(t){this.sprite=t},LineAtlas.prototype.getDash=function(t,i){var e=t.join(",")+i;return this.positions[e]||(this.positions[e]=this.addDash(t,i)),this.positions[e]},LineAtlas.prototype.addDash=function(t,i){var e=this,h=i?7:0,s=2*h+1,a=128;if(this.nextRow+s>this.height)return util.warnOnce("LineAtlas out of space"),null;for(var r=0,n=0;n<t.length;n++)r+=t[n];for(var o=this.width/r,E=o/2,T=t.length%2===1,R=-h;R<=h;R++)for(var u=e.nextRow+h+R,d=e.width*u,l=T?-t[t.length-1]:0,x=t[0],A=1,_=0;_<this.width;_++){for(;x<_/o;)l=x,x+=t[A],T&&A===t.length-1&&(x+=t[0]),A++;var p=Math.abs(_-l*o),g=Math.abs(_-x*o),w=Math.min(p,g),D=A%2===1,U=void 0;if(i){var f=h?R/h*(E+1):0;if(D){var X=E-Math.abs(f);U=Math.sqrt(w*w+X*X)}else U=E-Math.sqrt(w*w+f*f)}else U=(D?1:-1)*w;e.data[3+4*(d+_)]=Math.max(0,Math.min(255,U+a))}var v={y:(this.nextRow+h+.5)/this.height,height:2*h/this.height,width:r};return this.nextRow+=s,this.dirty=!0,v},LineAtlas.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))},module.exports=LineAtlas},{"../util/util":212}],77:[function(require,module,exports){"use strict";var browser=require("../util/browser"),mat4=require("@mapbox/gl-matrix").mat4,FrameHistory=require("./frame_history"),SourceCache=require("../source/source_cache"),EXTENT=require("../data/extent"),pixelsToTileUnits=require("../source/pixels_to_tile_units"),util=require("../util/util"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),RasterBoundsArray=require("../data/raster_bounds_array"),PosArray=require("../data/pos_array"),ProgramConfiguration=require("../data/program_configuration"),shaders=require("./shaders"),draw={symbol:require("./draw_symbol"),circle:require("./draw_circle"),line:require("./draw_line"),fill:require("./draw_fill"),
"fill-extrusion":require("./draw_fill_extrusion"),raster:require("./draw_raster"),background:require("./draw_background"),debug:require("./draw_debug")},Painter=function(e,r){this.gl=e,this.transform=r,this.reusableTextures={tiles:{},viewport:null},this.preFbos={},this.frameHistory=new FrameHistory,this.setup(),this.numSublayers=SourceCache.maxUnderzooming+SourceCache.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE),this.basicFillProgramConfiguration=ProgramConfiguration.createStatic(["color","opacity"]),this.emptyProgramConfiguration=new ProgramConfiguration};Painter.prototype.resize=function(e,r){var t=this.gl;this.width=e*browser.devicePixelRatio,this.height=r*browser.devicePixelRatio,t.viewport(0,0,this.width,this.height)},Painter.prototype.setup=function(){var e=this.gl;e.verbose=!0,e.enable(e.BLEND),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA),e.enable(e.STENCIL_TEST),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),this._depthMask=!1,e.depthMask(!1);var r=new PosArray;r.emplaceBack(0,0),r.emplaceBack(EXTENT,0),r.emplaceBack(0,EXTENT),r.emplaceBack(EXTENT,EXTENT),this.tileExtentBuffer=Buffer.fromStructArray(r,Buffer.BufferType.VERTEX),this.tileExtentVAO=new VertexArrayObject,this.tileExtentPatternVAO=new VertexArrayObject;var t=new PosArray;t.emplaceBack(0,0),t.emplaceBack(EXTENT,0),t.emplaceBack(EXTENT,EXTENT),t.emplaceBack(0,EXTENT),t.emplaceBack(0,0),this.debugBuffer=Buffer.fromStructArray(t,Buffer.BufferType.VERTEX),this.debugVAO=new VertexArrayObject;var i=new RasterBoundsArray;i.emplaceBack(0,0,0,0),i.emplaceBack(EXTENT,0,32767,0),i.emplaceBack(0,EXTENT,0,32767),i.emplaceBack(EXTENT,EXTENT,32767,32767),this.rasterBoundsBuffer=Buffer.fromStructArray(i,Buffer.BufferType.VERTEX),this.rasterBoundsVAO=new VertexArrayObject},Painter.prototype.clearColor=function(){var e=this.gl;e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)},Painter.prototype.clearStencil=function(){var e=this.gl;e.clearStencil(0),e.stencilMask(255),e.clear(e.STENCIL_BUFFER_BIT)},Painter.prototype.clearDepth=function(){var e=this.gl;e.clearDepth(1),this.depthMask(!0),e.clear(e.DEPTH_BUFFER_BIT)},Painter.prototype._renderTileClippingMasks=function(e){var r=this,t=this.gl;t.colorMask(!1,!1,!1,!1),this.depthMask(!1),t.disable(t.DEPTH_TEST),t.enable(t.STENCIL_TEST),t.stencilMask(248),t.stencilOp(t.KEEP,t.KEEP,t.REPLACE);var i=1;this._tileClippingMaskIDs={};for(var a=0,s=e;a<s.length;a+=1){var o=s[a],n=r._tileClippingMaskIDs[o.id]=i++<<3;t.stencilFunc(t.ALWAYS,n,248);var l=r.useProgram("fill",r.basicFillProgramConfiguration);t.uniformMatrix4fv(l.u_matrix,!1,o.posMatrix),r.tileExtentVAO.bind(t,l,r.tileExtentBuffer),t.drawArrays(t.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}t.stencilMask(0),t.colorMask(!0,!0,!0,!0),this.depthMask(!0),t.enable(t.DEPTH_TEST)},Painter.prototype.enableTileClippingMask=function(e){var r=this.gl;r.stencilFunc(r.EQUAL,this._tileClippingMaskIDs[e.id],248)},Painter.prototype.prepareBuffers=function(){},Painter.prototype.bindDefaultFramebuffer=function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null)},Painter.prototype.render=function(e,r){if(this.style=e,this.options=r,this.lineAtlas=e.lineAtlas,this.spriteAtlas=e.spriteAtlas,this.spriteAtlas.setSprite(e.sprite),this.glyphSource=e.glyphSource,this.frameHistory.record(Date.now(),this.transform.zoom,e.getTransition().duration),this.prepareBuffers(),this.clearColor(),this.clearDepth(),this.showOverdrawInspector(r.showOverdrawInspector),this.depthRange=(e._order.length+2)*this.numSublayers*this.depthEpsilon,this.isOpaquePass=!0,this.renderPass(),this.isOpaquePass=!1,this.renderPass(),this.options.showTileBoundaries){var t=this.style.sourceCaches[Object.keys(this.style.sourceCaches)[0]];t&&draw.debug(this,t,t.getVisibleCoordinates())}},Painter.prototype.renderPass=function(){var e,r,t=this,i=this.style._order;this.currentLayer=this.isOpaquePass?i.length-1:0,this.isOpaquePass?this._showOverdrawInspector||this.gl.disable(this.gl.BLEND):this.gl.enable(this.gl.BLEND);for(var a=0;a<i.length;a++){var s=t.style._layers[i[t.currentLayer]];s.source!==(e&&e.id)&&(e=t.style.sourceCaches[s.source],r=[],e&&(e.prepare&&e.prepare(),t.clearStencil(),r=e.getVisibleCoordinates(),e.getSource().isTileClipped&&t._renderTileClippingMasks(r)),t.isOpaquePass||r.reverse()),t.renderLayer(t,e,s,r),t.currentLayer+=t.isOpaquePass?-1:1}},Painter.prototype.depthMask=function(e){e!==this._depthMask&&(this._depthMask=e,this.gl.depthMask(e))},Painter.prototype.renderLayer=function(e,r,t,i){t.isHidden(this.transform.zoom)||("background"===t.type||i.length)&&(this.id=t.id,draw[t.type](e,r,t,i))},Painter.prototype.setDepthSublayer=function(e){var r=1-((1+this.currentLayer)*this.numSublayers+e)*this.depthEpsilon,t=r-1+this.depthRange;this.gl.depthRange(t,r)},Painter.prototype.translatePosMatrix=function(e,r,t,i){if(!t[0]&&!t[1])return e;if("viewport"===i){var a=Math.sin(-this.transform.angle),s=Math.cos(-this.transform.angle);t=[t[0]*s-t[1]*a,t[0]*a+t[1]*s]}var o=[pixelsToTileUnits(r,t[0],this.transform.zoom),pixelsToTileUnits(r,t[1],this.transform.zoom),0],n=new Float32Array(16);return mat4.translate(n,e,o),n},Painter.prototype.saveTileTexture=function(e){var r=this.reusableTextures.tiles[e.size];r?r.push(e):this.reusableTextures.tiles[e.size]=[e]},Painter.prototype.saveViewportTexture=function(e){this.reusableTextures.viewport=e},Painter.prototype.getTileTexture=function(e){var r=this.reusableTextures.tiles[e];return r&&r.length>0?r.pop():null},Painter.prototype.getViewportTexture=function(e,r){var t=this.reusableTextures.viewport;if(t)return t.width===e&&t.height===r?t:(this.gl.deleteTexture(t),void(this.reusableTextures.viewport=null))},Painter.prototype.lineWidth=function(e){this.gl.lineWidth(util.clamp(e,this.lineWidthRange[0],this.lineWidthRange[1]))},Painter.prototype.showOverdrawInspector=function(e){if(e||this._showOverdrawInspector){this._showOverdrawInspector=e;var r=this.gl;if(e){r.blendFunc(r.CONSTANT_COLOR,r.ONE);var t=8,i=1/t;r.blendColor(i,i,i,0),r.clearColor(0,0,0,1),r.clear(r.COLOR_BUFFER_BIT)}else r.blendFunc(r.ONE,r.ONE_MINUS_SRC_ALPHA)}},Painter.prototype.createProgram=function(e,r){var t=this.gl,i=t.createProgram(),a=shaders[e],s="#define MAPBOX_GL_JS\n#define DEVICE_PIXEL_RATIO "+browser.devicePixelRatio.toFixed(1)+"\n";this._showOverdrawInspector&&(s+="#define OVERDRAW_INSPECTOR;\n");var o=r.applyPragmas(s+shaders.prelude.fragmentSource+a.fragmentSource,"fragment"),n=r.applyPragmas(s+shaders.prelude.vertexSource+a.vertexSource,"vertex"),l=t.createShader(t.FRAGMENT_SHADER);t.shaderSource(l,o),t.compileShader(l),t.attachShader(i,l);var h=t.createShader(t.VERTEX_SHADER);t.shaderSource(h,n),t.compileShader(h),t.attachShader(i,h),t.linkProgram(i);for(var u=t.getProgramParameter(i,t.ACTIVE_ATTRIBUTES),c={program:i,numAttributes:u},p=0;p<u;p++){var d=t.getActiveAttrib(i,p);c[d.name]=t.getAttribLocation(i,d.name)}for(var f=t.getProgramParameter(i,t.ACTIVE_UNIFORMS),g=0;g<f;g++){var m=t.getActiveUniform(i,g);c[m.name]=t.getUniformLocation(i,m.name)}return c},Painter.prototype._createProgramCached=function(e,r){this.cache=this.cache||{};var t=""+e+(r.cacheKey||"")+(this._showOverdrawInspector?"/overdraw":"");return this.cache[t]||(this.cache[t]=this.createProgram(e,r)),this.cache[t]},Painter.prototype.useProgram=function(e,r){var t=this.gl,i=this._createProgramCached(e,r||this.emptyProgramConfiguration);return this.currentProgram!==i&&(t.useProgram(i.program),this.currentProgram=i),i},module.exports=Painter},{"../data/buffer":51,"../data/extent":54,"../data/pos_array":57,"../data/program_configuration":58,"../data/raster_bounds_array":59,"../source/pixels_to_tile_units":87,"../source/source_cache":92,"../util/browser":192,"../util/util":212,"./draw_background":66,"./draw_circle":67,"./draw_debug":69,"./draw_fill":70,"./draw_fill_extrusion":71,"./draw_line":72,"./draw_raster":73,"./draw_symbol":74,"./frame_history":75,"./shaders":79,"./vertex_array_object":80,"@mapbox/gl-matrix":1}],78:[function(require,module,exports){"use strict";var pixelsToTileUnits=require("../source/pixels_to_tile_units");exports.prepare=function(r,t,i){var o=t.gl,e=t.spriteAtlas.getPosition(r.from,!0),_=t.spriteAtlas.getPosition(r.to,!0);e&&_&&(o.uniform1i(i.u_image,0),o.uniform2fv(i.u_pattern_tl_a,e.tl),o.uniform2fv(i.u_pattern_br_a,e.br),o.uniform2fv(i.u_pattern_tl_b,_.tl),o.uniform2fv(i.u_pattern_br_b,_.br),o.uniform1f(i.u_mix,r.t),o.uniform2fv(i.u_pattern_size_a,e.size),o.uniform2fv(i.u_pattern_size_b,_.size),o.uniform1f(i.u_scale_a,r.fromScale),o.uniform1f(i.u_scale_b,r.toScale),o.activeTexture(o.TEXTURE0),t.spriteAtlas.bind(o,!0))},exports.setTile=function(r,t,i){var o=t.gl;o.uniform1f(i.u_tile_units_to_pixels,1/pixelsToTileUnits(r,1,t.transform.tileZoom));var e=Math.pow(2,r.coord.z),_=r.tileSize*Math.pow(2,t.transform.tileZoom)/e,u=_*(r.coord.x+r.coord.w*e),n=_*r.coord.y;o.uniform2f(i.u_pixel_coord_upper,u>>16,n>>16),o.uniform2f(i.u_pixel_coord_lower,65535&u,65535&n)}},{"../source/pixels_to_tile_units":87}],79:[function(require,module,exports){"use strict";var path=require("path");module.exports={prelude:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n\n#if !defined(lowp)\n#define lowp\n#endif\n\n#if !defined(mediump)\n#define mediump\n#endif\n\n#if !defined(highp)\n#define highp\n#endif\n\n#endif\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n\n#if !defined(lowp)\n#define lowp\n#endif\n\n#if !defined(mediump)\n#define mediump\n#endif\n\n#if !defined(highp)\n#define highp\n#endif\n\n#endif\n\nfloat evaluate_zoom_function_1(const vec4 values, const float t) {\n    if (t < 1.0) {\n        return mix(values[0], values[1], t);\n    } else if (t < 2.0) {\n        return mix(values[1], values[2], t - 1.0);\n    } else {\n        return mix(values[2], values[3], t - 2.0);\n    }\n}\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n    if (t < 1.0) {\n        return mix(value0, value1, t);\n    } else if (t < 2.0) {\n        return mix(value1, value2, t - 1.0);\n    } else {\n        return mix(value2, value3, t - 2.0);\n    }\n}\n\n\n// To minimize the number of attributes needed in the mapbox-gl-native shaders,\n// we encode a 4-component color into a pair of floats (i.e. a vec2) as follows:\n// [ floor(color.r * 255) * 256 + color.g * 255,\n//   floor(color.b * 255) * 256 + color.g * 255 ]\nvec4 decode_color(const vec2 encodedColor) {\n    float r = floor(encodedColor[0]/256.0)/255.0;\n    float g = (encodedColor[0] - r*256.0*255.0)/255.0;\n    float b = floor(encodedColor[1]/256.0)/255.0;\n    float a = (encodedColor[1] - b*256.0*255.0)/255.0;\n    return vec4(r, g, b, a);\n}\n\n// Unpack a pair of paint values and interpolate between them.\nfloat unpack_mix_vec2(const vec2 packedValue, const float t) {\n    return mix(packedValue[0], packedValue[1], t);\n}\n\n// Unpack a pair of paint values and interpolate between them.\nvec4 unpack_mix_vec4(const vec4 packedColors, const float t) {\n    vec4 minColor = decode_color(vec2(packedColors[0], packedColors[1]));\n    vec4 maxColor = decode_color(vec2(packedColors[2], packedColors[3]));\n    return mix(minColor, maxColor, t);\n}\n\n// The offset depends on how many pixels are between the world origin and the edge of the tile:\n// vec2 offset = mod(pixel_coord, size)\n//\n// At high zoom levels there are a ton of pixels between the world origin and the edge of the tile.\n// The glsl spec only guarantees 16 bits of precision for highp floats. We need more than that.\n//\n// The pixel_coord is passed in as two 16 bit values:\n// pixel_coord_upper = floor(pixel_coord / 2^16)\n// pixel_coord_lower = mod(pixel_coord, 2^16)\n//\n// The offset is calculated in a series of steps that should preserve this precision:\nvec2 get_pattern_pos(const vec2 pixel_coord_upper, const vec2 pixel_coord_lower,\n    const vec2 pattern_size, const float tile_units_to_pixels, const vec2 pos) {\n\n    vec2 offset = mod(mod(mod(pixel_coord_upper, pattern_size) * 256.0, pattern_size) * 256.0 + pixel_coord_lower, pattern_size);\n    return (tile_units_to_pixels * pos + offset) / pattern_size;\n}\n"},circle:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize mediump float radius\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp vec4 stroke_color\n    #pragma mapbox: initialize mediump float stroke_width\n    #pragma mapbox: initialize lowp float stroke_opacity\n\n    float extrude_length = length(v_extrude);\n    float antialiased_blur = -max(blur, v_antialiasblur);\n\n    float opacity_t = smoothstep(0.0, antialiased_blur, extrude_length - 1.0);\n\n    float color_t = stroke_width < 0.01 ? 0.0 : smoothstep(\n        antialiased_blur,\n        0.0,\n        extrude_length - radius / (radius + stroke_width)\n    );\n\n    gl_FragColor = opacity_t * mix(color * opacity, stroke_color * stroke_opacity, color_t);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform bool u_scale_with_map;\nuniform vec2 u_extrude_scale;\n\nattribute vec2 a_pos;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main(void) {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize mediump float radius\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp vec4 stroke_color\n    #pragma mapbox: initialize mediump float stroke_width\n    #pragma mapbox: initialize lowp float stroke_opacity\n\n    // unencode the extrusion vector that we snuck into the a_pos vector\n    v_extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n    vec2 extrude = v_extrude * (radius + stroke_width) * u_extrude_scale;\n    // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n    // in extrusion data\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5), 0, 1);\n\n    if (u_scale_with_map) {\n        gl_Position.xy += extrude;\n    } else {\n        gl_Position.xy += extrude * gl_Position.w;\n    }\n\n    // This is a minimum blur distance that serves as a faux-antialiasing for\n    // the circle. since blur is a ratio of the circle's size and the intent is\n    // to keep the blur at roughly 1px, the two are inversely related.\n    v_antialiasblur = 1.0 / DEVICE_PIXEL_RATIO / (radius + stroke_width);\n}\n"},collisionBox:{fragmentSource:"uniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n    float alpha = 0.5;\n\n    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n    if (v_placement_zoom > u_zoom) {\n        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n    }\n\n    if (u_zoom >= v_max_zoom) {\n        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n    }\n\n    if (v_placement_zoom >= u_maxzoom) {\n        gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n    }\n}\n",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n    v_max_zoom = a_data.x;\n    v_placement_zoom = a_data.y;\n}\n"},debug:{fragmentSource:"uniform lowp vec4 u_color;\n\nvoid main() {\n    gl_FragColor = u_color;\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, step(32767.0, a_pos.x), 1);\n}\n"},fill:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_FragColor = color * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n}\n"},fillOutline:{fragmentSource:"#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n    gl_FragColor = outline_color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillOutlinePattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    // find distance to outline for alpha interpolation\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, dist);\n\n\n    gl_FragColor = mix(color1, color2, u_mix) * alpha * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_world;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    gl_FragColor = mix(color1, color2, u_mix) * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n}\n"},fillExtrusion:{fragmentSource:"varying vec4 v_color;\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\n\n    gl_FragColor = v_color;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec4 v_color;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\n\n    float ed = a_edgedistance; // use each attrib in order to not trip a VAO assert\n    float t = mod(a_normal.x, 2.0);\n\n    gl_Position = u_matrix * vec4(a_pos, t > 0.0 ? height : base, 1);\n\n    // Relative luminance (how dark/bright is the surface color?)\n    float colorvalue = color.r * 0.2126 + color.g * 0.7152 + color.b * 0.0722;\n\n    v_color = vec4(0.0, 0.0, 0.0, 1.0);\n\n    // Add slight ambient lighting so no extrusions are totally black\n    vec4 ambientlight = vec4(0.03, 0.03, 0.03, 1.0);\n    color += ambientlight;\n\n    // Calculate cos(theta), where theta is the angle between surface normal and diffuse light ray\n    float directional = clamp(dot(a_normal / 16384.0, u_lightpos), 0.0, 1.0);\n\n    // Adjust directional so that\n    // the range of values for highlight/shading is narrower\n    // with lower light intensity\n    // and with lighter/brighter surface colors\n    directional = mix((1.0 - u_lightintensity), max((1.0 - colorvalue + u_lightintensity), 1.0), directional);\n\n    // Add gradient along z axis of side surfaces\n    if (a_normal.y != 0.0) {\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n    }\n\n    // Assign final color based on surface + ambient light color, diffuse light directional, and light color\n    // with lower bounds adjusted to hue of light\n    // so that shading is tinted with the complementary (opposite) color to the light color\n    v_color.r += clamp(color.r * directional * u_lightcolor.r, mix(0.0, 0.3, 1.0 - u_lightcolor.r), 1.0);\n    v_color.g += clamp(color.g * directional * u_lightcolor.g, mix(0.0, 0.3, 1.0 - u_lightcolor.g), 1.0);\n    v_color.b += clamp(color.b * directional * u_lightcolor.b, mix(0.0, 0.3, 1.0 - u_lightcolor.b), 1.0);\n}\n"},fillExtrusionPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n\n    vec2 imagecoord = mod(v_pos_a, 1.0);\n    vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n    vec4 color1 = texture2D(u_image, pos);\n\n    vec2 imagecoord_b = mod(v_pos_b, 1.0);\n    vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n    vec4 color2 = texture2D(u_image, pos2);\n\n    vec4 mixedColor = mix(color1, color2, u_mix);\n\n    gl_FragColor = mixedColor * v_lighting;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\nuniform float u_height_factor;\n\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\nvarying float v_directional;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n\n    float t = mod(a_normal.x, 2.0);\n    float z = t > 0.0 ? height : base;\n\n    gl_Position = u_matrix * vec4(a_pos, z, 1);\n\n    vec2 pos = a_normal.x == 1.0 && a_normal.y == 0.0 && a_normal.z == 16384.0\n        ? a_pos // extrusion top\n        : vec2(a_edgedistance, z * u_height_factor); // extrusion side\n\n    v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, pos);\n    v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, pos);\n\n    v_lighting = vec4(0.0, 0.0, 0.0, 1.0);\n    float directional = clamp(dot(a_normal / 16383.0, u_lightpos), 0.0, 1.0);\n    directional = mix((1.0 - u_lightintensity), max((0.5 + u_lightintensity), 1.0), directional);\n\n    if (a_normal.y != 0.0) {\n        directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n    }\n\n    v_lighting.rgb += clamp(directional * u_lightcolor, mix(vec3(0.0), vec3(0.3), 1.0 - u_lightcolor), vec3(1.0));\n}\n"},extrusionTexture:{fragmentSource:"uniform sampler2D u_texture;\nuniform float u_opacity;\n\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_FragColor = texture2D(u_texture, v_pos) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(0.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform int u_xdim;\nuniform int u_ydim;\nattribute vec2 a_pos;\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos.x = a_pos.x / float(u_xdim);\n    v_pos.y = 1.0 - a_pos.y / float(u_ydim);\n}\n"},line:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_width2;\nvarying vec2 v_normal;\nvarying float v_gamma_scale;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_width2.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_width2.t) or when fading out\n    // (v_width2.s)\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n    gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",
vertexSource:"\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_width;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize mediump float gapwidth\n    #pragma mapbox: initialize lowp float offset\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n\n    // these transformations used to be applied in the JS and native code bases. \n    // moved them into the shader for clarity and simplicity. \n    gapwidth = gapwidth / 2.0;\n    float width = u_width / 2.0;\n    offset = -1.0 * offset; \n\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\n\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n    // calculate how much the perspective view squishes or stretches the extrude\n    float extrude_length_without_perspective = length(dist);\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n    v_width2 = vec2(outset, inset);\n}\n"},linePattern:{fragmentSource:"uniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_fade;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_width2.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_width2.t) or when fading out\n    // (v_width2.s)\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n    float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n    float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n    float y_a = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_a.y);\n    float y_b = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_b.y);\n    vec2 pos_a = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a));\n    vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b));\n\n    vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n    gl_FragColor = color * alpha * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_width;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float gapwidth\n\nvoid main() {\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp float offset\n    #pragma mapbox: initialize mediump float gapwidth\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    // these transformations used to be applied in the JS and native code bases. \n    // moved them into the shader for clarity and simplicity. \n    gapwidth = gapwidth / 2.0;\n    float width = u_width / 2.0;\n    offset = -1.0 * offset; \n\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist = outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\n\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n    // calculate how much the perspective view squishes or stretches the extrude\n    float extrude_length_without_perspective = length(dist);\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n    v_linesofar = a_linesofar;\n    v_width2 = vec2(outset, inset);\n}\n"},lineSDF:{fragmentSource:"\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_width2.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_width2.t) or when fading out\n    // (v_width2.s)\n    float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n    float sdfdist_a = texture2D(u_image, v_tex_a).a;\n    float sdfdist_b = texture2D(u_image, v_tex_b).a;\n    float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n    alpha *= smoothstep(0.5 - u_sdfgamma, 0.5 + u_sdfgamma, sdfdist);\n\n    gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform vec2 u_gl_units_to_pixels;\nuniform mediump float u_width;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n    #pragma mapbox: initialize lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize mediump float gapwidth\n    #pragma mapbox: initialize lowp float offset\n\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n    float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\n    // these transformations used to be applied in the JS and native code bases. \n    // moved them into the shader for clarity and simplicity. \n    gapwidth = gapwidth / 2.0;\n    float width = u_width / 2.0;\n    offset = -1.0 * offset;\n \n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n    // Scale the extrusion vector down to a normal and then up by the line width\n    // of this vertex.\n    mediump vec2 dist =outset * a_extrude * scale;\n\n    // Calculate the offset when drawing a line that is to the side of the actual line.\n    // We do this by creating a vector that points towards the extrude, but rotate\n    // it when we're drawing round end points (a_direction = -1 or 1) since their\n    // extrude vector points in another direction.\n    mediump float u = 0.5 * a_direction;\n    mediump float t = 1.0 - abs(u);\n    mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\n\n    vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n    gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n    // calculate how much the perspective view squishes or stretches the extrude\n    float extrude_length_without_perspective = length(dist);\n    float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n    v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n    v_tex_a = vec2(a_linesofar * u_patternscale_a.x, normal.y * u_patternscale_a.y + u_tex_y_a);\n    v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n    v_width2 = vec2(outset, inset);\n}\n"},raster:{fragmentSource:"uniform float u_fade_t;\nuniform float u_opacity;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n    // read and cross-fade colors from the main and parent tiles\n    vec4 color0 = texture2D(u_image0, v_pos0);\n    vec4 color1 = texture2D(u_image1, v_pos1);\n    vec4 color = mix(color0, color1, u_fade_t);\n    color.a *= u_opacity;\n    vec3 rgb = color.rgb;\n\n    // spin\n    rgb = vec3(\n        dot(rgb, u_spin_weights.xyz),\n        dot(rgb, u_spin_weights.zxy),\n        dot(rgb, u_spin_weights.yzx));\n\n    // saturation\n    float average = (color.r + color.g + color.b) / 3.0;\n    rgb += (average - rgb) * u_saturation_factor;\n\n    // contrast\n    rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n    // brightness\n    vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n    vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n    gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb) * color.a, color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    v_pos0 = (((a_texture_pos / 32767.0) - 0.5) / u_buffer_scale ) + 0.5;\n    v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},symbolIcon:{fragmentSource:"uniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\n\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * opacity;\n    gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"\nattribute vec4 a_pos_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n#pragma mapbox: define lowp float opacity\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    #pragma mapbox: initialize lowp float opacity\n\n    vec2 a_pos = a_pos_offset.xy;\n    vec2 a_offset = a_pos_offset.zw;\n\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n    if (u_rotate_with_map) {\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    } else {\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},symbolSDF:{fragmentSource:"#define SDF_PX 8.0\n#define EDGE_GAMMA 0.105/DEVICE_PIXEL_RATIO\n\nuniform bool u_is_halo;\n#pragma mapbox: define lowp vec4 fill_color\n#pragma mapbox: define lowp vec4 halo_color\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float halo_width\n#pragma mapbox: define lowp float halo_blur\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp float u_font_scale;\nuniform highp float u_gamma_scale;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 fill_color\n    #pragma mapbox: initialize lowp vec4 halo_color\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp float halo_width\n    #pragma mapbox: initialize lowp float halo_blur\n\n    lowp vec4 color = fill_color;\n    highp float gamma = EDGE_GAMMA / u_gamma_scale;\n    lowp float buff = (256.0 - 64.0) / 256.0;\n    if (u_is_halo) {\n        color = halo_color;\n        gamma = (halo_blur * 1.19 / SDF_PX + EDGE_GAMMA) / u_gamma_scale;\n        buff = (6.0 - halo_width / u_font_scale) / SDF_PX;\n    }\n\n    lowp float dist = texture2D(u_texture, v_tex).a;\n    lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n    highp float gamma_scaled = gamma * v_gamma_scale;\n    highp float alpha = smoothstep(buff - gamma_scaled, buff + gamma_scaled, dist) * fade_alpha;\n\n    gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"const float PI = 3.141592653589793;\n\nattribute vec4 a_pos_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n#pragma mapbox: define lowp vec4 fill_color\n#pragma mapbox: define lowp vec4 halo_color\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float halo_width\n#pragma mapbox: define lowp float halo_blur\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform bool u_pitch_with_map;\nuniform mediump float u_pitch;\nuniform mediump float u_bearing;\nuniform mediump float u_aspect_ratio;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 fill_color\n    #pragma mapbox: initialize lowp vec4 halo_color\n    #pragma mapbox: initialize lowp float opacity\n    #pragma mapbox: initialize lowp float halo_width\n    #pragma mapbox: initialize lowp float halo_blur\n\n    vec2 a_pos = a_pos_offset.xy;\n    vec2 a_offset = a_pos_offset.zw;\n\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    // pitch-alignment: map\n    // rotation-alignment: map | viewport\n    if (u_pitch_with_map) {\n        lowp float angle = u_rotate_with_map ? (a_data[1] / 256.0 * 2.0 * PI) : u_bearing;\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, asin, -1.0 * asin, acos);\n        vec2 offset = RotationMatrix * a_offset;\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: map\n    } else if (u_rotate_with_map) {\n        // foreshortening factor to apply on pitched maps\n        // as a label goes from horizontal <=> vertical in angle\n        // it goes from 0% foreshortening to up to around 70% foreshortening\n        lowp float pitchfactor = 1.0 - cos(u_pitch * sin(u_pitch * 0.75));\n\n        lowp float lineangle = a_data[1] / 256.0 * 2.0 * PI;\n\n        // use the lineangle to position points a,b along the line\n        // project the points and calculate the label angle in projected space\n        // this calculation allows labels to be rendered unskewed on pitched maps\n        vec4 a = u_matrix * vec4(a_pos, 0, 1);\n        vec4 b = u_matrix * vec4(a_pos + vec2(cos(lineangle),sin(lineangle)), 0, 1);\n        lowp float angle = atan((b[1]/b[3] - a[1]/a[3])/u_aspect_ratio, b[0]/b[3] - a[0]/a[3]);\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, -1.0 * asin, asin, acos);\n\n        vec2 offset = RotationMatrix * (vec2((1.0-pitchfactor)+(pitchfactor*cos(angle*2.0)), 1.0) * a_offset);\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: viewport\n    } else {\n        vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_gamma_scale = gl_Position.w;\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"}}},{path:23}],80:[function(require,module,exports){"use strict";var VertexArrayObject=function(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundElementBuffer=null,this.boundVertexOffset=null,this.vao=null};VertexArrayObject.prototype.bind=function(e,t,r,i,n,o){void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension("OES_vertex_array_object"));var s=!this.vao||this.boundProgram!==t||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==n||this.boundElementBuffer!==i||this.boundVertexOffset!==o;!e.extVertexArrayObject||s?(this.freshBind(e,t,r,i,n,o),this.gl=e):e.extVertexArrayObject.bindVertexArrayOES(this.vao)},VertexArrayObject.prototype.freshBind=function(e,t,r,i,n,o){var s,u=t.numAttributes;if(e.extVertexArrayObject)this.vao&&this.destroy(),this.vao=e.extVertexArrayObject.createVertexArrayOES(),e.extVertexArrayObject.bindVertexArrayOES(this.vao),s=0,this.boundProgram=t,this.boundVertexBuffer=r,this.boundVertexBuffer2=n,this.boundElementBuffer=i,this.boundVertexOffset=o;else{s=e.currentNumAttributes||0;for(var b=u;b<s;b++)e.disableVertexAttribArray(b)}for(var a=s;a<u;a++)e.enableVertexAttribArray(a);r.bind(e),r.setVertexAttribPointers(e,t,o),n&&(n.bind(e),n.setVertexAttribPointers(e,t,o)),i&&i.bind(e),e.currentNumAttributes=u},VertexArrayObject.prototype.destroy=function(){this.vao&&(this.gl.extVertexArrayObject.deleteVertexArrayOES(this.vao),this.vao=null)},module.exports=VertexArrayObject},{}],81:[function(require,module,exports){"use strict";var ImageSource=require("./image_source"),window=require("../util/window"),CanvasSource=function(t){function i(i,a,s,n){t.call(this,i,a,s,n),this.options=a,this.animate=!a.hasOwnProperty("animate")||a.animate}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.load=function(){if(this.canvas=this.canvas||window.document.getElementById(this.options.canvas),this.width=this.canvas.width,this.height=this.canvas.height,this._hasInvalidDimensions())return this.fire("error",new Error("Canvas dimensions cannot be less than or equal to zero."));var t;this.play=function(){t=this.map.style.animationLoop.set(1/0),this.map._rerender()},this.pause=function(){this.map.style.animationLoop.cancel(t)},this._finishLoading()},i.prototype.getCanvas=function(){return this.canvas},i.prototype.onAdd=function(t){this.map||(this.map=t,this.load(),this.canvas&&this.animate&&this.play())},i.prototype.prepare=function(){var t=!1;this.canvas.width!==this.width&&(this.width=this.canvas.width,t=!0),this.canvas.height!==this.height&&(this.height=this.canvas.height,t=!0),this._hasInvalidDimensions()||this.tile&&this._prepareImage(this.map.painter.gl,this.canvas,t)},i.prototype.serialize=function(){return{type:"canvas",canvas:this.canvas,coordinates:this.coordinates}},i.prototype._hasInvalidDimensions=function(){for(var t=this,i=0,a=[t.canvas.width,t.canvas.height];i<a.length;i+=1){var s=a[i];if(isNaN(s)||s<=0)return!0}return!1},i}(ImageSource);module.exports=CanvasSource},{"../util/window":194,"./image_source":85}],82:[function(require,module,exports){"use strict";function resolveURL(t){var e=window.document.createElement("a");return e.href=t,e.href}var Evented=require("../util/evented"),util=require("../util/util"),window=require("../util/window"),EXTENT=require("../data/extent"),GeoJSONSource=function(t){function e(e,o,i,r){t.call(this),o=o||{},this.id=e,this.type="geojson",this.minzoom=0,this.maxzoom=18,this.tileSize=512,this.isTileClipped=!0,this.reparseOverscaled=!0,this.dispatcher=i,this.setEventedParent(r),this._data=o.data,void 0!==o.maxzoom&&(this.maxzoom=o.maxzoom),o.type&&(this.type=o.type);var a=EXTENT/this.tileSize;this.workerOptions=util.extend({source:this.id,cluster:o.cluster||!1,geojsonVtOptions:{buffer:(void 0!==o.buffer?o.buffer:128)*a,tolerance:(void 0!==o.tolerance?o.tolerance:.375)*a,extent:EXTENT,maxZoom:this.maxzoom},superclusterOptions:{maxZoom:Math.min(o.clusterMaxZoom,this.maxzoom-1)||this.maxzoom-1,extent:EXTENT,radius:(o.clusterRadius||50)*a,log:!1}},o.workerOptions)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.load=function(){var t=this;this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(e){return e?void t.fire("error",{error:e}):void t.fire("data",{dataType:"source",sourceDataType:"metadata"})})},e.prototype.onAdd=function(t){this.load(),this.map=t},e.prototype.setData=function(t){var e=this;return this._data=t,this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?e.fire("error",{error:t}):void e.fire("data",{dataType:"source",sourceDataType:"content"})}),this},e.prototype._updateWorkerData=function(t){var e=this,o=util.extend({},this.workerOptions),i=this._data;"string"==typeof i?o.url=resolveURL(i):o.data=JSON.stringify(i),this.workerID=this.dispatcher.send(this.type+".loadData",o,function(o){e._loaded=!0,t(o)})},e.prototype.loadTile=function(t,e){var o=this,i=t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,r={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:i,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("loadTile",r,function(i,r){if(t.unloadVectorData(),!t.aborted)return i?e(i):(t.loadVectorData(r,o.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(o)),e(null))},this.workerID)},e.prototype.abortTile=function(t){t.aborted=!0},e.prototype.unloadTile=function(t){t.unloadVectorData(),this.dispatcher.send("removeTile",{uid:t.uid,type:this.type,source:this.id},function(){},t.workerID)},e.prototype.onRemove=function(){this.dispatcher.broadcast("removeSource",{type:this.type,source:this.id},function(){})},e.prototype.serialize=function(){return{type:this.type,data:this._data}},e}(Evented);module.exports=GeoJSONSource},{"../data/extent":54,"../util/evented":200,"../util/util":212,"../util/window":194}],83:[function(require,module,exports){"use strict";var ajax=require("../util/ajax"),rewind=require("geojson-rewind"),GeoJSONWrapper=require("./geojson_wrapper"),vtpbf=require("vt-pbf"),supercluster=require("supercluster"),geojsonvt=require("geojson-vt"),VectorTileWorkerSource=require("./vector_tile_worker_source"),GeoJSONWorkerSource=function(e){function r(r,t,o){e.call(this,r,t),o&&(this.loadGeoJSON=o),this._geoJSONIndexes={}}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.loadVectorData=function(e,r){var t=e.source,o=e.coord;if(!this._geoJSONIndexes[t])return r(null,null);var n=this._geoJSONIndexes[t].getTile(Math.min(o.z,e.maxZoom),o.x,o.y);if(!n)return r(null,null);var u=new GeoJSONWrapper(n.features);u.name="_geojsonTileLayer";var a=vtpbf({layers:{_geojsonTileLayer:u}});0===a.byteOffset&&a.byteLength===a.buffer.byteLength||(a=new Uint8Array(a)),u.rawData=a.buffer,r(null,u)},r.prototype.loadData=function(e,r){var t=function(t,o){var n=this;return t?r(t):"object"!=typeof o?r(new Error("Input data is not a valid GeoJSON object.")):(rewind(o,!0),void this._indexData(o,e,function(t,o){return t?r(t):(n._geoJSONIndexes[e.source]=o,void r(null))}))}.bind(this);this.loadGeoJSON(e,t)},r.prototype.loadGeoJSON=function(e,r){if(e.url)ajax.getJSON(e.url,r);else{if("string"!=typeof e.data)return r(new Error("Input data is not a valid GeoJSON object."));try{return r(null,JSON.parse(e.data))}catch(e){return r(new Error("Input data is not a valid GeoJSON object."))}}},r.prototype.removeSource=function(e){this._geoJSONIndexes[e.source]&&delete this._geoJSONIndexes[e.source]},r.prototype._indexData=function(e,r,t){try{r.cluster?t(null,supercluster(r.superclusterOptions).load(e.features)):t(null,geojsonvt(e,r.geojsonVtOptions))}catch(e){return t(e)}},r}(VectorTileWorkerSource);module.exports=GeoJSONWorkerSource},{"../util/ajax":191,"./geojson_wrapper":84,"./vector_tile_worker_source":96,"geojson-rewind":7,"geojson-vt":11,supercluster:29,"vt-pbf":38}],84:[function(require,module,exports){"use strict";var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature,EXTENT=require("../data/extent"),FeatureWrapper=function(e){var t=this;if(this.type=e.type,1===e.type){this.rawGeometry=[];for(var r=0;r<e.geometry.length;r++)t.rawGeometry.push([e.geometry[r]])}else this.rawGeometry=e.geometry;this.properties=e.tags,"id"in e&&(this.id=e.id),this.extent=EXTENT};FeatureWrapper.prototype.loadGeometry=function(){var e=this,t=this.rawGeometry;this.geometry=[];for(var r=0;r<t.length;r++){for(var o=t[r],a=[],i=0;i<o.length;i++)a.push(new Point(o[i][0],o[i][1]));e.geometry.push(a)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],h=0;h<p.length;h++){
var n=p[h];t=Math.min(t,n.x),r=Math.max(r,n.x),o=Math.min(o,n.y),a=Math.max(a,n.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=function(){VectorTileFeature.prototype.toGeoJSON.call(this)};var GeoJSONWrapper=function(e){this.features=e,this.length=e.length,this.extent=EXTENT};GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},module.exports=GeoJSONWrapper},{"../data/extent":54,"point-geometry":26,"vector-tile":34}],85:[function(require,module,exports){"use strict";var util=require("../util/util"),window=require("../util/window"),TileCoord=require("./tile_coord"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Evented=require("../util/evented"),ajax=require("../util/ajax"),EXTENT=require("../data/extent"),RasterBoundsArray=require("../data/raster_bounds_array"),Buffer=require("../data/buffer"),VertexArrayObject=require("../render/vertex_array_object"),ImageSource=function(t){function e(e,o,r,i){t.call(this),this.id=e,this.dispatcher=r,this.coordinates=o.coordinates,this.type="image",this.minzoom=0,this.maxzoom=22,this.tileSize=512,this.setEventedParent(i),this.options=o}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.load=function(){var t=this;this.fire("dataloading",{dataType:"source"}),this.url=this.options.url,ajax.getImage(this.options.url,function(e,o){return e?t.fire("error",{error:e}):(t.image=o,void t._finishLoading())})},e.prototype._finishLoading=function(){this.map&&(this.setCoordinates(this.coordinates),this.fire("data",{dataType:"source",sourceDataType:"metadata"}))},e.prototype.onAdd=function(t){this.load(),this.map=t,this.image&&this.setCoordinates(this.coordinates)},e.prototype.setCoordinates=function(t){this.coordinates=t;var e=this.map,o=t.map(function(t){return e.transform.locationCoordinate(LngLat.convert(t)).zoomTo(0)}),r=this.centerCoord=util.getCoordinatesCenter(o);return r.column=Math.round(r.column),r.row=Math.round(r.row),this.minzoom=this.maxzoom=r.zoom,this.coord=new TileCoord(r.zoom,r.column,r.row),this._tileCoords=o.map(function(t){var e=t.zoomTo(r.zoom);return new Point(Math.round((e.column-r.column)*EXTENT),Math.round((e.row-r.row)*EXTENT))}),this.fire("data",{dataType:"source",sourceDataType:"content"}),this},e.prototype._setTile=function(t){this.tile=t;var e=32767,o=new RasterBoundsArray;o.emplaceBack(this._tileCoords[0].x,this._tileCoords[0].y,0,0),o.emplaceBack(this._tileCoords[1].x,this._tileCoords[1].y,e,0),o.emplaceBack(this._tileCoords[3].x,this._tileCoords[3].y,0,e),o.emplaceBack(this._tileCoords[2].x,this._tileCoords[2].y,e,e),this.tile.buckets={},this.tile.boundsBuffer=Buffer.fromStructArray(o,Buffer.BufferType.VERTEX),this.tile.boundsVAO=new VertexArrayObject},e.prototype.prepare=function(){this.tile&&this.image&&this._prepareImage(this.map.painter.gl,this.image)},e.prototype._prepareImage=function(t,e,o){"loaded"!==this.tile.state?(this.tile.state="loaded",this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,e)):o?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,e):(e instanceof window.HTMLVideoElement||e instanceof window.ImageData||e instanceof window.HTMLCanvasElement)&&(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,e))},e.prototype.loadTile=function(t,e){this.coord&&this.coord.toString()===t.coord.toString()?(this._setTile(t),e(null)):(t.state="errored",e(null))},e.prototype.serialize=function(){return{type:"image",urls:this.url,coordinates:this.coordinates}},e}(Evented);module.exports=ImageSource},{"../data/buffer":51,"../data/extent":54,"../data/raster_bounds_array":59,"../geo/lng_lat":62,"../render/vertex_array_object":80,"../util/ajax":191,"../util/evented":200,"../util/util":212,"../util/window":194,"./tile_coord":94,"point-geometry":26}],86:[function(require,module,exports){"use strict";var util=require("../util/util"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSourceURL;module.exports=function(r,e){var i=function(r,i){if(r)return e(r);var o=util.pick(i,["tiles","minzoom","maxzoom","attribution","mapbox_logo"]);i.vector_layers&&(o.vectorLayers=i.vector_layers,o.vectorLayerIds=o.vectorLayers.map(function(r){return r.id})),e(null,o)};r.url?ajax.getJSON(normalizeURL(r.url),i):browser.frame(i.bind(null,null,r))}},{"../util/ajax":191,"../util/browser":192,"../util/mapbox":208,"../util/util":212}],87:[function(require,module,exports){"use strict";var EXTENT=require("../data/extent");module.exports=function(e,t,r){return t*(EXTENT/(e.tileSize*Math.pow(2,r-e.coord.z)))}},{"../data/extent":54}],88:[function(require,module,exports){"use strict";function sortTilesIn(e,r){var o=e.coord,t=r.coord;return o.z-t.z||o.y-t.y||o.w-t.w||o.x-t.x}function mergeRenderedFeatureLayers(e){for(var r=e[0]||{},o=1;o<e.length;o++){var t=e[o];for(var n in t){var a=t[n],i=r[n];if(void 0===i)i=r[n]=a;else for(var u=0;u<a.length;u++)i.push(a[u])}}return r}var TileCoord=require("./tile_coord");exports.rendered=function(e,r,o,t,n,a){var i=e.tilesIn(o);i.sort(sortTilesIn);for(var u=[],s=0;s<i.length;s++){var d=i[s];d.tile.featureIndex&&u.push(d.tile.featureIndex.query({queryGeometry:d.queryGeometry,scale:d.scale,tileSize:d.tile.tileSize,bearing:a,params:t},r))}return mergeRenderedFeatureLayers(u)},exports.source=function(e,r){for(var o=e.getRenderableIds().map(function(r){return e.getTileByID(r)}),t=[],n={},a=0;a<o.length;a++){var i=o[a],u=new TileCoord(Math.min(i.sourceMaxZoom,i.coord.z),i.coord.x,i.coord.y,0).id;n[u]||(n[u]=!0,i.querySourceFeatures(t,r))}return t}},{"./tile_coord":94}],89:[function(require,module,exports){"use strict";var util=require("../util/util"),ajax=require("../util/ajax"),Evented=require("../util/evented"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL,RasterTileSource=function(e){function t(t,i,r,a){e.call(this),this.id=t,this.dispatcher=r,this.setEventedParent(a),this.type="raster",this.minzoom=0,this.maxzoom=22,this.roundZoom=!0,this.scheme="xyz",this.tileSize=512,this._loaded=!1,this.options=i,util.extend(this,util.pick(i,["url","scheme","tileSize"]))}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this;this.fire("dataloading",{dataType:"source"}),loadTileJSON(this.options,function(t,i){return t?e.fire("error",t):(util.extend(e,i),e.fire("data",{dataType:"source",sourceDataType:"metadata"}),void e.fire("data",{dataType:"source",sourceDataType:"content"}))})},t.prototype.onAdd=function(e){this.load(),this.map=e},t.prototype.serialize=function(){return{type:"raster",url:this.url,tileSize:this.tileSize,tiles:this.tiles}},t.prototype.loadTile=function(e,t){function i(i,r){if(delete e.request,e.aborted)return this.state="unloaded",t(null);if(i)return this.state="errored",t(i);this.map._refreshExpiredTiles||e.setExpiryData(r),delete r.cacheControl,delete r.expires;var a=this.map.painter.gl;e.texture=this.map.painter.getTileTexture(r.width),e.texture?(a.bindTexture(a.TEXTURE_2D,e.texture),a.texSubImage2D(a.TEXTURE_2D,0,0,0,a.RGBA,a.UNSIGNED_BYTE,r)):(e.texture=a.createTexture(),a.bindTexture(a.TEXTURE_2D,e.texture),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR_MIPMAP_NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.texImage2D(a.TEXTURE_2D,0,a.RGBA,a.RGBA,a.UNSIGNED_BYTE,r),e.texture.size=r.width),a.generateMipmap(a.TEXTURE_2D),e.state="loaded",t(null)}var r=normalizeURL(e.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);e.request=ajax.getImage(r,i.bind(this))},t.prototype.abortTile=function(e){e.request&&(e.request.abort(),delete e.request)},t.prototype.unloadTile=function(e){e.texture&&this.map.painter.saveTileTexture(e.texture)},t}(Evented);module.exports=RasterTileSource},{"../util/ajax":191,"../util/evented":200,"../util/mapbox":208,"../util/util":212,"./load_tilejson":86}],90:[function(require,module,exports){"use strict";var ajax=require("../util/ajax"),Evented=require("../util/evented"),window=require("../util/window"),pluginRequested=!1,pluginBlobURL=null;module.exports.evented=new Evented,module.exports.registerForPluginAvailability=function(e){return pluginBlobURL?e(pluginBlobURL,module.exports.errorCallback):module.exports.evented.once("pluginAvailable",e),e},module.exports.setRTLTextPlugin=function(e,l){if(pluginRequested)throw new Error("setRTLTextPlugin cannot be called multiple times.");pluginRequested=!0,module.exports.errorCallback=l,ajax.getArrayBuffer(e,function(e,t){e?l(e):(pluginBlobURL=window.URL.createObjectURL(new window.Blob([t.data]),{type:"text/javascript"}),module.exports.evented.fire("pluginAvailable",{pluginBlobURL:pluginBlobURL,errorCallback:l}))})}},{"../util/ajax":191,"../util/evented":200,"../util/window":194}],91:[function(require,module,exports){"use strict";var util=require("../util/util"),sourceTypes={vector:require("../source/vector_tile_source"),raster:require("../source/raster_tile_source"),geojson:require("../source/geojson_source"),video:require("../source/video_source"),image:require("../source/image_source"),canvas:require("../source/canvas_source")};exports.create=function(e,r,o,u){if(r=new sourceTypes[r.type](e,r,o,u),r.id!==e)throw new Error("Expected Source id to be "+e+" instead of "+r.id);return util.bindAll(["load","abort","unload","serialize","prepare"],r),r},exports.getType=function(e){return sourceTypes[e]},exports.setType=function(e,r){sourceTypes[e]=r}},{"../source/canvas_source":81,"../source/geojson_source":82,"../source/image_source":85,"../source/raster_tile_source":89,"../source/vector_tile_source":95,"../source/video_source":97,"../util/util":212}],92:[function(require,module,exports){"use strict";function coordinateToTilePoint(e,t,o){var i=o.zoomTo(Math.min(e.z,t));return{x:(i.column-(e.x+e.w*Math.pow(2,e.z)))*EXTENT,y:(i.row-e.y)*EXTENT}}function compareKeyZoom(e,t){return e%32-t%32}function isRasterType(e){return"raster"===e||"image"===e||"video"===e}var Source=require("./source"),Tile=require("./tile"),Evented=require("../util/evented"),TileCoord=require("./tile_coord"),Cache=require("../util/lru_cache"),Coordinate=require("../geo/coordinate"),util=require("../util/util"),EXTENT=require("../data/extent"),SourceCache=function(e){function t(t,o,i){e.call(this),this.id=t,this.dispatcher=i,this.on("data",function(e){"source"===e.dataType&&"metadata"===e.sourceDataType&&(this._sourceLoaded=!0),this._sourceLoaded&&"source"===e.dataType&&"content"===e.sourceDataType&&(this.reload(),this.transform&&this.update(this.transform))}),this.on("error",function(){this._sourceErrored=!0}),this._source=Source.create(t,o,i,this),this._tiles={},this._cache=new Cache(0,this.unloadTile.bind(this)),this._timers={},this._cacheTimers={},this._isIdRenderable=this._isIdRenderable.bind(this)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e,this._source&&this._source.onAdd&&this._source.onAdd(e)},t.prototype.onRemove=function(e){this._source&&this._source.onRemove&&this._source.onRemove(e)},t.prototype.loaded=function(){var e=this;if(this._sourceErrored)return!0;if(!this._sourceLoaded)return!1;for(var t in e._tiles){var o=e._tiles[t];if("loaded"!==o.state&&"errored"!==o.state)return!1}return!0},t.prototype.getSource=function(){return this._source},t.prototype.loadTile=function(e,t){return this._source.loadTile(e,t)},t.prototype.unloadTile=function(e){if(this._source.unloadTile)return this._source.unloadTile(e)},t.prototype.abortTile=function(e){if(this._source.abortTile)return this._source.abortTile(e)},t.prototype.serialize=function(){return this._source.serialize()},t.prototype.prepare=function(){if(this._sourceLoaded&&this._source.prepare)return this._source.prepare()},t.prototype.getIds=function(){return Object.keys(this._tiles).map(Number).sort(compareKeyZoom)},t.prototype.getRenderableIds=function(){return this.getIds().filter(this._isIdRenderable)},t.prototype._isIdRenderable=function(e){return this._tiles[e].hasData()&&!this._coveredTiles[e]},t.prototype.reload=function(){var e=this;this._cache.reset();for(var t in e._tiles)e.reloadTile(t,"reloading")},t.prototype.reloadTile=function(e,t){var o=this._tiles[e];o&&("loading"!==o.state&&(o.state=t),this.loadTile(o,this._tileLoaded.bind(this,o,e,t)))},t.prototype._tileLoaded=function(e,t,o,i){return i?(e.state="errored",void this._source.fire("error",{tile:e,error:i})):(e.sourceCache=this,e.timeAdded=(new Date).getTime(),"expired"===o&&(e.refreshedUponExpiration=!0),this._setTileReloadTimer(t,e),this._source.fire("data",{dataType:"source",tile:e,coord:e.coord}),void(this.map&&(this.map.painter.tileExtentVAO.vao=null)))},t.prototype.getTile=function(e){return this.getTileByID(e.id)},t.prototype.getTileByID=function(e){return this._tiles[e]},t.prototype.getZoom=function(e){return e.zoom+e.scaleZoom(e.tileSize/this._source.tileSize)},t.prototype.findLoadedChildren=function(e,t,o){var i=this,r=!1;for(var s in i._tiles){var a=i._tiles[s];if(!(o[s]||!a.hasData()||a.coord.z<=e.z||a.coord.z>t)){var n=Math.pow(2,Math.min(a.coord.z,i._source.maxzoom)-Math.min(e.z,i._source.maxzoom));if(Math.floor(a.coord.x/n)===e.x&&Math.floor(a.coord.y/n)===e.y)for(o[s]=!0,r=!0;a&&a.coord.z-1>e.z;){var d=a.coord.parent(i._source.maxzoom).id;a=i._tiles[d],a&&a.hasData()&&(delete o[s],o[d]=!0)}}}return r},t.prototype.findLoadedParent=function(e,t,o){for(var i=this,r=e.z-1;r>=t;r--){e=e.parent(i._source.maxzoom);var s=i._tiles[e.id];if(s&&s.hasData())return o[e.id]=!0,s;if(i._cache.has(e.id))return o[e.id]=!0,i._cache.getWithoutRemoving(e.id)}},t.prototype.updateCacheSize=function(e){var t=Math.ceil(e.width/e.tileSize)+1,o=Math.ceil(e.height/e.tileSize)+1,i=t*o,r=5;this._cache.setMaxSize(Math.floor(i*r))},t.prototype.update=function(e){var o=this;if(this.transform=e,this._sourceLoaded){var i,r,s,a;this.updateCacheSize(e);var n=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),d=Math.max(n-t.maxOverzooming,this._source.minzoom),c=Math.max(n+t.maxUnderzooming,this._source.minzoom),h={};this._coveredTiles={};var u;for(u=this.used?this._source.coord?[this._source.coord]:e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}):[],i=0;i<u.length;i++)r=u[i],s=o.addTile(r),h[r.id]=!0,s.hasData()||o.findLoadedChildren(r,c,h)||(a=o.findLoadedParent(r,d,h),a&&o.addTile(a.coord));var l={};if(isRasterType(this._source.type))for(var m=Object.keys(h),p=0;p<m.length;p++){var _=m[p];r=TileCoord.fromID(_),s=o._tiles[_],s&&("undefined"==typeof s.fadeEndTime||s.fadeEndTime>=Date.now())&&(o.findLoadedChildren(r,c,h)&&(h[_]=!0),a=o.findLoadedParent(r,d,l),a&&o.addTile(a.coord))}var f;for(f in l)h[f]||(o._coveredTiles[f]=!0);for(f in l)h[f]=!0;var T=util.keysDifference(this._tiles,h);for(i=0;i<T.length;i++)o.removeTile(+T[i])}},t.prototype.addTile=function(e){var t=this._tiles[e.id];if(t)return t;var o=e.wrapped();t=this._tiles[o.id],t||(t=this._cache.get(o.id),t&&(t.redoPlacement(this._source),this._cacheTimers[o.id]&&(clearTimeout(this._cacheTimers[o.id]),this._cacheTimers[o.id]=void 0,this._setTileReloadTimer(o.id,t))));var i=Boolean(t);if(!i){var r=e.z,s=r>this._source.maxzoom?Math.pow(2,r-this._source.maxzoom):1;t=new Tile(o,this._source.tileSize*s,this._source.maxzoom),this.loadTile(t,this._tileLoaded.bind(this,t,e.id,t.state))}return t.uses++,this._tiles[e.id]=t,i||this._source.fire("dataloading",{tile:t,coord:t.coord,dataType:"source"}),t},t.prototype._setTileReloadTimer=function(e,t){var o=this,i=t.getExpiryTimeout();i&&(this._timers[e]=setTimeout(function(){o.reloadTile(e,"expired"),o._timers[e]=void 0},i))},t.prototype._setCacheInvalidationTimer=function(e,t){var o=this,i=t.getExpiryTimeout();i&&(this._cacheTimers[e]=setTimeout(function(){o._cache.remove(e),o._cacheTimers[e]=void 0},i))},t.prototype.removeTile=function(e){var t=this._tiles[e];if(t&&(t.uses--,delete this._tiles[e],this._timers[e]&&(clearTimeout(this._timers[e]),this._timers[e]=void 0),!(t.uses>0)))if(t.hasData()){var o=t.coord.wrapped().id;this._cache.add(o,t),this._setCacheInvalidationTimer(o,t)}else t.aborted=!0,this.abortTile(t),this.unloadTile(t)},t.prototype.clearTiles=function(){var e=this;for(var t in e._tiles)e.removeTile(t);this._cache.reset()},t.prototype.tilesIn=function(e){for(var t=this,o={},i=this.getIds(),r=1/0,s=1/0,a=-(1/0),n=-(1/0),d=e[0].zoom,c=0;c<e.length;c++){var h=e[c];r=Math.min(r,h.column),s=Math.min(s,h.row),a=Math.max(a,h.column),n=Math.max(n,h.row)}for(var u=0;u<i.length;u++){var l=t._tiles[i[u]],m=TileCoord.fromID(i[u]),p=[coordinateToTilePoint(m,l.sourceMaxZoom,new Coordinate(r,s,d)),coordinateToTilePoint(m,l.sourceMaxZoom,new Coordinate(a,n,d))];if(p[0].x<EXTENT&&p[0].y<EXTENT&&p[1].x>=0&&p[1].y>=0){for(var _=[],f=0;f<e.length;f++)_.push(coordinateToTilePoint(m,l.sourceMaxZoom,e[f]));var T=o[l.coord.id];void 0===T&&(T=o[l.coord.id]={tile:l,coord:m,queryGeometry:[],scale:Math.pow(2,t.transform.zoom-l.coord.z)}),T.queryGeometry.push(_)}}var v=[];for(var y in o)v.push(o[y]);return v},t.prototype.redoPlacement=function(){for(var e=this,t=this.getIds(),o=0;o<t.length;o++){var i=e.getTileByID(t[o]);i.redoPlacement(e._source)}},t.prototype.getVisibleCoordinates=function(){for(var e=this,t=this.getRenderableIds().map(TileCoord.fromID),o=0,i=t;o<i.length;o+=1){var r=i[o];r.posMatrix=e.transform.calculatePosMatrix(r,e._source.maxzoom)}return t},t}(Evented);SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,module.exports=SourceCache},{"../data/extent":54,"../geo/coordinate":61,"../util/evented":200,"../util/lru_cache":207,"../util/util":212,"./source":91,"./tile":93,"./tile_coord":94}],93:[function(require,module,exports){"use strict";var util=require("../util/util"),Bucket=require("../data/bucket"),FeatureIndex=require("../data/feature_index"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),featureFilter=require("../style-spec/feature_filter"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),CLOCK_SKEW_RETRY_TIMEOUT=3e4,Tile=function(e,t,i){this.coord=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.sourceMaxZoom=i,this.buckets={},this.expirationTime=null,this.expiredRequestCount=0,this.state="loading"};Tile.prototype.registerFadeDuration=function(e,t){var i=t+this.timeAdded;i<Date.now()||this.fadeEndTime&&i<this.fadeEndTime||(this.fadeEndTime=i,e.set(this.fadeEndTime-Date.now()))},Tile.prototype.loadVectorData=function(e,t){this.hasData()&&this.unloadVectorData(),this.state="loaded",e&&(e.rawTileData&&(this.rawTileData=e.rawTileData),this.collisionBoxArray=new CollisionBoxArray(e.collisionBoxArray),this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.featureIndex=new FeatureIndex(e.featureIndex,this.rawTileData,this.collisionTile),this.buckets=Bucket.deserialize(e.buckets,t.style))},Tile.prototype.reloadSymbolData=function(e,t){var i=this;if("unloaded"!==this.state){this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.featureIndex.setCollisionTile(this.collisionTile);for(var o in i.buckets){var r=i.buckets[o];"symbol"===r.layers[0].type&&(r.destroy(),delete i.buckets[o])}util.extend(this.buckets,Bucket.deserialize(e.buckets,t))}},Tile.prototype.unloadVectorData=function(){var e=this;for(var t in e.buckets)e.buckets[t].destroy();this.buckets={},this.collisionBoxArray=null,this.collisionTile=null,this.featureIndex=null,this.state="unloaded"},Tile.prototype.redoPlacement=function(e){var t=this;if("vector"===e.type||"geojson"===e.type)return"loaded"!==this.state?void(this.redoWhenDone=!0):void(this.collisionTile&&(this.state="reloading",e.dispatcher.send("redoPlacement",{type:e.type,uid:this.uid,source:e.id,angle:e.map.transform.angle,pitch:e.map.transform.pitch,showCollisionBoxes:e.map.showCollisionBoxes},function(i,o){t.reloadSymbolData(o,e.map.style),e.map&&(e.map.painter.tileExtentVAO.vao=null),t.state="loaded",t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(e))},this.workerID)))},Tile.prototype.getBucket=function(e){return this.buckets[e.id]},Tile.prototype.querySourceFeatures=function(e,t){var i=this;if(this.rawTileData){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers);var o=this.vtLayers._geojsonTileLayer||this.vtLayers[t.sourceLayer];if(o)for(var r=featureFilter(t&&t.filter),s={z:this.coord.z,x:this.coord.x,y:this.coord.y},a=0;a<o.length;a++){var l=o.feature(a);if(r(l)){var n=new GeoJSONFeature(l,i.coord.z,i.coord.x,i.coord.y);n.tile=s,e.push(n)}}}},Tile.prototype.hasData=function(){return"loaded"===this.state||"reloading"===this.state||"expired"===this.state},Tile.prototype.setExpiryData=function(e){var t=this.expirationTime;if(e.cacheControl){var i=util.parseCacheControl(e.cacheControl);i["max-age"]&&(this.expirationTime=Date.now()+1e3*i["max-age"])}else e.expires&&(this.expirationTime=new Date(e.expires).getTime());if(this.expirationTime){var o=Date.now(),r=!1;if(this.expirationTime>o)r=!1;else if(t)if(this.expirationTime<t)r=!0;else{var s=this.expirationTime-t;s?this.expirationTime=o+Math.max(s,CLOCK_SKEW_RETRY_TIMEOUT):r=!0}else r=!0;r?(this.expiredRequestCount++,this.state="expired"):this.expiredRequestCount=0}},Tile.prototype.getExpiryTimeout=function(){if(this.expirationTime)return this.expiredRequestCount?1e3*(1<<Math.min(this.expiredRequestCount-1,31)):Math.min(this.expirationTime-(new Date).getTime(),Math.pow(2,31)-1)},module.exports=Tile},{"../data/bucket":45,"../data/feature_index":55,"../style-spec/feature_filter":103,"../symbol/collision_box":160,"../symbol/collision_tile":162,"../util/util":212,"../util/vectortile_to_geojson":213,pbf:25,"vector-tile":34}],94:[function(require,module,exports){"use strict";function edge(t,i){if(t.row>i.row){var o=t;t=i,i=o}return{x0:t.column,y0:t.row,x1:i.column,y1:i.row,dx:i.column-t.column,dy:i.row-t.row}}function scanSpans(t,i,o,r,e){var n=Math.max(o,Math.floor(i.y0)),h=Math.min(r,Math.ceil(i.y1));if(t.x0===i.x0&&t.y0===i.y0?t.x0+i.dy/t.dy*t.dx<i.x1:t.x1-i.dy/t.dy*t.dx<i.x0){var s=t;t=i,i=s}for(var a=t.dx/t.dy,d=i.dx/i.dy,y=t.dx>0,l=i.dx<0,u=n;u<h;u++){var x=a*Math.max(0,Math.min(t.dy,u+y-t.y0))+t.x0,c=d*Math.max(0,Math.min(i.dy,u+l-i.y0))+i.x0;e(Math.floor(c),Math.ceil(x),u)}}function scanTriangle(t,i,o,r,e,n){var h,s=edge(t,i),a=edge(i,o),d=edge(o,t);s.dy>a.dy&&(h=s,s=a,a=h),s.dy>d.dy&&(h=s,s=d,d=h),a.dy>d.dy&&(h=a,a=d,d=h),s.dy&&scanSpans(d,s,r,e,n),a.dy&&scanSpans(d,a,r,e,n)}function getQuadkey(t,i,o){for(var r,e="",n=t;n>0;n--)r=1<<n-1,e+=(i&r?1:0)+(o&r?2:0);return e}var WhooTS=require("@mapbox/whoots-js"),Coordinate=require("../geo/coordinate"),TileCoord=function(t,i,o,r){isNaN(r)&&(r=0),this.z=+t,this.x=+i,this.y=+o,this.w=+r,r*=2,r<0&&(r=r*-1-1);var e=1<<this.z;this.id=32*(e*e*r+e*this.y+this.x)+this.z,this.posMatrix=null};TileCoord.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},TileCoord.prototype.toCoordinate=function(t){var i=Math.min(this.z,void 0===t?this.z:t),o=Math.pow(2,i),r=this.y,e=this.x+o*this.w;return new Coordinate(e,r,i)},TileCoord.prototype.url=function(t,i,o){var r=WhooTS.getTileBBox(this.x,this.y,this.z),e=getQuadkey(this.z,this.x,this.y);return t[(this.x+this.y)%t.length].replace("{prefix}",(this.x%16).toString(16)+(this.y%16).toString(16)).replace("{z}",Math.min(this.z,i||this.z)).replace("{x}",this.x).replace("{y}","tms"===o?Math.pow(2,this.z)-this.y-1:this.y).replace("{quadkey}",e).replace("{bbox-epsg-3857}",r)},TileCoord.prototype.parent=function(t){return 0===this.z?null:this.z>t?new TileCoord(this.z-1,this.x,this.y,this.w):new TileCoord(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},TileCoord.prototype.wrapped=function(){return new TileCoord(this.z,this.x,this.y,0)},TileCoord.prototype.children=function(t){if(this.z>=t)return[new TileCoord(this.z+1,this.x,this.y,this.w)];var i=this.z+1,o=2*this.x,r=2*this.y;return[new TileCoord(i,o,r,this.w),new TileCoord(i,o+1,r,this.w),new TileCoord(i,o,r+1,this.w),new TileCoord(i,o+1,r+1,this.w)]},TileCoord.cover=function(t,i,o,r){function e(t,i,e){var s,a,d,y;if(e>=0&&e<=n)for(s=t;s<i;s++)a=Math.floor(s/n),d=(s%n+n)%n,0!==a&&r!==!0||(y=new TileCoord(o,d,e,a),h[y.id]=y)}void 0===r&&(r=!0);var n=1<<t,h={};return scanTriangle(i[0],i[1],i[2],0,n,e),scanTriangle(i[2],i[3],i[0],0,n,e),Object.keys(h).map(function(t){return h[t]})},TileCoord.fromID=function(t){var i=t%32,o=1<<i,r=(t-i)/32,e=r%o,n=(r-e)/o%o,h=Math.floor(r/(o*o));return h%2!==0&&(h=h*-1-1),h/=2,new TileCoord(i,e,n,h)},module.exports=TileCoord},{"../geo/coordinate":61,"@mapbox/whoots-js":4}],95:[function(require,module,exports){"use strict";var Evented=require("../util/evented"),util=require("../util/util"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL,VectorTileSource=function(e){function t(t,i,o,r){if(e.call(this),this.id=t,this.dispatcher=o,this.type="vector",this.minzoom=0,this.maxzoom=22,this.scheme="xyz",this.tileSize=512,this.reparseOverscaled=!0,this.isTileClipped=!0,util.extend(this,util.pick(i,["url","scheme","tileSize"])),this._options=util.extend({type:"vector"},i),512!==this.tileSize)throw new Error("vector tile sources must have a tileSize of 512");this.setEventedParent(r)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this;this.fire("dataloading",{dataType:"source"}),loadTileJSON(this._options,function(t,i){return t?void e.fire("error",t):(util.extend(e,i),e.fire("data",{dataType:"source",sourceDataType:"metadata"}),void e.fire("data",{dataType:"source",sourceDataType:"content"}))})},t.prototype.onAdd=function(e){this.load(),this.map=e},t.prototype.serialize=function(){return util.extend({},this._options)},t.prototype.loadTile=function(e,t){function i(i,o){if(!e.aborted){if(i)return t(i);this.map._refreshExpiredTiles||e.setExpiryData(o),e.loadVectorData(o,this.map.painter),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),t(null),e.reloadCallback&&(this.loadTile(e,e.reloadCallback),e.reloadCallback=null)}}var o=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,r={url:normalizeURL(e.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:e.uid,coord:e.coord,zoom:e.coord.z,tileSize:this.tileSize*o,type:this.type,source:this.id,overscaling:o,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};e.workerID&&"expired"!==e.state?"loading"===e.state?e.reloadCallback=t:this.dispatcher.send("reloadTile",r,i.bind(this),e.workerID):e.workerID=this.dispatcher.send("loadTile",r,i.bind(this))},t.prototype.abortTile=function(e){this.dispatcher.send("abortTile",{uid:e.uid,type:this.type,source:this.id},null,e.workerID)},t.prototype.unloadTile=function(e){e.unloadVectorData(),this.dispatcher.send("removeTile",{uid:e.uid,type:this.type,source:this.id},null,e.workerID)},t}(Evented);module.exports=VectorTileSource},{"../util/evented":200,"../util/mapbox":208,"../util/util":212,"./load_tilejson":86}],96:[function(require,module,exports){"use strict";var ajax=require("../util/ajax"),vt=require("vector-tile"),Protobuf=require("pbf"),WorkerTile=require("./worker_tile"),util=require("../util/util"),VectorTileWorkerSource=function(e,r,t){this.actor=e,this.layerIndex=r,t&&(this.loadVectorData=t),this.loading={},this.loaded={}};VectorTileWorkerSource.prototype.loadTile=function(e,r){function t(e,t){return delete this.loading[o][i],e?r(e):t?(a.vectorTile=t,a.parse(t,this.layerIndex,this.actor,function(e,o,i){if(e)return r(e);var a={};t.expires&&(a.expires=t.expires),t.cacheControl&&(a.cacheControl=t.cacheControl),r(null,util.extend({rawTileData:t.rawData},o,a),i)}),this.loaded[o]=this.loaded[o]||{},void(this.loaded[o][i]=a)):r(null,null)}var o=e.source,i=e.uid;this.loading[o]||(this.loading[o]={});var a=this.loading[o][i]=new WorkerTile(e);a.abort=this.loadVectorData(e,t.bind(this))},VectorTileWorkerSource.prototype.reloadTile=function(e,r){function t(e,t){if(this.reloadCallback){var o=this.reloadCallback;delete this.reloadCallback,this.parse(this.vectorTile,a.layerIndex,a.actor,o)}r(e,t)}var o=this.loaded[e.source],i=e.uid,a=this;if(o&&o[i]){var l=o[i];"parsing"===l.status?l.reloadCallback=r:"done"===l.status&&l.parse(l.vectorTile,this.layerIndex,this.actor,t.bind(l))}},VectorTileWorkerSource.prototype.abortTile=function(e){var r=this.loading[e.source],t=e.uid;r&&r[t]&&r[t].abort&&(r[t].abort(),delete r[t])},VectorTileWorkerSource.prototype.removeTile=function(e){var r=this.loaded[e.source],t=e.uid;r&&r[t]&&delete r[t]},VectorTileWorkerSource.prototype.loadVectorData=function(e,r){function t(e,t){if(e)return r(e);var o=new vt.VectorTile(new Protobuf(t.data));o.rawData=t.data,o.cacheControl=t.cacheControl,o.expires=t.expires,r(e,o)}var o=ajax.getArrayBuffer(e.url,t.bind(this));return function(){o.abort()}},VectorTileWorkerSource.prototype.redoPlacement=function(e,r){var t=this.loaded[e.source],o=this.loading[e.source],i=e.uid;if(t&&t[i]){var a=t[i],l=a.redoPlacement(e.angle,e.pitch,e.showCollisionBoxes);l.result&&r(null,l.result,l.transferables)}else o&&o[i]&&(o[i].angle=e.angle)},module.exports=VectorTileWorkerSource},{"../util/ajax":191,"../util/util":212,"./worker_tile":99,pbf:25,"vector-tile":34}],97:[function(require,module,exports){"use strict";var ajax=require("../util/ajax"),ImageSource=require("./image_source"),VideoSource=function(t){function e(e,o,i,r){t.call(this,e,o,i,r),this.roundZoom=!0,this.type="video",this.options=o}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.load=function(){var t=this,e=this.options;this.urls=e.urls,ajax.getVideo(e.urls,function(e,o){if(e)return t.fire("error",{error:e});t.video=o,t.video.loop=!0;var i;t.video.addEventListener("playing",function(){i=t.map.style.animationLoop.set(1/0),t.map._rerender()}),t.video.addEventListener("pause",function(){t.map.style.animationLoop.cancel(i)}),t.map&&t.video.play(),t._finishLoading()})},e.prototype.getVideo=function(){return this.video},e.prototype.onAdd=function(t){this.map||(this.load(),this.map=t,this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},e.prototype.prepare=function(){!this.tile||this.video.readyState<2||this._prepareImage(this.map.painter.gl,this.video)},e.prototype.serialize=function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}},e}(ImageSource);module.exports=VideoSource},{"../util/ajax":191,"./image_source":85}],98:[function(require,module,exports){"use strict";var Actor=require("../util/actor"),StyleLayerIndex=require("../style/style_layer_index"),VectorTileWorkerSource=require("./vector_tile_worker_source"),GeoJSONWorkerSource=require("./geojson_worker_source"),globalRTLTextPlugin=require("./rtl_text_plugin"),Worker=function(e){var r=this;this.self=e,this.actor=new Actor(e,this),this.layerIndexes={},this.workerSourceTypes={vector:VectorTileWorkerSource,geojson:GeoJSONWorkerSource},this.workerSources={},this.self.registerWorkerSource=function(e,o){if(r.workerSourceTypes[e])throw new Error('Worker source with name "'+e+'" already registered.');r.workerSourceTypes[e]=o},this.self.registerRTLTextPlugin=function(e){
if(globalRTLTextPlugin.applyArabicShaping||globalRTLTextPlugin.processBidirectionalText)throw new Error("RTL text plugin already registered.");globalRTLTextPlugin.applyArabicShaping=e.applyArabicShaping,globalRTLTextPlugin.processBidirectionalText=e.processBidirectionalText}};Worker.prototype.setLayers=function(e,r){this.getLayerIndex(e).replace(r)},Worker.prototype.updateLayers=function(e,r){this.getLayerIndex(e).update(r.layers,r.removedIds,r.symbolOrder)},Worker.prototype.loadTile=function(e,r,o){this.getWorkerSource(e,r.type).loadTile(r,o)},Worker.prototype.reloadTile=function(e,r,o){this.getWorkerSource(e,r.type).reloadTile(r,o)},Worker.prototype.abortTile=function(e,r){this.getWorkerSource(e,r.type).abortTile(r)},Worker.prototype.removeTile=function(e,r){this.getWorkerSource(e,r.type).removeTile(r)},Worker.prototype.removeSource=function(e,r){var o=this.getWorkerSource(e,r.type);void 0!==o.removeSource&&o.removeSource(r)},Worker.prototype.redoPlacement=function(e,r,o){this.getWorkerSource(e,r.type).redoPlacement(r,o)},Worker.prototype.loadWorkerSource=function(e,r,o){try{this.self.importScripts(r.url),o()}catch(e){o(e)}},Worker.prototype.loadRTLTextPlugin=function(e,r,o){try{globalRTLTextPlugin.applyArabicShaping||globalRTLTextPlugin.processBidirectionalText||this.self.importScripts(r)}catch(e){o(e)}},Worker.prototype.getLayerIndex=function(e){var r=this.layerIndexes[e];return r||(r=this.layerIndexes[e]=new StyleLayerIndex),r},Worker.prototype.getWorkerSource=function(e,r){var o=this;if(this.workerSources[e]||(this.workerSources[e]={}),!this.workerSources[e][r]){var t={send:function(r,t,i,n){o.actor.send(r,t,i,n,e)}};this.workerSources[e][r]=new this.workerSourceTypes[r](t,this.getLayerIndex(e))}return this.workerSources[e][r]},module.exports=function(e){return new Worker(e)}},{"../style/style_layer_index":154,"../util/actor":190,"./geojson_worker_source":83,"./rtl_text_plugin":90,"./vector_tile_worker_source":96}],99:[function(require,module,exports){"use strict";function recalculateLayers(e,i){for(var r=0,o=e.layers;r<o.length;r+=1){var t=o[r];t.recalculate(i)}}function serializeBuckets(e,i){return e.filter(function(e){return!e.isEmpty()}).map(function(e){return e.serialize(i)})}var FeatureIndex=require("../data/feature_index"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),DictionaryCoder=require("../util/dictionary_coder"),util=require("../util/util"),WorkerTile=function(e){this.coord=e.coord,this.uid=e.uid,this.zoom=e.zoom,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=e.overscaling,this.angle=e.angle,this.pitch=e.pitch,this.showCollisionBoxes=e.showCollisionBoxes};WorkerTile.prototype.parse=function(e,i,r,o){var t=this;e.layers||(e={layers:{_geojsonTileLayer:e}}),this.status="parsing",this.data=e,this.collisionBoxArray=new CollisionBoxArray;var s=new DictionaryCoder(Object.keys(e.layers).sort()),l=new FeatureIndex(this.coord,this.overscaling);l.bucketLayerIDs={};var n={},a=0,c={featureIndex:l,iconDependencies:{},glyphDependencies:{}},u=i.familiesBySource[this.source];for(var h in u){var y=e.layers[h];if(y){1===y.version&&util.warnOnce('Vector tile source "'+t.source+'" layer "'+h+'" does not use vector tile spec v2 and therefore may have some rendering errors.');for(var d=s.encode(h),p=[],m=0;m<y.length;m++){var v=y.feature(m);v.index=m,v.sourceLayerIndex=d,p.push(v)}for(var f=0,g=u[h];f<g.length;f+=1){var x=g[f],B=x[0];if(!(B.minzoom&&t.zoom<B.minzoom||B.maxzoom&&t.zoom>=B.maxzoom||B.layout&&"none"===B.layout.visibility)){for(var b=0,k=x;b<k.length;b+=1){var z=k[b];z.recalculate(t.zoom)}var C=n[B.id]=B.createBucket({index:a,layers:x,zoom:t.zoom,overscaling:t.overscaling,collisionBoxArray:t.collisionBoxArray});C.populate(p,c),l.bucketLayerIDs[a]=x.map(function(e){return e.id}),a++}}}}var T=function(e){t.status="done",l.paintPropertyStatistics={};for(var i in n)util.extend(l.paintPropertyStatistics,n[i].getPaintPropertyStatistics());var r=[];o(null,{buckets:serializeBuckets(util.values(n),r),featureIndex:l.serialize(r),collisionTile:e.serialize(r),collisionBoxArray:t.collisionBoxArray.serialize()},r)};this.symbolBuckets=[];for(var w=i.symbolOrder.length-1;w>=0;w--){var A=n[i.symbolOrder[w]];A&&t.symbolBuckets.push(A)}if(0===this.symbolBuckets.length)return T(new CollisionTile(this.angle,this.pitch,this.collisionBoxArray));var D=0,I=Object.keys(c.iconDependencies),O=util.mapObject(c.glyphDependencies,function(e){return Object.keys(e).map(Number)}),L=function(e){if(e)return o(e);if(D++,2===D){for(var i=new CollisionTile(t.angle,t.pitch,t.collisionBoxArray),r=0,s=t.symbolBuckets;r<s.length;r+=1){var l=s[r];recalculateLayers(l,t.zoom),l.prepare(O,I),l.place(i,t.showCollisionBoxes)}T(i)}};Object.keys(O).length?r.send("getGlyphs",{uid:this.uid,stacks:O},function(e,i){O=i,L(e)}):L(),I.length?r.send("getIcons",{icons:I},function(e,i){I=i,L(e)}):L()},WorkerTile.prototype.redoPlacement=function(e,i,r){var o=this;if(this.angle=e,this.pitch=i,"done"!==this.status)return{};for(var t=new CollisionTile(this.angle,this.pitch,this.collisionBoxArray),s=0,l=o.symbolBuckets;s<l.length;s+=1){var n=l[s];recalculateLayers(n,o.zoom),n.place(t,r)}var a=[];return{result:{buckets:serializeBuckets(this.symbolBuckets,a),collisionTile:t.serialize(a)},transferables:a}},module.exports=WorkerTile},{"../data/feature_index":55,"../symbol/collision_box":160,"../symbol/collision_tile":162,"../util/dictionary_coder":197,"../util/util":212}],100:[function(require,module,exports){"use strict";function deref(r,e){var f={};for(var t in r)"ref"!==t&&(f[t]=r[t]);return refProperties.forEach(function(r){r in e&&(f[r]=e[r])}),f}function derefLayers(r){r=r.slice();for(var e=Object.create(null),f=0;f<r.length;f++)e[r[f].id]=r[f];for(var t=0;t<r.length;t++)"ref"in r[t]&&(r[t]=deref(r[t],e[r[t].ref]));return r}var refProperties=require("./util/ref_properties");module.exports=derefLayers},{"./util/ref_properties":122}],101:[function(require,module,exports){"use strict";function diffSources(e,r,o,a){e=e||{},r=r||{};var s;for(s in e)e.hasOwnProperty(s)&&(r.hasOwnProperty(s)||(o.push({command:operations.removeSource,args:[s]}),a[s]=!0));for(s in r)r.hasOwnProperty(s)&&(e.hasOwnProperty(s)?isEqual(e[s],r[s])||(o.push({command:operations.removeSource,args:[s]}),o.push({command:operations.addSource,args:[s,r[s]]}),a[s]=!0):o.push({command:operations.addSource,args:[s,r[s]]}))}function diffLayerPropertyChanges(e,r,o,a,s,t){e=e||{},r=r||{};var n;for(n in e)e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}));for(n in r)r.hasOwnProperty(n)&&!e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}))}function pluckId(e){return e.id}function indexById(e,r){return e[r.id]=r,e}function diffLayers(e,r,o){e=e||[],r=r||[];var a,s,t,n,i,p,m,u=e.map(pluckId),l=r.map(pluckId),y=e.reduce(indexById,{}),c=r.reduce(indexById,{}),d=u.slice(),h=Object.create(null);for(a=0,s=0;a<u.length;a++)t=u[a],c.hasOwnProperty(t)?s++:(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.indexOf(t,s),1));for(a=0,s=0;a<l.length;a++)t=l[l.length-1-a],d[d.length-1-a]!==t&&(y.hasOwnProperty(t)?(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.lastIndexOf(t,d.length-s),1)):s++,p=d[d.length-a],o.push({command:operations.addLayer,args:[c[t],p]}),d.splice(d.length-a,0,t),h[t]=!0);for(a=0;a<l.length;a++)if(t=l[a],n=y[t],i=c[t],!h[t]&&!isEqual(n,i))if(isEqual(n.source,i.source)&&isEqual(n["source-layer"],i["source-layer"])&&isEqual(n.type,i.type)){diffLayerPropertyChanges(n.layout,i.layout,o,t,null,operations.setLayoutProperty),diffLayerPropertyChanges(n.paint,i.paint,o,t,null,operations.setPaintProperty),isEqual(n.filter,i.filter)||o.push({command:operations.setFilter,args:[t,i.filter]}),isEqual(n.minzoom,i.minzoom)&&isEqual(n.maxzoom,i.maxzoom)||o.push({command:operations.setLayerZoomRange,args:[t,i.minzoom,i.maxzoom]});for(m in n)n.hasOwnProperty(m)&&"layout"!==m&&"paint"!==m&&"filter"!==m&&"metadata"!==m&&"minzoom"!==m&&"maxzoom"!==m&&(0===m.indexOf("paint.")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}));for(m in i)i.hasOwnProperty(m)&&!n.hasOwnProperty(m)&&"layout"!==m&&"paint"!==m&&"filter"!==m&&"metadata"!==m&&"minzoom"!==m&&"maxzoom"!==m&&(0===m.indexOf("paint.")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}))}else o.push({command:operations.removeLayer,args:[t]}),p=d[d.lastIndexOf(t)+1],o.push({command:operations.addLayer,args:[i,p]})}function diffStyles(e,r){if(!e)return[{command:operations.setStyle,args:[r]}];var o=[];try{if(!isEqual(e.version,r.version))return[{command:operations.setStyle,args:[r]}];isEqual(e.center,r.center)||o.push({command:operations.setCenter,args:[r.center]}),isEqual(e.zoom,r.zoom)||o.push({command:operations.setZoom,args:[r.zoom]}),isEqual(e.bearing,r.bearing)||o.push({command:operations.setBearing,args:[r.bearing]}),isEqual(e.pitch,r.pitch)||o.push({command:operations.setPitch,args:[r.pitch]}),isEqual(e.sprite,r.sprite)||o.push({command:operations.setSprite,args:[r.sprite]}),isEqual(e.glyphs,r.glyphs)||o.push({command:operations.setGlyphs,args:[r.glyphs]}),isEqual(e.transition,r.transition)||o.push({command:operations.setTransition,args:[r.transition]}),isEqual(e.light,r.light)||o.push({command:operations.setLight,args:[r.light]});var a={},s=[];diffSources(e.sources,r.sources,s,a);var t=[];e.layers&&e.layers.forEach(function(e){a[e.source]?o.push({command:operations.removeLayer,args:[e.id]}):t.push(e)}),o=o.concat(s),diffLayers(t,r.layers,o)}catch(e){console.warn("Unable to compute style diff:",e),o=[{command:operations.setStyle,args:[r]}]}return o}var isEqual=require("lodash.isequal"),operations={setStyle:"setStyle",addLayer:"addLayer",removeLayer:"removeLayer",setPaintProperty:"setPaintProperty",setLayoutProperty:"setLayoutProperty",setFilter:"setFilter",addSource:"addSource",removeSource:"removeSource",setLayerZoomRange:"setLayerZoomRange",setLayerProperty:"setLayerProperty",setCenter:"setCenter",setZoom:"setZoom",setBearing:"setBearing",setPitch:"setPitch",setSprite:"setSprite",setGlyphs:"setGlyphs",setTransition:"setTransition",setLight:"setLight"};module.exports=diffStyles,module.exports.operations=operations},{"lodash.isequal":114}],102:[function(require,module,exports){"use strict";function ValidationError(r,i){this.message=(r?r+": ":"")+format.apply(format,Array.prototype.slice.call(arguments,2)),null!==i&&void 0!==i&&i.__line__&&(this.line=i.__line__)}var format=require("util").format;module.exports=ValidationError},{util:33}],103:[function(require,module,exports){"use strict";function createFilter(e){return new Function("f","var p = (f && f.properties || {}); return "+compile(e))}function compile(e){if(!e)return"true";var i=e[0];if(e.length<=1)return"any"===i?"false":"true";var n="=="===i?compileComparisonOp(e[1],e[2],"===",!1):"!="===i?compileComparisonOp(e[1],e[2],"!==",!1):"<"===i||">"===i||"<="===i||">="===i?compileComparisonOp(e[1],e[2],i,!0):"any"===i?compileLogicalOp(e.slice(1),"||"):"all"===i?compileLogicalOp(e.slice(1),"&&"):"none"===i?compileNegation(compileLogicalOp(e.slice(1),"||")):"in"===i?compileInOp(e[1],e.slice(2)):"!in"===i?compileNegation(compileInOp(e[1],e.slice(2))):"has"===i?compileHasOp(e[1]):"!has"===i?compileNegation(compileHasOp(e[1])):"true";return"("+n+")"}function compilePropertyReference(e){return"$type"===e?"f.type":"$id"===e?"f.id":"p["+JSON.stringify(e)+"]"}function compileComparisonOp(e,i,n,r){var o=compilePropertyReference(e),t="$type"===e?types.indexOf(i):JSON.stringify(i);return(r?"typeof "+o+"=== typeof "+t+"&&":"")+o+n+t}function compileLogicalOp(e,i){return e.map(compile).join(i)}function compileInOp(e,i){"$type"===e&&(i=i.map(function(e){return types.indexOf(e)}));var n=JSON.stringify(i.sort(compare)),r=compilePropertyReference(e);return i.length<=200?n+".indexOf("+r+") !== -1":"function(v, a, i, j) {while (i <= j) { var m = (i + j) >> 1;    if (a[m] === v) return true; if (a[m] > v) j = m - 1; else i = m + 1;}return false; }("+r+", "+n+",0,"+(i.length-1)+")"}function compileHasOp(e){return"$id"===e?'"id" in f':JSON.stringify(e)+" in p"}function compileNegation(e){return"!("+e+")"}function compare(e,i){return e<i?-1:e>i?1:0}module.exports=createFilter;var types=["Unknown","Point","LineString","Polygon"]},{}],104:[function(require,module,exports){"use strict";function xyz2lab(r){return r>t3?Math.pow(r,1/3):r/t2+t0}function lab2xyz(r){return r>t1?r*r*r:t2*(r-t0)}function xyz2rgb(r){return 255*(r<=.0031308?12.92*r:1.055*Math.pow(r,1/2.4)-.055)}function rgb2xyz(r){return r/=255,r<=.04045?r/12.92:Math.pow((r+.055)/1.055,2.4)}function rgbToLab(r){var t=rgb2xyz(r[0]),a=rgb2xyz(r[1]),n=rgb2xyz(r[2]),b=xyz2lab((.4124564*t+.3575761*a+.1804375*n)/Xn),o=xyz2lab((.2126729*t+.7151522*a+.072175*n)/Yn),g=xyz2lab((.0193339*t+.119192*a+.9503041*n)/Zn);return[116*o-16,500*(b-o),200*(o-g),r[3]]}function labToRgb(r){var t=(r[0]+16)/116,a=isNaN(r[1])?t:t+r[1]/500,n=isNaN(r[2])?t:t-r[2]/200;return t=Yn*lab2xyz(t),a=Xn*lab2xyz(a),n=Zn*lab2xyz(n),[xyz2rgb(3.2404542*a-1.5371385*t-.4985314*n),xyz2rgb(-.969266*a+1.8760108*t+.041556*n),xyz2rgb(.0556434*a-.2040259*t+1.0572252*n),r[3]]}function rgbToHcl(r){var t=rgbToLab(r),a=t[0],n=t[1],b=t[2],o=Math.atan2(b,n)*rad2deg;return[o<0?o+360:o,Math.sqrt(n*n+b*b),a,r[3]]}function hclToRgb(r){var t=r[0]*deg2rad,a=r[1],n=r[2];return labToRgb([n,Math.cos(t)*a,Math.sin(t)*a,r[3]])}var Xn=.95047,Yn=1,Zn=1.08883,t0=4/29,t1=6/29,t2=3*t1*t1,t3=t1*t1*t1,deg2rad=Math.PI/180,rad2deg=180/Math.PI;module.exports={lab:{forward:rgbToLab,reverse:labToRgb},hcl:{forward:rgbToHcl,reverse:hclToRgb}}},{}],105:[function(require,module,exports){"use strict";function identityFunction(t){return t}function createFunction(t,e){var o,n="color"===e.type;if(isFunctionDefinition(t)){var r=t.stops&&"object"==typeof t.stops[0][0],a=r||void 0!==t.property,i=r||!a,s=t.type||("interpolated"===e.function?"exponential":"interval");n&&(t=extend({},t),t.stops&&(t.stops=t.stops.map(function(t){return[t[0],parseColor(t[1])]})),t.default?t.default=parseColor(t.default):t.default=parseColor(e.default));var u,p,l;if("exponential"===s)u=evaluateExponentialFunction;else if("interval"===s)u=evaluateIntervalFunction;else if("categorical"===s){u=evaluateCategoricalFunction,p=Object.create(null);for(var c=0,f=t.stops;c<f.length;c+=1){var v=f[c];p[v[0]]=v[1]}l=typeof t.stops[0][0]}else{if("identity"!==s)throw new Error('Unknown function type "'+s+'"');u=evaluateIdentityFunction}var d;if(t.colorSpace&&"rgb"!==t.colorSpace){if(!colorSpaces[t.colorSpace])throw new Error("Unknown color space: "+t.colorSpace);var y=colorSpaces[t.colorSpace];t=JSON.parse(JSON.stringify(t));for(var F=0;F<t.stops.length;F++)t.stops[F]=[t.stops[F][0],y.forward(t.stops[F][1])];d=y.reverse}else d=identityFunction;if(r){for(var h={},m=[],g=0;g<t.stops.length;g++){var b=t.stops[g];void 0===h[b[0].zoom]&&(h[b[0].zoom]={zoom:b[0].zoom,type:t.type,property:t.property,stops:[]}),h[b[0].zoom].stops.push([b[0].value,b[1]])}for(var C in h)m.push([h[C].zoom,createFunction(h[C],e)]);o=function(o,n){return d(evaluateExponentialFunction({stops:m,base:t.base},e,o)(o,n))},o.isFeatureConstant=!1,o.isZoomConstant=!1}else i?(o=function(o){return d(u(t,e,o,p,l))},o.isFeatureConstant=!0,o.isZoomConstant=!1):(o=function(o,n){var r=n[t.property];return void 0===r?coalesce(t.default,e.default):d(u(t,e,r,p,l))},o.isFeatureConstant=!1,o.isZoomConstant=!0)}else n&&t&&(t=parseColor(t)),o=function(){return t},o.isFeatureConstant=!0,o.isZoomConstant=!0;return o}function coalesce(t,e,o){return void 0!==t?t:void 0!==e?e:void 0!==o?o:void 0}function evaluateCategoricalFunction(t,e,o,n,r){var a=typeof o===r?n[o]:void 0;return coalesce(a,t.default,e.default)}function evaluateIntervalFunction(t,e,o){if("number"!==getType(o))return coalesce(t.default,e.default);var n=t.stops.length;if(1===n)return t.stops[0][1];if(o<=t.stops[0][0])return t.stops[0][1];if(o>=t.stops[n-1][0])return t.stops[n-1][1];var r=binarySearchForIndex(t.stops,o);return t.stops[r][1]}function evaluateExponentialFunction(t,e,o){var n=void 0!==t.base?t.base:1;if("number"!==getType(o))return coalesce(t.default,e.default);var r=t.stops.length;if(1===r)return t.stops[0][1];if(o<=t.stops[0][0])return t.stops[0][1];if(o>=t.stops[r-1][0])return t.stops[r-1][1];var a=binarySearchForIndex(t.stops,o);return interpolate(o,n,t.stops[a][0],t.stops[a+1][0],t.stops[a][1],t.stops[a+1][1])}function evaluateIdentityFunction(t,e,o){return"color"===e.type?o=parseColor(o):getType(o)!==e.type&&(o=void 0),coalesce(o,t.default,e.default)}function binarySearchForIndex(t,e){for(var o,n,r=t.length,a=0,i=r-1,s=0;a<=i;){if(s=Math.floor((a+i)/2),o=t[s][0],n=t[s+1][0],e>=o&&e<n)return s;o<e?a=s+1:o>e&&(i=s-1)}return Math.max(s-1,0)}function interpolate(t,e,o,n,r,a){return"function"==typeof r?function(){var i=r.apply(void 0,arguments),s=a.apply(void 0,arguments);if(void 0!==i&&void 0!==s)return interpolate(t,e,o,n,i,s)}:r.length?interpolateArray(t,e,o,n,r,a):interpolateNumber(t,e,o,n,r,a)}function interpolateNumber(t,e,o,n,r,a){var i,s=n-o,u=t-o;return i=1===e?u/s:(Math.pow(e,u)-1)/(Math.pow(e,s)-1),r*(1-i)+a*i}function interpolateArray(t,e,o,n,r,a){for(var i=[],s=0;s<r.length;s++)i[s]=interpolateNumber(t,e,o,n,r[s],a[s]);return i}function isFunctionDefinition(t){return"object"==typeof t&&(t.stops||"identity"===t.type)}var colorSpaces=require("./color_spaces"),parseColor=require("../util/parse_color"),extend=require("../util/extend"),getType=require("../util/get_type");module.exports=createFunction,module.exports.isFunctionDefinition=isFunctionDefinition},{"../util/extend":119,"../util/get_type":120,"../util/parse_color":121,"./color_spaces":104}],106:[function(require,module,exports){"use strict";function key(r){return stringify(refProperties.map(function(e){return r[e]}))}function groupByLayout(r){for(var e={},t=0;t<r.length;t++){var i=key(r[t]),u=e[i];u||(u=e[i]=[]),u.push(r[t])}var n=[];for(var o in e)n.push(e[o]);return n}var refProperties=require("./util/ref_properties"),stringify=require("fast-stable-stringify");module.exports=groupByLayout},{"./util/ref_properties":122,"fast-stable-stringify":108}],107:[function(require,module,exports){function clamp_css_byte(e){return e=Math.round(e),e<0?0:e>255?255:e}function clamp_css_float(e){return e<0?0:e>1?1:e}function parse_css_int(e){return clamp_css_byte("%"===e[e.length-1]?parseFloat(e)/100*255:parseInt(e))}function parse_css_float(e){return clamp_css_float("%"===e[e.length-1]?parseFloat(e)/100:parseFloat(e))}function css_hue_to_rgb(e,r,l){return l<0?l+=1:l>1&&(l-=1),6*l<1?e+(r-e)*l*6:2*l<1?r:3*l<2?e+(r-e)*(2/3-l)*6:e}function parseCSSColor(e){var r=e.replace(/ /g,"").toLowerCase();if(r in kCSSColorTable)return kCSSColorTable[r].slice();if("#"===r[0]){if(4===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=4095?[(3840&l)>>4|(3840&l)>>8,240&l|(240&l)>>4,15&l|(15&l)<<4,1]:null}if(7===r.length){var l=parseInt(r.substr(1),16);return 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ValidationError=require("../error/validation_error"),validateEnum=require("./validate_enum"),getType=require("../util/get_type"),unbundle=require("../util/unbundle_jsonlint");module.exports=function e(r){var t,a=r.value,n=r.key,l=r.styleSpec,s=[];if("array"!==getType(a))return[new ValidationError(n,a,"array expected, %s found",getType(a))];if(a.length<1)return[new ValidationError(n,a,"filter array must have at least 1 element")];switch(s=s.concat(validateEnum({key:n+"[0]",value:a[0],valueSpec:l.filter_operator,style:r.style,styleSpec:r.styleSpec})),unbundle(a[0])){case"<":case"<=":case">":case">=":a.length>=2&&"$type"===unbundle(a[1])&&s.push(new ValidationError(n,a,'"$type" cannot be use with operator "%s"',a[0]));case"==":case"!=":3!==a.length&&s.push(new ValidationError(n,a,'filter array for operator "%s" must have 3 elements',a[0]));case"in":case"!in":a.length>=2&&(t=getType(a[1]),"string"!==t&&s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",t)));for(var o=2;o<a.length;o++)t=getType(a[o]),"$type"===unbundle(a[1])?s=s.concat(validateEnum({key:n+"["+o+"]",value:a[o],valueSpec:l.geometry_type,style:r.style,styleSpec:r.styleSpec})):"string"!==t&&"number"!==t&&"boolean"!==t&&s.push(new ValidationError(n+"["+o+"]",a[o],"string, number, or boolean expected, %s found",t));break;case"any":case"all":case"none":for(var i=1;i<a.length;i++)s=s.concat(e({key:n+"["+i+"]",value:a[i],style:r.style,styleSpec:r.styleSpec}));break;case"has":case"!has":t=getType(a[1]),2!==a.length?s.push(new ValidationError(n,a,'filter array for "%s" operator must have 2 elements',a[0])):"string"!==t&&s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",t))}return s}},{"../error/validation_error":102,"../util/get_type":120,"../util/unbundle_jsonlint":123,"./validate_enum":129}],131:[function(require,module,exports){"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate"),validateObject=require("./validate_object"),validateArray=require("./validate_array"),validateNumber=require("./validate_number"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){function t(e){if("identity"===p)return[new ValidationError(e.key,e.value,'identity function may not have a "stops" property')];var t=[],a=e.value;return t=t.concat(validateArray({key:e.key,value:a,valueSpec:e.valueSpec,style:e.style,styleSpec:e.styleSpec,arrayElementValidator:r})),"array"===getType(a)&&0===a.length&&t.push(new ValidationError(e.key,a,"array must have at least one stop")),t}function r(e){var t=[],r=e.value,o=e.key;if("array"!==getType(r))return[new ValidationError(o,r,"array expected, %s found",getType(r))];if(2!==r.length)return[new ValidationError(o,r,"array length %d expected, length %d found",2,r.length)];if(c){if("object"!==getType(r[0]))return[new ValidationError(o,r,"object expected, %s found",getType(r[0]))];if(void 0===r[0].zoom)return[new ValidationError(o,r,"object stop key must have zoom")];if(void 0===r[0].value)return[new ValidationError(o,r,"object stop key must have value")];if(l&&l>unbundle(r[0].zoom))return[new ValidationError(o,r[0].zoom,"stop zoom values must appear in ascending order")];unbundle(r[0].zoom)!==l&&(l=unbundle(r[0].zoom),i=void 0,s={}),t=t.concat(validateObject({key:o+"[0]",value:r[0],valueSpec:{zoom:{}},style:e.style,styleSpec:e.styleSpec,objectElementValidators:{zoom:validateNumber,value:a}}))}else t=t.concat(a({key:o+"[0]",value:r[0],valueSpec:{},style:e.style,styleSpec:e.styleSpec}));return t.concat(validate({key:o+"[1]",value:r[1],valueSpec:u,style:e.style,styleSpec:e.styleSpec}))}function a(e){var t=getType(e.value),r=unbundle(e.value);if(n){if(t!==n)return[new ValidationError(e.key,e.value,"%s stop domain type must match previous stop domain type %s",t,n)]}else n=t;if("number"!==t&&"string"!==t&&"boolean"!==t)return[new ValidationError(e.key,e.value,"stop domain value must be a number, string, or boolean")];if("number"!==t&&"categorical"!==p){var a="number expected, %s found"
;return u["property-function"]&&void 0===p&&(a+='\nIf you intended to use a categorical function, specify `"type": "categorical"`.'),[new ValidationError(e.key,e.value,a,t)]}return"categorical"!==p||"number"!==t||isFinite(r)&&Math.floor(r)===r?"number"===t&&void 0!==i&&r<i?[new ValidationError(e.key,e.value,"stop domain values must appear in ascending order")]:(i=r,"categorical"===p&&r in s?[new ValidationError(e.key,e.value,"stop domain values must be unique")]:(s[r]=!0,[])):[new ValidationError(e.key,e.value,"integer expected, found %s",r)]}function o(e){return validate({key:e.key,value:e.value,valueSpec:u,style:e.style,styleSpec:e.styleSpec})}var n,i,l,u=e.valueSpec,p=unbundle(e.value.type),s={},y="categorical"!==p&&void 0===e.value.property,d=!y,c="array"===getType(e.value.stops)&&"array"===getType(e.value.stops[0])&&"object"===getType(e.value.stops[0][0]),v=validateObject({key:e.key,value:e.value,valueSpec:e.styleSpec.function,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{stops:t,default:o}});return"identity"===p&&y&&v.push(new ValidationError(e.key,e.value,'missing required property "property"')),"identity"===p||e.value.stops||v.push(new ValidationError(e.key,e.value,'missing required property "stops"')),"exponential"===p&&"piecewise-constant"===e.valueSpec.function&&v.push(new ValidationError(e.key,e.value,"exponential functions not supported")),e.styleSpec.$version>=8&&(d&&!e.valueSpec["property-function"]?v.push(new ValidationError(e.key,e.value,"property functions not supported")):y&&!e.valueSpec["zoom-function"]&&v.push(new ValidationError(e.key,e.value,"zoom functions not supported"))),"categorical"!==p&&!c||void 0!==e.value.property||v.push(new ValidationError(e.key,e.value,'"property" property is required')),v}},{"../error/validation_error":102,"../util/get_type":120,"../util/unbundle_jsonlint":123,"./validate":124,"./validate_array":125,"./validate_number":136,"./validate_object":137}],132:[function(require,module,exports){"use strict";var ValidationError=require("../error/validation_error"),validateString=require("./validate_string");module.exports=function(r){var e=r.value,t=r.key,a=validateString(r);return a.length?a:(e.indexOf("{fontstack}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{fontstack}" token')),e.indexOf("{range}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{range}" token')),a)}},{"../error/validation_error":102,"./validate_string":141}],133:[function(require,module,exports){"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateFilter=require("./validate_filter"),validatePaintProperty=require("./validate_paint_property"),validateLayoutProperty=require("./validate_layout_property"),extend=require("../util/extend");module.exports=function(e){var r=[],t=e.value,a=e.key,i=e.style,l=e.styleSpec;t.type||t.ref||r.push(new ValidationError(a,t,'either "type" or "ref" is required'));var u=unbundle(t.type),n=unbundle(t.ref);if(t.id)for(var o=unbundle(t.id),s=0;s<e.arrayIndex;s++){var d=i.layers[s];unbundle(d.id)===o&&r.push(new ValidationError(a,t.id,'duplicate layer id "%s", previously used at line %d',t.id,d.id.__line__))}if("ref"in t){["type","source","source-layer","filter","layout"].forEach(function(e){e in t&&r.push(new ValidationError(a,t[e],'"%s" is prohibited for ref layers',e))});var y;i.layers.forEach(function(e){unbundle(e.id)===n&&(y=e)}),y?y.ref?r.push(new ValidationError(a,t.ref,"ref cannot reference another ref layer")):u=unbundle(y.type):r.push(new ValidationError(a,t.ref,'ref layer "%s" not found',n))}else if("background"!==u)if(t.source){var c=i.sources&&i.sources[t.source],p=c&&unbundle(c.type);c?"vector"===p&&"raster"===u?r.push(new ValidationError(a,t.source,'layer "%s" requires a raster source',t.id)):"raster"===p&&"raster"!==u?r.push(new ValidationError(a,t.source,'layer "%s" requires a vector source',t.id)):"vector"!==p||t["source-layer"]||r.push(new ValidationError(a,t,'layer "%s" must specify a "source-layer"',t.id)):r.push(new ValidationError(a,t.source,'source "%s" not found',t.source))}else r.push(new ValidationError(a,t,'missing required property "source"'));return r=r.concat(validateObject({key:a,value:t,valueSpec:l.layer,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(){return[]},filter:validateFilter,layout:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validateLayoutProperty(extend({layerType:u},e))}}})},paint:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validatePaintProperty(extend({layerType:u},e))}}})}}}))}},{"../error/validation_error":102,"../util/extend":119,"../util/unbundle_jsonlint":123,"./validate_filter":130,"./validate_layout_property":134,"./validate_object":137,"./validate_paint_property":138}],134:[function(require,module,exports){"use strict";var validateProperty=require("./validate_property");module.exports=function(r){return validateProperty(r,"layout")}},{"./validate_property":139}],135:[function(require,module,exports){"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate");module.exports=function(e){var t=e.value,r=e.styleSpec,a=r.light,i=e.style,n=[],o=getType(t);if(void 0===t)return n;if("object"!==o)return n=n.concat([new ValidationError("light",t,"object expected, %s found",o)]);for(var l in t){var c=l.match(/^(.*)-transition$/);n=c&&a[c[1]]&&a[c[1]].transition?n.concat(validate({key:l,value:t[l],valueSpec:r.transition,style:i,styleSpec:r})):a[l]?n.concat(validate({key:l,value:t[l],valueSpec:a[l],style:i,styleSpec:r})):n.concat([new ValidationError(l,t[l],'unknown property "%s"',l)])}return n}},{"../error/validation_error":102,"../util/get_type":120,"./validate":124}],136:[function(require,module,exports){"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,i=e.value,m=e.valueSpec,a=getType(i);return"number"!==a?[new ValidationError(r,i,"number expected, %s found",a)]:"minimum"in m&&i<m.minimum?[new ValidationError(r,i,"%s is less than the minimum value %s",i,m.minimum)]:"maximum"in m&&i>m.maximum?[new ValidationError(r,i,"%s is greater than the maximum value %s",i,m.maximum)]:[]}},{"../error/validation_error":102,"../util/get_type":120}],137:[function(require,module,exports){"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validateSpec=require("./validate");module.exports=function(e){var r=e.key,t=e.value,i=e.valueSpec||{},a=e.objectElementValidators||{},o=e.style,l=e.styleSpec,n=[],u=getType(t);if("object"!==u)return[new ValidationError(r,t,"object expected, %s found",u)];for(var d in t){var p=d.split(".")[0],s=i[p]||i["*"],c=void 0;if(a[p])c=a[p];else if(i[p])c=validateSpec;else if(a["*"])c=a["*"];else{if(!i["*"]){n.push(new ValidationError(r,t[d],'unknown property "%s"',d));continue}c=validateSpec}n=n.concat(c({key:(r?r+".":r)+d,value:t[d],valueSpec:s,style:o,styleSpec:l,object:t,objectKey:d}))}for(var v in i)i[v].required&&void 0===i[v].default&&void 0===t[v]&&n.push(new ValidationError(r,t,'missing required property "%s"',v));return n}},{"../error/validation_error":102,"../util/get_type":120,"./validate":124}],138:[function(require,module,exports){"use strict";var validateProperty=require("./validate_property");module.exports=function(r){return validateProperty(r,"paint")}},{"./validate_property":139}],139:[function(require,module,exports){"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error"),getType=require("../util/get_type");module.exports=function(e,t){var r=e.key,i=e.style,a=e.styleSpec,n=e.value,o=e.objectKey,l=a[t+"_"+e.layerType];if(!l)return[];var y=o.match(/^(.*)-transition$/);if("paint"===t&&y&&l[y[1]]&&l[y[1]].transition)return validate({key:r,value:n,valueSpec:a.transition,style:i,styleSpec:a});var p=e.valueSpec||l[o];if(!p)return[new ValidationError(r,n,'unknown property "%s"',o)];var s;if("string"===getType(n)&&p["property-function"]&&!p.tokens&&(s=/^{([^}]+)}$/.exec(n)))return[new ValidationError(r,n,'"%s" does not support interpolation syntax\nUse an identity property function instead: `{ "type": "identity", "property": %s` }`.',o,JSON.stringify(s[1]))];var u=[];return"symbol"===e.layerType&&"text-field"===o&&i&&!i.glyphs&&u.push(new ValidationError(r,n,'use of "text-field" requires a style "glyphs" property')),u.concat(validate({key:e.key,value:n,valueSpec:p,style:i,styleSpec:a}))}},{"../error/validation_error":102,"../util/get_type":120,"./validate":124}],140:[function(require,module,exports){"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateEnum=require("./validate_enum");module.exports=function(e){var a=e.value,t=e.key,r=e.styleSpec,l=e.style;if(!a.type)return[new ValidationError(t,a,'"type" is required')];var u=unbundle(a.type),i=[];switch(u){case"vector":case"raster":if(i=i.concat(validateObject({key:t,value:a,valueSpec:r.source_tile,style:e.style,styleSpec:r})),"url"in a)for(var s in a)["type","url","tileSize"].indexOf(s)<0&&i.push(new ValidationError(t+"."+s,a[s],'a source with a "url" property may not include a "%s" property',s));return i;case"geojson":return validateObject({key:t,value:a,valueSpec:r.source_geojson,style:l,styleSpec:r});case"video":return validateObject({key:t,value:a,valueSpec:r.source_video,style:l,styleSpec:r});case"image":return validateObject({key:t,value:a,valueSpec:r.source_image,style:l,styleSpec:r});case"canvas":return validateObject({key:t,value:a,valueSpec:r.source_canvas,style:l,styleSpec:r});default:return validateEnum({key:t+".type",value:a.type,valueSpec:{values:["vector","raster","geojson","video","image","canvas"]},style:l,styleSpec:r})}}},{"../error/validation_error":102,"../util/unbundle_jsonlint":123,"./validate_enum":129,"./validate_object":137}],141:[function(require,module,exports){"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(r){var e=r.value,t=r.key,i=getType(e);return"string"!==i?[new ValidationError(t,e,"string expected, %s found",i)]:[]}},{"../error/validation_error":102,"../util/get_type":120}],142:[function(require,module,exports){"use strict";function validateStyleMin(e,a){a=a||latestStyleSpec;var t=[];return t=t.concat(validate({key:"",value:e,valueSpec:a.$root,styleSpec:a,style:e,objectElementValidators:{glyphs:validateGlyphsURL,"*":function(){return[]}}})),a.$version>7&&e.constants&&(t=t.concat(validateConstants({key:"constants",value:e.constants,style:e,styleSpec:a}))),sortErrors(t)}function sortErrors(e){return[].concat(e).sort(function(e,a){return e.line-a.line})}function wrapCleanErrors(e){return function(){return sortErrors(e.apply(this,arguments))}}var validateConstants=require("./validate/validate_constants"),validate=require("./validate/validate"),latestStyleSpec=require("./reference/latest"),validateGlyphsURL=require("./validate/validate_glyphs_url");validateStyleMin.source=wrapCleanErrors(require("./validate/validate_source")),validateStyleMin.light=wrapCleanErrors(require("./validate/validate_light")),validateStyleMin.layer=wrapCleanErrors(require("./validate/validate_layer")),validateStyleMin.filter=wrapCleanErrors(require("./validate/validate_filter")),validateStyleMin.paintProperty=wrapCleanErrors(require("./validate/validate_paint_property")),validateStyleMin.layoutProperty=wrapCleanErrors(require("./validate/validate_layout_property")),module.exports=validateStyleMin},{"./reference/latest":117,"./validate/validate":124,"./validate/validate_constants":128,"./validate/validate_filter":130,"./validate/validate_glyphs_url":132,"./validate/validate_layer":133,"./validate/validate_layout_property":134,"./validate/validate_light":135,"./validate/validate_paint_property":138,"./validate/validate_source":140}],143:[function(require,module,exports){"use strict";var AnimationLoop=function(){this.n=0,this.times=[]};AnimationLoop.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},AnimationLoop.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},AnimationLoop.prototype.cancel=function(t){this.times=this.times.filter(function(i){return i.id!==t})},module.exports=AnimationLoop},{}],144:[function(require,module,exports){"use strict";var Evented=require("../util/evented"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSpriteURL,SpritePosition=function(){this.x=0,this.y=0,this.width=0,this.height=0,this.pixelRatio=1,this.sdf=!1},ImageSprite=function(t){function i(i,e){var a=this;t.call(this),this.base=i,this.retina=browser.devicePixelRatio>1,this.setEventedParent(e);var r=this.retina?"@2x":"";ajax.getJSON(normalizeURL(i,r,".json"),function(t,i){return t?void a.fire("error",{error:t}):(a.data=i,void(a.imgData&&a.fire("data",{dataType:"style"})))}),ajax.getImage(normalizeURL(i,r,".png"),function(t,i){if(t)return void a.fire("error",{error:t});a.imgData=browser.getImageData(i);for(var e=0;e<a.imgData.length;e+=4){var r=a.imgData[e+3]/255;a.imgData[e+0]*=r,a.imgData[e+1]*=r,a.imgData[e+2]*=r}a.width=i.width,a.data&&a.fire("data",{dataType:"style"})})}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.toJSON=function(){return this.base},i.prototype.loaded=function(){return!(!this.data||!this.imgData)},i.prototype.resize=function(){var t=this;if(browser.devicePixelRatio>1!==this.retina){var e=new i(this.base);e.on("data",function(){t.data=e.data,t.imgData=e.imgData,t.width=e.width,t.retina=e.retina})}},i.prototype.getSpritePosition=function(t){if(!this.loaded())return new SpritePosition;var i=this.data&&this.data[t];return i&&this.imgData?i:new SpritePosition},i}(Evented);module.exports=ImageSprite},{"../util/ajax":191,"../util/browser":192,"../util/evented":200,"../util/mapbox":208}],145:[function(require,module,exports){"use strict";var styleSpec=require("../style-spec/reference/latest"),util=require("../util/util"),Evented=require("../util/evented"),validateStyle=require("./validate_style"),StyleDeclaration=require("./style_declaration"),StyleTransition=require("./style_transition"),TRANSITION_SUFFIX="-transition",Light=function(t){function i(i){t.call(this),this.properties=["anchor","color","position","intensity"],this._specifications=styleSpec.light,this.set(i)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.set=function(t){var i=this;if(!this._validate(validateStyle.light,t)){this._declarations={},this._transitions={},this._transitionOptions={},this.calculated={},t=util.extend({anchor:this._specifications.anchor.default,color:this._specifications.color.default,position:this._specifications.position.default,intensity:this._specifications.intensity.default},t);for(var e=0,o=i.properties;e<o.length;e+=1){var n=o[e];i._declarations[n]=new StyleDeclaration(i._specifications[n],t[n])}return this}},i.prototype.getLight=function(){return{anchor:this.getLightProperty("anchor"),color:this.getLightProperty("color"),position:this.getLightProperty("position"),intensity:this.getLightProperty("intensity")}},i.prototype.getLightProperty=function(t){return util.endsWith(t,TRANSITION_SUFFIX)?this._transitionOptions[t]:this._declarations[t]&&this._declarations[t].value},i.prototype.getLightValue=function(t,i){if("position"===t){var e=this._transitions[t].calculate(i),o=util.sphericalToCartesian(e);return{x:o[0],y:o[1],z:o[2]}}return this._transitions[t].calculate(i)},i.prototype.setLight=function(t){var i=this;if(!this._validate(validateStyle.light,t))for(var e in t){var o=t[e];util.endsWith(e,TRANSITION_SUFFIX)?i._transitionOptions[e]=o:null===o||void 0===o?delete i._declarations[e]:i._declarations[e]=new StyleDeclaration(i._specifications[e],o)}},i.prototype.recalculate=function(t){var i=this;for(var e in i._declarations)i.calculated[e]=i.getLightValue(e,{zoom:t})},i.prototype._applyLightDeclaration=function(t,i,e,o,n){var r=e.transition?this._transitions[t]:void 0,a=this._specifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(a,a.default)),!r||r.declaration.json!==i.json){var s=util.extend({duration:300,delay:0},o,this.getLightProperty(t+TRANSITION_SUFFIX)),l=this._transitions[t]=new StyleTransition(a,i,r,s);l.instant()||(l.loopID=n.set(l.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype.updateLightTransitions=function(t,i,e){var o,n=this;for(o in n._declarations)n._applyLightDeclaration(o,n._declarations[o],t,i,e)},i.prototype._validate=function(t,i){return validateStyle.emitErrors(this,t.call(validateStyle,util.extend({value:i,style:{glyphs:!0,sprite:!0},styleSpec:styleSpec})))},i}(Evented);module.exports=Light},{"../style-spec/reference/latest":117,"../util/evented":200,"../util/util":212,"./style_declaration":147,"./style_transition":155,"./validate_style":156}],146:[function(require,module,exports){"use strict";var Evented=require("../util/evented"),StyleLayer=require("./style_layer"),ImageSprite=require("./image_sprite"),Light=require("./light"),GlyphSource=require("../symbol/glyph_source"),SpriteAtlas=require("../symbol/sprite_atlas"),LineAtlas=require("../render/line_atlas"),util=require("../util/util"),ajax=require("../util/ajax"),mapbox=require("../util/mapbox"),browser=require("../util/browser"),Dispatcher=require("../util/dispatcher"),AnimationLoop=require("./animation_loop"),validateStyle=require("./validate_style"),Source=require("../source/source"),QueryFeatures=require("../source/query_features"),SourceCache=require("../source/source_cache"),styleSpec=require("../style-spec/reference/latest"),MapboxGLFunction=require("../style-spec/function"),getWorkerPool=require("../util/global_worker_pool"),deref=require("../style-spec/deref"),diff=require("../style-spec/diff"),rtlTextPlugin=require("../source/rtl_text_plugin"),supportedDiffOperations=util.pick(diff.operations,["addLayer","removeLayer","setPaintProperty","setLayoutProperty","setFilter","addSource","removeSource","setLayerZoomRange","setLight","setTransition"]),ignoredDiffOperations=util.pick(diff.operations,["setCenter","setZoom","setBearing","setPitch"]),Style=function(e){function t(t,r,i){var o=this;e.call(this),this.map=r,this.animationLoop=r&&r.animationLoop||new AnimationLoop,this.dispatcher=new Dispatcher(getWorkerPool(),this),this.spriteAtlas=new SpriteAtlas(1024,1024),this.spriteAtlas.setEventedParent(this),this.lineAtlas=new LineAtlas(256,512),this._layers={},this._order=[],this.sourceCaches={},this.zoomHistory={},this._loaded=!1,util.bindAll(["_redoPlacement"],this),this._resetUpdates(),i=util.extend({validate:"string"!=typeof t||!mapbox.isMapboxURL(t)},i),this.setEventedParent(r),this.fire("dataloading",{dataType:"style"});var s=this;this._rtlTextPluginCallback=rtlTextPlugin.registerForPluginAvailability(function(e){s.dispatcher.broadcast("loadRTLTextPlugin",e.pluginBlobURL,e.errorCallback);for(var t in s.sourceCaches)s.sourceCaches[t].reload()});var a=function(e,t){if(e)return void o.fire("error",{error:e});if(!i.validate||!validateStyle.emitErrors(o,validateStyle(t))){o._loaded=!0,o.stylesheet=t,o.updateClasses();for(var r in t.sources)o.addSource(r,t.sources[r],i);t.sprite&&(o.sprite=new ImageSprite(t.sprite,o)),o.glyphSource=new GlyphSource(t.glyphs),o._resolve(),o.fire("data",{dataType:"style"}),o.fire("style.load")}};"string"==typeof t?ajax.getJSON(mapbox.normalizeStyleURL(t),a):browser.frame(a.bind(this,null,t)),this.on("data",function(e){if("source"===e.dataType&&"metadata"===e.sourceDataType){var t=o.sourceCaches[e.sourceId].getSource();if(t&&t.vectorLayerIds)for(var r in o._layers){var i=o._layers[r];i.source===t.id&&o._validateLayer(i)}}})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype._validateLayer=function(e){var t=this.sourceCaches[e.source];if(e.sourceLayer&&t){var r=t.getSource();("geojson"===r.type||r.vectorLayerIds&&r.vectorLayerIds.indexOf(e.sourceLayer)===-1)&&this.fire("error",{error:new Error('Source layer "'+e.sourceLayer+'" does not exist on source "'+r.id+'" as specified by style layer "'+e.id+'"')})}},t.prototype.loaded=function(){var e=this;if(!this._loaded)return!1;if(Object.keys(this._updatedSources).length)return!1;for(var t in e.sourceCaches)if(!e.sourceCaches[t].loaded())return!1;return!(this.sprite&&!this.sprite.loaded())},t.prototype._resolve=function(){var e=this,t=deref(this.stylesheet.layers);this._order=t.map(function(e){return e.id}),this._layers={};for(var r=0,i=t;r<i.length;r+=1){var o=i[r];o=StyleLayer.create(o),o.setEventedParent(e,{layer:{id:o.id}}),e._layers[o.id]=o}this.dispatcher.broadcast("setLayers",this._serializeLayers(this._order)),this.light=new Light(this.stylesheet.light)},t.prototype._serializeLayers=function(e){var t=this;return e.map(function(e){return t._layers[e].serialize()})},t.prototype._applyClasses=function(e,t){var r=this;if(this._loaded){e=e||[],t=t||{transition:!0};var i=this.stylesheet.transition||{},o=this._updatedAllPaintProps?this._layers:this._updatedPaintProps;for(var s in o){var a=r._layers[s],n=r._updatedPaintProps[s];if(r._updatedAllPaintProps||n.all)a.updatePaintTransitions(e,t,i,r.animationLoop,r.zoomHistory);else for(var l in n)r._layers[s].updatePaintTransition(l,e,t,i,r.animationLoop,r.zoomHistory)}this.light.updateLightTransitions(t,i,this.animationLoop)}},t.prototype._recalculate=function(e){var t=this;if(this._loaded){for(var r in t.sourceCaches)t.sourceCaches[r].used=!1;this._updateZoomHistory(e);for(var i=0,o=t._order;i<o.length;i+=1){var s=o[i],a=t._layers[s];a.recalculate(e),!a.isHidden(e)&&a.source&&(t.sourceCaches[a.source].used=!0)}this.light.recalculate(e);var n=300;Math.floor(this.z)!==Math.floor(e)&&this.animationLoop.set(n),this.z=e}},t.prototype._updateZoomHistory=function(e){var t=this.zoomHistory;void 0===t.lastIntegerZoom&&(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=0,t.lastZoom=e),Math.floor(t.lastZoom)<Math.floor(e)?(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=Date.now()):Math.floor(t.lastZoom)>Math.floor(e)&&(t.lastIntegerZoom=Math.floor(e+1),t.lastIntegerZoomTime=Date.now()),t.lastZoom=e},t.prototype._checkLoaded=function(){if(!this._loaded)throw new Error("Style is not done loading")},t.prototype.update=function(e,t){var r=this;if(this._changed){var i=Object.keys(this._updatedLayers),o=Object.keys(this._removedLayers);(i.length||o.length||this._updatedSymbolOrder)&&this._updateWorkerLayers(i,o);for(var s in r._updatedSources){var a=r._updatedSources[s];"reload"===a?r._reloadSource(s):"clear"===a&&r._clearSource(s)}this._applyClasses(e,t),this._resetUpdates(),this.fire("data",{dataType:"style"})}},t.prototype._updateWorkerLayers=function(e,t){var r=this,i=this._updatedSymbolOrder?this._order.filter(function(e){return"symbol"===r._layers[e].type}):null;this.dispatcher.broadcast("updateLayers",{layers:this._serializeLayers(e),removedIds:t,symbolOrder:i})},t.prototype._resetUpdates=function(){this._changed=!1,this._updatedLayers={},this._removedLayers={},this._updatedSymbolOrder=!1,this._updatedSources={},this._updatedPaintProps={},this._updatedAllPaintProps=!1},t.prototype.setState=function(e){var t=this;if(this._checkLoaded(),validateStyle.emitErrors(this,validateStyle(e)))return!1;e=util.extend({},e),e.layers=deref(e.layers);var r=diff(this.serialize(),e).filter(function(e){return!(e.command in ignoredDiffOperations)});if(0===r.length)return!1;var i=r.filter(function(e){return!(e.command in supportedDiffOperations)});if(i.length>0)throw new Error("Unimplemented: "+i.map(function(e){return e.command}).join(", ")+".");return r.forEach(function(e){"setTransition"!==e.command&&t[e.command].apply(t,e.args)}),this.stylesheet=e,!0},t.prototype.addSource=function(e,t,r){var i=this;if(this._checkLoaded(),void 0!==this.sourceCaches[e])throw new Error("There is already a source with this ID");if(!t.type)throw new Error("The type property must be defined, but the only the following properties were given: "+Object.keys(t)+".");var o=["vector","raster","geojson","video","image","canvas"],s=o.indexOf(t.type)>=0;if(!s||!this._validate(validateStyle.source,"sources."+e,t,null,r)){var a=this.sourceCaches[e]=new SourceCache(e,t,this.dispatcher);a.style=this,a.setEventedParent(this,function(){return{isSourceLoaded:i.loaded(),source:a.serialize(),sourceId:e}}),a.onAdd(this.map),this._changed=!0}},t.prototype.removeSource=function(e){if(this._checkLoaded(),void 0===this.sourceCaches[e])throw new Error("There is no source with this ID");var t=this.sourceCaches[e];delete this.sourceCaches[e],delete this._updatedSources[e],t.setEventedParent(null),t.clearTiles(),t.onRemove&&t.onRemove(this.map),this._changed=!0},t.prototype.getSource=function(e){return this.sourceCaches[e]&&this.sourceCaches[e].getSource()},t.prototype.addLayer=function(e,t,r){this._checkLoaded();var i=e.id;if("object"==typeof e.source&&(this.addSource(i,e.source),e=util.extend(e,{source:i})),!this._validate(validateStyle.layer,"layers."+i,e,{arrayIndex:-1},r)){var o=StyleLayer.create(e);this._validateLayer(o),o.setEventedParent(this,{layer:{id:i}});var s=t?this._order.indexOf(t):this._order.length;if(this._order.splice(s,0,i),this._layers[i]=o,this._removedLayers[i]&&o.source){var a=this._removedLayers[i];delete this._removedLayers[i],this._updatedSources[o.source]=a.type!==o.type?"clear":"reload"}this._updateLayer(o),"symbol"===o.type&&(this._updatedSymbolOrder=!0),this.updateClasses(i)}},t.prototype.moveLayer=function(e,t){this._checkLoaded(),this._changed=!0;var r=this._layers[e];if(!r)return void this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be moved.")});var i=this._order.indexOf(e);this._order.splice(i,1);var o=t?this._order.indexOf(t):this._order.length;this._order.splice(o,0,e),"symbol"===r.type&&(this._updatedSymbolOrder=!0,r.source&&!this._updatedSources[r.source]&&(this._updatedSources[r.source]="reload"))},t.prototype.removeLayer=function(e){this._checkLoaded();var t=this._layers[e];if(!t)return void this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be removed.")});t.setEventedParent(null);var r=this._order.indexOf(e);this._order.splice(r,1),"symbol"===t.type&&(this._updatedSymbolOrder=!0),this._changed=!0,this._removedLayers[e]=t,delete this._layers[e],delete this._updatedLayers[e],delete this._updatedPaintProps[e]},t.prototype.getLayer=function(e){return this._layers[e]},t.prototype.setLayerZoomRange=function(e,t,r){this._checkLoaded();var i=this.getLayer(e);return i?void(i.minzoom===t&&i.maxzoom===r||(null!=t&&(i.minzoom=t),null!=r&&(i.maxzoom=r),this._updateLayer(i))):void this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot have zoom extent.")})},t.prototype.setFilter=function(e,t){this._checkLoaded();var r=this.getLayer(e);return r?void(null!==t&&void 0!==t&&this._validate(validateStyle.filter,"layers."+r.id+".filter",t)||util.deepEqual(r.filter,t)||(r.filter=util.clone(t),this._updateLayer(r))):void this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be filtered.")})},t.prototype.getFilter=function(e){return util.clone(this.getLayer(e).filter)},t.prototype.setLayoutProperty=function(e,t,r){this._checkLoaded();var i=this.getLayer(e);return i?void(util.deepEqual(i.getLayoutProperty(t),r)||(i.setLayoutProperty(t,r),this._updateLayer(i))):void this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be styled.")})},t.prototype.getLayoutProperty=function(e,t){return this.getLayer(e).getLayoutProperty(t)},t.prototype.setPaintProperty=function(e,t,r,i){this._checkLoaded();var o=this.getLayer(e);if(!o)return void this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be styled.")});if(!util.deepEqual(o.getPaintProperty(t,i),r)){var s=o.isPaintValueFeatureConstant(t);o.setPaintProperty(t,r,i);var a=!(r&&MapboxGLFunction.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property);a&&s||this._updateLayer(o),this.updateClasses(e,t)}},t.prototype.getPaintProperty=function(e,t,r){return this.getLayer(e).getPaintProperty(t,r)},t.prototype.getTransition=function(){return util.extend({duration:300,delay:0},this.stylesheet&&this.stylesheet.transition)},t.prototype.updateClasses=function(e,t){if(this._changed=!0,e){var r=this._updatedPaintProps;r[e]||(r[e]={}),r[e][t||"all"]=!0}else this._updatedAllPaintProps=!0},t.prototype.serialize=function(){var e=this;return util.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,light:this.stylesheet.light,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:util.mapObject(this.sourceCaches,function(e){return e.serialize()}),layers:this._order.map(function(t){return e._layers[t].serialize()})},function(e){return void 0!==e})},t.prototype._updateLayer=function(e){this._updatedLayers[e.id]=!0,e.source&&!this._updatedSources[e.source]&&(this._updatedSources[e.source]="reload"),this._changed=!0},t.prototype._flattenRenderedFeatures=function(e){for(var t=this,r=[],i=this._order.length-1;i>=0;i--)for(var o=t._order[i],s=0,a=e;s<a.length;s+=1){var n=a[s],l=n[o];if(l)for(var d=0,u=l;d<u.length;d+=1){var h=u[d];r.push(h)}}return r},t.prototype.queryRenderedFeatures=function(e,t,r,i){var o=this;t&&t.filter&&this._validate(validateStyle.filter,"queryRenderedFeatures.filter",t.filter);var s={};if(t&&t.layers){if(!Array.isArray(t.layers))return void this.fire("error",{error:"parameters.layers must be an Array."});for(var a=0,n=t.layers;a<n.length;a+=1){var l=n[a],d=o._layers[l];if(!d)return void o.fire("error",{error:"The layer '"+l+"' does not exist in the map's style and cannot be queried for features."});s[d.source]=!0}}var u=[];for(var h in o.sourceCaches)if(!t.layers||s[h]){var c=QueryFeatures.rendered(o.sourceCaches[h],o._layers,e,t,r,i);u.push(c)}return this._flattenRenderedFeatures(u)},t.prototype.querySourceFeatures=function(e,t){t&&t.filter&&this._validate(validateStyle.filter,"querySourceFeatures.filter",t.filter);var r=this.sourceCaches[e];return r?QueryFeatures.source(r,t):[]},t.prototype.addSourceType=function(e,t,r){return Source.getType(e)?r(new Error('A source type called "'+e+'" already exists.')):(Source.setType(e,t),t.workerSourceURL?void this.dispatcher.broadcast("loadWorkerSource",{name:e,url:t.workerSourceURL},r):r(null,null))},t.prototype.getLight=function(){return this.light.getLight()},t.prototype.setLight=function(e,t){this._checkLoaded();var r=this.light.getLight(),i=!1;for(var o in e)if(!util.deepEqual(e[o],r[o])){i=!0;break}if(i){var s=this.stylesheet.transition||{};this.light.setLight(e),this.light.updateLightTransitions(t||{transition:!0},s,this.animationLoop)}},t.prototype._validate=function(e,t,r,i,o){return(!o||o.validate!==!1)&&validateStyle.emitErrors(this,e.call(validateStyle,util.extend({key:t,style:this.serialize(),value:r,styleSpec:styleSpec},i)))},t.prototype._remove=function(){var e=this;rtlTextPlugin.evented.off("pluginAvailable",this._rtlTextPluginCallback);for(var t in e.sourceCaches)e.sourceCaches[t].clearTiles();this.dispatcher.remove()},
t.prototype._clearSource=function(e){this.sourceCaches[e].clearTiles()},t.prototype._reloadSource=function(e){this.sourceCaches[e].reload()},t.prototype._updateSources=function(e){var t=this;for(var r in t.sourceCaches)t.sourceCaches[r].update(e)},t.prototype._redoPlacement=function(){var e=this;for(var t in e.sourceCaches)e.sourceCaches[t].redoPlacement()},t.prototype.getIcons=function(e,t,r){var i=this,o=function(){i.spriteAtlas.setSprite(i.sprite),i.spriteAtlas.addIcons(t.icons,r)};!this.sprite||this.sprite.loaded()?o():this.sprite.on("data",o)},t.prototype.getGlyphs=function(e,t,r){function i(e,t,i){e&&console.error(e),n[i]=t,a--,0===a&&r(null,n)}var o=this,s=t.stacks,a=Object.keys(s).length,n={};for(var l in s)o.glyphSource.getSimpleGlyphs(l,s[l],t.uid,i)},t}(Evented);module.exports=Style},{"../render/line_atlas":76,"../source/query_features":88,"../source/rtl_text_plugin":90,"../source/source":91,"../source/source_cache":92,"../style-spec/deref":100,"../style-spec/diff":101,"../style-spec/function":105,"../style-spec/reference/latest":117,"../symbol/glyph_source":165,"../symbol/sprite_atlas":170,"../util/ajax":191,"../util/browser":192,"../util/dispatcher":198,"../util/evented":200,"../util/global_worker_pool":202,"../util/mapbox":208,"../util/util":212,"./animation_loop":143,"./image_sprite":144,"./light":145,"./style_layer":148,"./validate_style":156}],147:[function(require,module,exports){"use strict";var createFunction=require("../style-spec/function"),util=require("../util/util"),StyleDeclaration=function(t,i){var n=this;if(this.value=util.clone(i),this.isFunction=createFunction.isFunctionDefinition(i),this.json=JSON.stringify(this.value),this.minimum=t.minimum,this.function=createFunction(this.value,t),this.isFeatureConstant=this.function.isFeatureConstant,this.isZoomConstant=this.function.isZoomConstant,!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var o=[],e=0,s=n.value.stops;e<s.length;e+=1){var u=s[e],a=u[0].zoom;n.stopZoomLevels.indexOf(a)<0&&(n.stopZoomLevels.push(a),o.push([a,o.length]))}this.functionInterpolationT=createFunction({type:"exponential",stops:o,base:i.base},{type:"number"})}};StyleDeclaration.prototype.calculate=function(t,i){var n=this.function(t&&t.zoom,i||{});return void 0!==this.minimum&&n<this.minimum?this.minimum:n},StyleDeclaration.prototype.calculateInterpolationT=function(t,i){return this.functionInterpolationT(t&&t.zoom,i||{})},module.exports=StyleDeclaration},{"../style-spec/function":105,"../util/util":212}],148:[function(require,module,exports){"use strict";function getDeclarationValue(t){return t.value}var util=require("../util/util"),StyleTransition=require("./style_transition"),StyleDeclaration=require("./style_declaration"),styleSpec=require("../style-spec/reference/latest"),validateStyle=require("./validate_style"),parseColor=require("./../style-spec/util/parse_color"),Evented=require("../util/evented"),TRANSITION_SUFFIX="-transition",StyleLayer=function(t){function i(i){var a=this;t.call(this),this.id=i.id,this.metadata=i.metadata,this.type=i.type,this.source=i.source,this.sourceLayer=i["source-layer"],this.minzoom=i.minzoom,this.maxzoom=i.maxzoom,this.filter=i.filter,this.paint={},this.layout={},this._paintSpecifications=styleSpec["paint_"+this.type],this._layoutSpecifications=styleSpec["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var e,n,o={validate:!1};for(var r in i){var s=r.match(/^paint(?:\.(.*))?$/);if(s){var l=s[1]||"";for(e in i[r])a.setPaintProperty(e,i[r][e],l,o)}}for(n in i.layout)a.setLayoutProperty(n,i.layout[n],o);for(e in a._paintSpecifications)a.paint[e]=a.getPaintValue(e);for(n in a._layoutSpecifications)a._updateLayoutValue(n)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.setLayoutProperty=function(t,i,a){if(null==i)delete this._layoutDeclarations[t];else{var e="layers."+this.id+".layout."+t;if(this._validate(validateStyle.layoutProperty,e,t,i,a))return;this._layoutDeclarations[t]=new StyleDeclaration(this._layoutSpecifications[t],i)}this._updateLayoutValue(t)},i.prototype.getLayoutProperty=function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},i.prototype.getLayoutValue=function(t,i,a){var e=this._layoutSpecifications[t],n=this._layoutDeclarations[t];return n?n.calculate(i,a):e.default},i.prototype.setPaintProperty=function(t,i,a,e){var n="layers."+this.id+(a?'["paint.'+a+'"].':".paint.")+t;if(util.endsWith(t,TRANSITION_SUFFIX))if(this._paintTransitionOptions[a||""]||(this._paintTransitionOptions[a||""]={}),null===i||void 0===i)delete this._paintTransitionOptions[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintTransitionOptions[a||""][t]=i}else if(this._paintDeclarations[a||""]||(this._paintDeclarations[a||""]={}),null===i||void 0===i)delete this._paintDeclarations[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintDeclarations[a||""][t]=new StyleDeclaration(this._paintSpecifications[t],i)}},i.prototype.getPaintProperty=function(t,i){return i=i||"",util.endsWith(t,TRANSITION_SUFFIX)?this._paintTransitionOptions[i]&&this._paintTransitionOptions[i][t]:this._paintDeclarations[i]&&this._paintDeclarations[i][t]&&this._paintDeclarations[i][t].value},i.prototype.getPaintValue=function(t,i,a){var e=this._paintSpecifications[t],n=this._paintTransitions[t];return n?n.calculate(i,a):"color"===e.type&&e.default?parseColor(e.default):e.default},i.prototype.getPaintValueStopZoomLevels=function(t){var i=this._paintTransitions[t];return i?i.declaration.stopZoomLevels:[]},i.prototype.getPaintInterpolationT=function(t,i){var a=this._paintTransitions[t];return a.declaration.calculateInterpolationT(i)},i.prototype.isPaintValueFeatureConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isFeatureConstant},i.prototype.isLayoutValueFeatureConstant=function(t){var i=this._layoutDeclarations[t];return!i||i.isFeatureConstant},i.prototype.isPaintValueZoomConstant=function(t){var i=this._paintTransitions[t];return!i||i.declaration.isZoomConstant},i.prototype.isHidden=function(t){return!!(this.minzoom&&t<this.minzoom)||(!!(this.maxzoom&&t>=this.maxzoom)||"none"===this.layout.visibility)},i.prototype.updatePaintTransitions=function(t,i,a,e,n){for(var o=this,r=util.extend({},this._paintDeclarations[""]),s=0;s<t.length;s++)util.extend(r,o._paintDeclarations[t[s]]);var l;for(l in r)o._applyPaintDeclaration(l,r[l],i,a,e,n);for(l in o._paintTransitions)l in r||o._applyPaintDeclaration(l,null,i,a,e,n)},i.prototype.updatePaintTransition=function(t,i,a,e,n,o){for(var r=this,s=this._paintDeclarations[""][t],l=0;l<i.length;l++){var u=r._paintDeclarations[i[l]];u&&u[t]&&(s=u[t])}this._applyPaintDeclaration(t,s,a,e,n,o)},i.prototype.recalculate=function(t){var i=this;for(var a in i._paintTransitions)i.paint[a]=i.getPaintValue(a,{zoom:t});for(var e in i._layoutFunctions)i.layout[e]=i.getLayoutValue(e,{zoom:t})},i.prototype.serialize=function(){var t=this,i={id:this.id,type:this.type,source:this.source,"source-layer":this.sourceLayer,metadata:this.metadata,minzoom:this.minzoom,maxzoom:this.maxzoom,filter:this.filter,layout:util.mapObject(this._layoutDeclarations,getDeclarationValue)};for(var a in t._paintDeclarations){var e=""===a?"paint":"paint."+a;i[e]=util.mapObject(t._paintDeclarations[a],getDeclarationValue)}return util.filterObject(i,function(t,i){return void 0!==t&&!("layout"===i&&!Object.keys(t).length)})},i.prototype._applyPaintDeclaration=function(t,i,a,e,n,o){var r=a.transition?this._paintTransitions[t]:void 0,s=this._paintSpecifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(s,s.default)),!r||r.declaration.json!==i.json){var l=util.extend({duration:300,delay:0},e,this.getPaintProperty(t+TRANSITION_SUFFIX)),u=this._paintTransitions[t]=new StyleTransition(s,i,r,l,o);u.instant()||(u.loopID=n.set(u.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype._updateLayoutValue=function(t){var i=this._layoutDeclarations[t];i&&i.isFunction?this._layoutFunctions[t]=!0:(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t))},i.prototype._validate=function(t,i,a,e,n){return(!n||n.validate!==!1)&&validateStyle.emitErrors(this,t.call(validateStyle,{key:i,layerType:this.type,objectKey:a,value:e,styleSpec:styleSpec,style:{glyphs:!0,sprite:!0}}))},i}(Evented);module.exports=StyleLayer;var subclasses={circle:require("./style_layer/circle_style_layer"),fill:require("./style_layer/fill_style_layer"),"fill-extrusion":require("./style_layer/fill_extrusion_style_layer"),line:require("./style_layer/line_style_layer"),symbol:require("./style_layer/symbol_style_layer")};StyleLayer.create=function(t){var i=subclasses[t.type]||StyleLayer;return new i(t)}},{"../style-spec/reference/latest":117,"../util/evented":200,"../util/util":212,"./../style-spec/util/parse_color":121,"./style_declaration":147,"./style_layer/circle_style_layer":149,"./style_layer/fill_extrusion_style_layer":150,"./style_layer/fill_style_layer":151,"./style_layer/line_style_layer":152,"./style_layer/symbol_style_layer":153,"./style_transition":155,"./validate_style":156}],149:[function(require,module,exports){"use strict";var StyleLayer=require("../style_layer"),CircleBucket=require("../../data/bucket/circle_bucket"),CircleStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.createBucket=function(e){return new CircleBucket(e)},t}(StyleLayer);module.exports=CircleStyleLayer},{"../../data/bucket/circle_bucket":46,"../style_layer":148}],150:[function(require,module,exports){"use strict";var StyleLayer=require("../style_layer"),FillExtrusionBucket=require("../../data/bucket/fill_extrusion_bucket"),FillExtrusionStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getPaintValue=function(e,r,o){var l=t.prototype.getPaintValue.call(this,e,r,o);return"fill-extrusion-color"===e&&l&&(l[3]=1),l},e.prototype.createBucket=function(t){return new FillExtrusionBucket(t)},e}(StyleLayer);module.exports=FillExtrusionStyleLayer},{"../../data/bucket/fill_extrusion_bucket":48,"../style_layer":148}],151:[function(require,module,exports){"use strict";var StyleLayer=require("../style_layer"),FillBucket=require("../../data/bucket/fill_bucket"),FillStyleLayer=function(t){function o(){t.apply(this,arguments)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.getPaintValue=function(o,l,e){var i=this;if("fill-outline-color"===o){if(void 0===this.getPaintProperty("fill-outline-color"))return t.prototype.getPaintValue.call(this,"fill-color",l,e);for(var r=this._paintTransitions["fill-outline-color"];r;){var n=r&&r.declaration&&r.declaration.value;if(!n)return t.prototype.getPaintValue.call(i,"fill-color",l,e);r=r.oldTransition}}return t.prototype.getPaintValue.call(this,o,l,e)},o.prototype.getPaintValueStopZoomLevels=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintValueStopZoomLevels.call(this,"fill-color"):t.prototype.getPaintValueStopZoomLevels.call(this,o)},o.prototype.getPaintInterpolationT=function(o,l){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintInterpolationT.call(this,"fill-color",l):t.prototype.getPaintInterpolationT.call(this,o,l)},o.prototype.isPaintValueFeatureConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueFeatureConstant.call(this,"fill-color"):t.prototype.isPaintValueFeatureConstant.call(this,o)},o.prototype.isPaintValueZoomConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueZoomConstant.call(this,"fill-color"):t.prototype.isPaintValueZoomConstant.call(this,o)},o.prototype.createBucket=function(t){return new FillBucket(t)},o}(StyleLayer);module.exports=FillStyleLayer},{"../../data/bucket/fill_bucket":47,"../style_layer":148}],152:[function(require,module,exports){"use strict";var StyleLayer=require("../style_layer"),LineBucket=require("../../data/bucket/line_bucket"),util=require("../../util/util"),LineStyleLayer=function(e){function t(){e.apply(this,arguments)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.getPaintValue=function(t,r,o){var i=e.prototype.getPaintValue.call(this,t,r,o);if(i&&"line-dasharray"===t){var a=this.getPaintValue("line-width",util.extend({},r,{zoom:Math.floor(r.zoom)}),o);i.fromScale*=a,i.toScale*=a}return i},t.prototype.createBucket=function(e){return new LineBucket(e)},t}(StyleLayer);module.exports=LineStyleLayer},{"../../data/bucket/line_bucket":49,"../../util/util":212,"../style_layer":148}],153:[function(require,module,exports){"use strict";var StyleLayer=require("../style_layer"),SymbolBucket=require("../../data/bucket/symbol_bucket"),SymbolStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getLayoutValue=function(e,o,r){var a=t.prototype.getLayoutValue.call(this,e,o,r);if("auto"!==a)return a;switch(e){case"text-rotation-alignment":case"icon-rotation-alignment":return"line"===this.getLayoutValue("symbol-placement",o,r)?"map":"viewport";case"text-pitch-alignment":return this.getLayoutValue("text-rotation-alignment",o,r);default:return a}},e.prototype.createBucket=function(t){return new SymbolBucket(t)},e}(StyleLayer);module.exports=SymbolStyleLayer},{"../../data/bucket/symbol_bucket":50,"../style_layer":148}],154:[function(require,module,exports){"use strict";var StyleLayer=require("./style_layer"),util=require("../util/util"),featureFilter=require("../style-spec/feature_filter"),groupByLayout=require("../style-spec/group_by_layout"),StyleLayerIndex=function(e){e&&this.replace(e)};StyleLayerIndex.prototype.replace=function(e){var r=this;this.symbolOrder=[];for(var t=0,i=e;t<i.length;t+=1){var a=i[t];"symbol"===a.type&&r.symbolOrder.push(a.id)}this._layerConfigs={},this._layers={},this.update(e,[])},StyleLayerIndex.prototype.update=function(e,r,t){for(var i=this,a=0,l=e;a<l.length;a+=1){var y=l[a];i._layerConfigs[y.id]=y;var s=i._layers[y.id]=StyleLayer.create(y);s.updatePaintTransitions({},{transition:!1}),s.filter=featureFilter(s.filter)}for(var o=0,u=r;o<u.length;o+=1){var n=u[o];delete i._layerConfigs[n],delete i._layers[n]}t&&(this.symbolOrder=t),this.familiesBySource={};for(var f=groupByLayout(util.values(this._layerConfigs)),p=0,d=f;p<d.length;p+=1){var h=d[p],c=h.map(function(e){return i._layers[e.id]}),v=c[0];if(!v.layout||"none"!==v.layout.visibility){var _=v.source||"",g=i.familiesBySource[_];g||(g=i.familiesBySource[_]={});var L=v.sourceLayer||"_geojsonTileLayer",m=g[L];m||(m=g[L]=[]),m.push(c)}}},module.exports=StyleLayerIndex},{"../style-spec/feature_filter":103,"../style-spec/group_by_layout":106,"../util/util":212,"./style_layer":148}],155:[function(require,module,exports){"use strict";function interpZoomTransitioned(t,i,o){if(void 0!==t&&void 0!==i)return{from:t.to,fromScale:t.toScale,to:i.to,toScale:i.toScale,t:o}}var util=require("../util/util"),interpolate=require("../util/interpolate"),fakeZoomHistory={lastIntegerZoom:0,lastIntegerZoomTime:0,lastZoom:0},StyleTransition=function(t,i,o,e,a){this.declaration=i,this.startTime=this.endTime=(new Date).getTime(),this.oldTransition=o,this.duration=e.duration||0,this.delay=e.delay||0,this.zoomTransitioned="piecewise-constant"===t.function&&t.transition,this.interp=this.zoomTransitioned?interpZoomTransitioned:interpolate[t.type],this.zoomHistory=a||fakeZoomHistory,this.instant()||(this.endTime=this.startTime+this.duration+this.delay),o&&o.endTime<=this.startTime&&delete o.oldTransition};StyleTransition.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},StyleTransition.prototype.calculate=function(t,i,o){var e=this._calculateTargetValue(t,i);if(this.instant())return e;if(o=o||Date.now(),o>=this.endTime)return e;var a=this.oldTransition.calculate(t,i,this.startTime),n=util.easeCubicInOut((o-this.startTime-this.delay)/this.duration);return this.interp(a,e,n)},StyleTransition.prototype._calculateTargetValue=function(t,i){if(!this.zoomTransitioned)return this.declaration.calculate(t,i);var o=t.zoom,e=this.zoomHistory.lastIntegerZoom,a=o>e?2:.5,n=this.declaration.calculate({zoom:o>e?o-1:o+1},i),r=this.declaration.calculate({zoom:o},i),s=Math.min((Date.now()-this.zoomHistory.lastIntegerZoomTime)/this.duration,1),l=Math.abs(o-e),u=interpolate(s,1,l);return void 0!==n&&void 0!==r?{from:n,fromScale:a,to:r,toScale:1,t:u}:void 0},module.exports=StyleTransition},{"../util/interpolate":204,"../util/util":212}],156:[function(require,module,exports){"use strict";module.exports=require("../style-spec/validate_style.min"),module.exports.emitErrors=function(r,e){if(e&&e.length){for(var t=0;t<e.length;t++)r.fire("error",{error:new Error(e[t].message)});return!0}return!1}},{"../style-spec/validate_style.min":142}],157:[function(require,module,exports){"use strict";var Point=require("point-geometry"),Anchor=function(t){function o(o,e,n,r){t.call(this,o,e),this.angle=n,void 0!==r&&(this.segment=r)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.clone=function(){return new o(this.x,this.y,this.angle,this.segment)},o}(Point);module.exports=Anchor},{"point-geometry":26}],158:[function(require,module,exports){"use strict";function checkMaxAngle(e,t,a,r,n){if(void 0===t.segment)return!0;for(var i=t,s=t.segment+1,f=0;f>-a/2;){if(s--,s<0)return!1;f-=e[s].dist(i),i=e[s]}f+=e[s].dist(e[s+1]),s++;for(var l=[],o=0;f<a/2;){var u=e[s-1],c=e[s],g=e[s+1];if(!g)return!1;var h=u.angleTo(c)-c.angleTo(g);for(h=Math.abs((h+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:f,angleDelta:h}),o+=h;f-l[0].distance>r;)o-=l.shift().angleDelta;if(o>n)return!1;s++,f+=c.dist(g)}return!0}module.exports=checkMaxAngle},{}],159:[function(require,module,exports){"use strict";function clipLine(n,x,y,o,e){for(var r=[],t=0;t<n.length;t++)for(var i=n[t],u=void 0,d=0;d<i.length-1;d++){var P=i[d],w=i[d+1];P.x<x&&w.x<x||(P.x<x?P=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round():w.x<x&&(w=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round()),P.y<y&&w.y<y||(P.y<y?P=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round():w.y<y&&(w=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round()),P.x>=o&&w.x>=o||(P.x>=o?P=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round():w.x>=o&&(w=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round()),P.y>=e&&w.y>=e||(P.y>=e?P=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round():w.y>=e&&(w=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round()),u&&P.equals(u[u.length-1])||(u=[P],r.push(u)),u.push(w)))))}return r}var Point=require("point-geometry");module.exports=clipLine},{"point-geometry":26}],160:[function(require,module,exports){"use strict";var createStructArrayType=require("../util/struct_array"),Point=require("point-geometry"),CollisionBoxArray=createStructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});Object.defineProperty(CollisionBoxArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),module.exports=CollisionBoxArray},{"../util/struct_array":210,"point-geometry":26}],161:[function(require,module,exports){"use strict";var CollisionFeature=function(t,e,i,o,s,a,n,r,l,d,u){var h=n.top*r-l,x=n.bottom*r+l,f=n.left*r-l,m=n.right*r+l;if(this.boxStartIndex=t.length,d){var _=x-h,b=m-f;if(_>0)if(_=Math.max(10*r,_),u){var v=e[i.segment+1].sub(e[i.segment])._unit()._mult(b),c=[i.sub(v),i.add(v)];this._addLineCollisionBoxes(t,c,i,0,b,_,o,s,a)}else this._addLineCollisionBoxes(t,e,i,i.segment,b,_,o,s,a)}else t.emplaceBack(i.x,i.y,f,h,m,x,1/0,o,s,a,0,0,0,0,0);this.boxEndIndex=t.length};CollisionFeature.prototype._addLineCollisionBoxes=function(t,e,i,o,s,a,n,r,l){var d=a/2,u=Math.floor(s/d),h=-a/2,x=this.boxes,f=i,m=o+1,_=h;do{if(m--,m<0)return x;_-=e[m].dist(f),f=e[m]}while(_>-s/2);for(var b=e[m].dist(e[m+1]),v=0;v<u;v++){for(var c=-s/2+v*d;_+b<c;){if(_+=b,m++,m+1>=e.length)return x;b=e[m].dist(e[m+1])}var g=c-_,p=e[m],C=e[m+1],B=C.sub(p)._unit()._mult(g)._add(p)._round(),M=Math.max(Math.abs(c-h)-d/2,0),y=s/2/M;t.emplaceBack(B.x,B.y,-a/2,-a/2,a/2,a/2,y,n,r,l,0,0,0,0,0)}return x},module.exports=CollisionFeature},{}],162:[function(require,module,exports){"use strict";var Point=require("point-geometry"),EXTENT=require("../data/extent"),Grid=require("grid-index"),intersectionTests=require("../util/intersection_tests"),CollisionTile=function(t,e,i){if("object"==typeof t){var r=t;i=e,t=r.angle,e=r.pitch,this.grid=new Grid(r.grid),this.ignoredGrid=new Grid(r.ignoredGrid)}else this.grid=new Grid(EXTENT,12,6),this.ignoredGrid=new Grid(EXTENT,12,0);this.minScale=.5,this.maxScale=2,this.angle=t,this.pitch=e;var a=Math.sin(t),o=Math.cos(t);if(this.rotationMatrix=[o,-a,a,o],this.reverseRotationMatrix=[o,a,-a,o],this.yStretch=1/Math.cos(e/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=i,0===i.length){i.emplaceBack();var n=32767;i.emplaceBack(0,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(EXTENT,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(0,0,-n,0,n,0,n,0,0,0,0,0,0,0,0,0),i.emplaceBack(0,EXTENT,-n,0,n,0,n,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=i.get(0),this.edges=[i.get(1),i.get(2),i.get(3),i.get(4)]};CollisionTile.prototype.serialize=function(t){var e=this.grid.toArrayBuffer(),i=this.ignoredGrid.toArrayBuffer();return t&&(t.push(e),t.push(i)),{angle:this.angle,pitch:this.pitch,grid:e,ignoredGrid:i}},CollisionTile.prototype.placeCollisionFeature=function(t,e,i){for(var r=this,a=this.collisionBoxArray,o=this.minScale,n=this.rotationMatrix,l=this.yStretch,h=t.boxStartIndex;h<t.boxEndIndex;h++){var s=a.get(h),x=s.anchorPoint._matMult(n),c=x.x,g=x.y,y=c+s.x1,d=g+s.y1*l,m=c+s.x2,u=g+s.y2*l;if(s.bbox0=y,s.bbox1=d,s.bbox2=m,s.bbox3=u,!e)for(var p=r.grid.query(y,d,m,u),M=0;M<p.length;M++){var f=a.get(p[M]),v=f.anchorPoint._matMult(n);if(o=r.getPlacementScale(o,x,s,v,f),o>=r.maxScale)return o}if(i){var S=void 0;if(r.angle){var P=r.reverseRotationMatrix,b=new Point(s.x1,s.y1).matMult(P),T=new Point(s.x2,s.y1).matMult(P),w=new Point(s.x1,s.y2).matMult(P),N=new Point(s.x2,s.y2).matMult(P);S=r.tempCollisionBox,S.anchorPointX=s.anchorPoint.x,S.anchorPointY=s.anchorPoint.y,S.x1=Math.min(b.x,T.x,w.x,N.x),S.y1=Math.min(b.y,T.x,w.x,N.x),S.x2=Math.max(b.x,T.x,w.x,N.x),S.y2=Math.max(b.y,T.x,w.x,N.x),S.maxScale=s.maxScale}else S=s;for(var B=0;B<this.edges.length;B++){var G=r.edges[B];if(o=r.getPlacementScale(o,s.anchorPoint,S,G.anchorPoint,G),o>=r.maxScale)return o}}}return o},CollisionTile.prototype.queryRenderedSymbols=function(t,e){var i={},r=[];if(0===t.length||0===this.grid.length&&0===this.ignoredGrid.length)return r;for(var a=this.collisionBoxArray,o=this.rotationMatrix,n=this.yStretch,l=[],h=1/0,s=1/0,x=-(1/0),c=-(1/0),g=0;g<t.length;g++)for(var y=t[g],d=0;d<y.length;d++){var m=y[d].matMult(o);h=Math.min(h,m.x),s=Math.min(s,m.y),x=Math.max(x,m.x),c=Math.max(c,m.y),l.push(m)}for(var u=this.grid.query(h,s,x,c),p=this.ignoredGrid.query(h,s,x,c),M=0;M<p.length;M++)u.push(p[M]);for(var f=Math.pow(2,Math.ceil(Math.log(e)/Math.LN2*10)/10),v=0;v<u.length;v++){var S=a.get(u[v]),P=S.sourceLayerIndex,b=S.featureIndex;if(void 0===i[P]&&(i[P]={}),!i[P][b]&&!(f<S.placementScale||f>S.maxScale)){var T=S.anchorPoint.matMult(o),w=T.x+S.x1/e,N=T.y+S.y1/e*n,B=T.x+S.x2/e,G=T.y+S.y2/e*n,E=[new Point(w,N),new Point(B,N),new Point(B,G),new Point(w,G)];intersectionTests.polygonIntersectsPolygon(l,E)&&(i[P][b]=!0,r.push(u[v]))}}return r},CollisionTile.prototype.getPlacementScale=function(t,e,i,r,a){var o=e.x-r.x,n=e.y-r.y,l=(a.x1-i.x2)/o,h=(a.x2-i.x1)/o,s=(a.y1-i.y2)*this.yStretch/n,x=(a.y2-i.y1)*this.yStretch/n;(isNaN(l)||isNaN(h))&&(l=h=1),(isNaN(s)||isNaN(x))&&(s=x=1);var c=Math.min(Math.max(l,h),Math.max(s,x)),g=a.maxScale,y=i.maxScale;return c>g&&(c=g),c>y&&(c=y),c>t&&c>=a.placementScale&&(t=c),t},CollisionTile.prototype.insertCollisionFeature=function(t,e,i){for(var r=this,a=i?this.ignoredGrid:this.grid,o=this.collisionBoxArray,n=t.boxStartIndex;n<t.boxEndIndex;n++){var l=o.get(n);l.placementScale=e,e<r.maxScale&&a.insert(n,l.bbox0,l.bbox1,l.bbox2,l.bbox3)}},module.exports=CollisionTile},{"../data/extent":54,"../util/intersection_tests":205,"grid-index":16,"point-geometry":26}],163:[function(require,module,exports){"use strict";function getAnchors(e,r,t,n,a,l,o,i,h){var c=n?.6*l*o:0,s=Math.max(n?n.right-n.left:0,a?a.right-a.left:0),u=0===e[0].x||e[0].x===h||0===e[0].y||e[0].y===h;r-s*o<r/4&&(r=s*o+r/4);var g=2*l,p=u?r/2*i%r:(s/2+g)*o*i%r;return resample(e,p,r,c,t,s*o,u,!1,h)}function resample(e,r,t,n,a,l,o,i,h){for(var c=l/2,s=0,u=0;u<e.length-1;u++)s+=e[u].dist(e[u+1]);for(var g=0,p=r-t,x=[],f=0;f<e.length-1;f++){for(var v=e[f],m=e[f+1],A=v.dist(m),y=m.angleTo(v);p+t<g+A;){p+=t;var d=(p-g)/A,k=interpolate(v.x,m.x,d),q=interpolate(v.y,m.y,d);if(k>=0&&k<h&&q>=0&&q<h&&p-c>=0&&p+c<=s){var M=new Anchor(k,q,y,f)._round();n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=A}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,h)),x}var interpolate=require("../util/interpolate"),Anchor=require("../symbol/anchor"),checkMaxAngle=require("./check_max_angle");module.exports=getAnchors},{"../symbol/anchor":157,"../util/interpolate":204,"./check_max_angle":158}],164:[function(require,module,exports){"use strict";var ShelfPack=require("@mapbox/shelf-pack"),util=require("../util/util"),SIZE_GROWTH_RATE=4,DEFAULT_SIZE=128,MAX_SIZE=2048,GlyphAtlas=function(){this.width=DEFAULT_SIZE,this.height=DEFAULT_SIZE,this.atlas=new ShelfPack(this.width,this.height),this.index={},this.ids={},this.data=new Uint8Array(this.width*this.height)};GlyphAtlas.prototype.getGlyphs=function(){var t,i,e,h=this,r={};for(var s in h.ids)t=s.split("#"),i=t[0],e=t[1],r[i]||(r[i]=[]),r[i].push(e);return r},GlyphAtlas.prototype.getRects=function(){var t,i,e,h=this,r={};for(var s in h.ids)t=s.split("#"),i=t[0],e=t[1],r[i]||(r[i]={}),r[i][e]=h.index[s];return r},GlyphAtlas.prototype.addGlyph=function(t,i,e,h){var r=this;if(!e)return null;var s=i+"#"+e.id;if(this.index[s])return this.ids[s].indexOf(t)<0&&this.ids[s].push(t),this.index[s];if(!e.bitmap)return null;var a=e.width+2*h,E=e.height+2*h,n=1,l=a+2*n,T=E+2*n;l+=4-l%4,T+=4-T%4;var u=this.atlas.packOne(l,T);if(u||(this.resize(),u=this.atlas.packOne(l,T)),!u)return util.warnOnce("glyph bitmap overflow"),null;this.index[s]=u,this.ids[s]=[t];for(var d=this.data,p=e.bitmap,A=0;A<E;A++)for(var _=r.width*(u.y+A+n)+u.x+n,o=a*A,x=0;x<a;x++)d[_+x]=p[o+x];return this.dirty=!0,u},GlyphAtlas.prototype.resize=function(){var t=this,i=this.width,e=this.height;if(!(i>=MAX_SIZE||e>=MAX_SIZE)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=SIZE_GROWTH_RATE,this.height*=SIZE_GROWTH_RATE,this.atlas.resize(this.width,this.height);for(var h=new ArrayBuffer(this.width*this.height),r=0;r<e;r++){var s=new Uint8Array(t.data.buffer,e*r,i),a=new Uint8Array(h,e*r*SIZE_GROWTH_RATE,i);a.set(s)}this.data=new Uint8Array(h)}},GlyphAtlas.prototype.bind=function(t){this.gl=t,this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,null))},GlyphAtlas.prototype.updateTexture=function(t){this.bind(t),this.dirty&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.ALPHA,t.UNSIGNED_BYTE,this.data),this.dirty=!1)},module.exports=GlyphAtlas},{"../util/util":212,"@mapbox/shelf-pack":2}],165:[function(require,module,exports){"use strict";function glyphUrl(t,e,a,l){return l=l||"abc",a.replace("{s}",l[t.length%l.length]).replace("{fontstack}",t).replace("{range}",e)}var normalizeURL=require("../util/mapbox").normalizeGlyphsURL,ajax=require("../util/ajax"),verticalizePunctuation=require("../util/verticalize_punctuation"),Glyphs=require("../util/glyphs"),GlyphAtlas=require("../symbol/glyph_atlas"),Protobuf=require("pbf"),SimpleGlyph=function(t,e,a){var l=1;this.advance=t.advance,this.left=t.left-a-l,this.top=t.top+a+l,this.rect=e},GlyphSource=function(t){this.url=t&&normalizeURL(t),this.atlases={},this.stacks={},this.loading={}};GlyphSource.prototype.getSimpleGlyphs=function(t,e,a,l){var i=this;void 0===this.stacks[t]&&(this.stacks[t]={}),void 0===this.atlases[t]&&(this.atlases[t]=new GlyphAtlas);for(var r={},o=this.stacks[t],s=this.atlases[t],n=3,h={},p=0,u=function(e){var l=Math.floor(e/256);if(o[l]){var i=o[l].glyphs[e],u=s.addGlyph(a,t,i,n);i&&(r[e]=new SimpleGlyph(i,u,n))}else void 0===h[l]&&(h[l]=[],p++),h[l].push(e)},c=0;c<e.length;c++){var y=e[c],f=String.fromCharCode(y);u(y),verticalizePunctuation.lookup[f]&&u(verticalizePunctuation.lookup[f].charCodeAt(0))}p||l(void 0,r,t);var v=function(e,o,u){if(!e)for(var c=i.stacks[t][o]=u.stacks[0],y=0;y<h[o].length;y++){var f=h[o][y],v=c.glyphs[f],d=s.addGlyph(a,t,v,n);v&&(r[f]=new SimpleGlyph(v,d,n))}p--,p||l(void 0,r,t)};for(var d in h)i.loadRange(t,d,v)},GlyphSource.prototype.loadRange=function(t,e,a){if(256*e>65535)return a("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var l=this.loading[t];if(l[e])l[e].push(a);else{l[e]=[a];var i=256*e+"-"+(256*e+255),r=glyphUrl(t,i,this.url);ajax.getArrayBuffer(r,function(t,a){for(var i=!t&&new Glyphs(new Protobuf(a.data)),r=0;r<l[e].length;r++)l[e][r](t,e,i);delete l[e]})}},GlyphSource.prototype.getGlyphAtlas=function(t){return this.atlases[t]},module.exports=GlyphSource},{"../symbol/glyph_atlas":164,"../util/ajax":191,"../util/glyphs":203,"../util/mapbox":208,"../util/verticalize_punctuation":214,pbf:25}],166:[function(require,module,exports){"use strict";module.exports=function(e){function t(t){g.push(e[t]),l++}function r(e,t,r){var n=u[e];return delete u[e],u[t]=n,g[n].geometry[0].pop(),g[n].geometry[0]=g[n].geometry[0].concat(r[0]),n}function n(e,t,r){var n=i[t];return delete i[t],i[e]=n,g[n].geometry[0].shift(),g[n].geometry[0]=r[0].concat(g[n].geometry[0]),n}function o(e,t,r){var n=r?t[0][t[0].length-1]:t[0][0];return e+":"+n.x+":"+n.y}for(var i={},u={},g=[],l=0,m=0;m<e.length;m++){var y=e[m],c=y.geometry,f=y.text;if(f){var a=o(f,c),s=o(f,c,!0);if(a in u&&s in i&&u[a]!==i[s]){var v=n(a,s,c),d=r(a,s,g[v].geometry);delete i[a],delete u[s],u[o(f,g[d].geometry,!0)]=d,g[v].geometry=null}else a in u?r(a,s,c):s in i?n(a,s,c):(t(m),i[a]=l-1,u[s]=l-1)}else t(m)}return g.filter(function(e){return e.geometry})}},{}],167:[function(require,module,exports){"use strict";function SymbolQuad(t,e,a,n,i,o,l,h,r,s,g){this.anchorPoint=t,this.tl=e,this.tr=a,this.bl=n,this.br=i,this.tex=o,this.anchorAngle=l,this.glyphAngle=h,this.minScale=r,this.maxScale=s,this.writingMode=g}function getIconQuads(t,e,a,n,i,o,l,h,r){
var s,g,u,c,m=e.image.rect,f=i.layout,d=1,x=e.left-d,P=x+m.w/e.image.pixelRatio,y=e.top-d,M=y+m.h/e.image.pixelRatio;if("none"!==f["icon-text-fit"]&&l){var p=P-x,v=M-y,w=f["text-size"]/24,S=l.left*w,b=l.right*w,I=l.top*w,_=l.bottom*w,Q=b-S,G=_-I,k=f["icon-text-fit-padding"][0],q=f["icon-text-fit-padding"][1],A=f["icon-text-fit-padding"][2],R=f["icon-text-fit-padding"][3],z="width"===f["icon-text-fit"]?.5*(G-v):0,L="height"===f["icon-text-fit"]?.5*(Q-p):0,V="width"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?Q:p,j="height"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?G:v;s=new Point(S+L-R,I+z-k),g=new Point(S+L+q+V,I+z-k),u=new Point(S+L+q+V,I+z+A+j),c=new Point(S+L-R,I+z+A+j)}else s=new Point(x,y),g=new Point(P,y),u=new Point(P,M),c=new Point(x,M);var B=i.getLayoutValue("icon-rotate",h,r)*Math.PI/180;if(o){var C=n[t.segment];if(t.y===C.y&&t.x===C.x&&t.segment+1<n.length){var D=n[t.segment+1];B+=Math.atan2(t.y-D.y,t.x-D.x)+Math.PI}else B+=Math.atan2(t.y-C.y,t.x-C.x)}if(B){var E=Math.sin(B),F=Math.cos(B),H=[F,-E,E,F];s=s.matMult(H),g=g.matMult(H),c=c.matMult(H),u=u.matMult(H)}return[new SymbolQuad(new Point(t.x,t.y),s,g,c,u,e.image.rect,0,0,minScale,1/0)]}function getGlyphQuads(t,e,a,n,i,o){for(var l=i.layout["text-rotate"]*Math.PI/180,h=i.layout["text-keep-upright"],r=e.positionedGlyphs,s=[],g=0;g<r.length;g++){var u=r[g],c=u.glyph;if(c){var m=c.rect;if(m){var f=(u.x+c.advance/2)*a,d=void 0,x=minScale;o?(d=[],x=getSegmentGlyphs(d,t,f,n,t.segment,!0),h&&(x=Math.min(x,getSegmentGlyphs(d,t,f,n,t.segment,!1)))):d=[{anchorPoint:new Point(t.x,t.y),offset:0,angle:0,maxScale:1/0,minScale:minScale}];var P=u.x+c.left,y=u.y-c.top,M=P+m.w,p=y+m.h,v=new Point(u.x,c.advance/2),w=new Point(P,y),S=new Point(M,y),b=new Point(P,p),I=new Point(M,p);0!==u.angle&&(w._sub(v)._rotate(u.angle)._add(v),S._sub(v)._rotate(u.angle)._add(v),b._sub(v)._rotate(u.angle)._add(v),I._sub(v)._rotate(u.angle)._add(v));for(var _=0;_<d.length;_++){var Q=d[_],G=w,k=S,q=b,A=I;if(l){var R=Math.sin(l),z=Math.cos(l),L=[z,-R,R,z];G=G.matMult(L),k=k.matMult(L),q=q.matMult(L),A=A.matMult(L)}var V=Math.max(Q.minScale,x),j=(t.angle+Q.offset+2*Math.PI)%(2*Math.PI),B=(Q.angle+Q.offset+2*Math.PI)%(2*Math.PI);s.push(new SymbolQuad(Q.anchorPoint,G,k,q,A,m,j,B,V,Q.maxScale,e.writingMode))}}}}return s}function getSegmentGlyphs(t,e,a,n,i,o){var l=!o;a<0&&(o=!o),o&&i++;var h=new Point(e.x,e.y),r=n[i],s=1/0;a=Math.abs(a);for(var g=minScale;;){var u=h.dist(r),c=a/u,m=Math.atan2(r.y-h.y,r.x-h.x);if(o||(m+=Math.PI),t.push({anchorPoint:h,offset:l?Math.PI:0,minScale:c,maxScale:s,angle:(m+2*Math.PI)%(2*Math.PI)}),c<=g)break;for(h=r;h.equals(r);)if(i+=o?1:-1,r=n[i],!r)return c;var f=r.sub(h)._unit();h=h.sub(f._mult(u)),s=c}return g}var Point=require("point-geometry");module.exports={getIconQuads:getIconQuads,getGlyphQuads:getGlyphQuads,SymbolQuad:SymbolQuad};var minScale=.5},{"point-geometry":26}],168:[function(require,module,exports){"use strict";var resolveTokens=require("../util/token");module.exports=function(e,t,o){var r=e.getLayoutValue("text-field",t,o);if(e.isLayoutValueFeatureConstant("text-field")&&(r=resolveTokens(o,r)),r){r=r.toString();var a=e.getLayoutValue("text-transform",t,o);return"uppercase"===a?r=r.toLocaleUpperCase():"lowercase"===a&&(r=r.toLocaleLowerCase()),r}}},{"../util/token":211}],169:[function(require,module,exports){"use strict";function PositionedGlyph(e,t,i,n,r){this.codePoint=e,this.x=t,this.y=i,this.glyph=n||null,this.angle=r}function Shaping(e,t,i,n,r,a,o){this.positionedGlyphs=e,this.text=t,this.top=i,this.bottom=n,this.left=r,this.right=a,this.writingMode=o}function breakLines(e,t){for(var i=[],n=0,r=0,a=t;r<a.length;r+=1){var o=a[r];i.push(e.substring(n,o)),n=o}return n<e.length&&i.push(e.substring(n,e.length)),i}function shapeText(e,t,i,n,r,a,o,s,h,l,c){var u=e.trim();c===WritingMode.vertical&&(u=verticalizePunctuation(u));var d,g=[],p=new Shaping(g,u,h[1],h[1],h[0],h[0],c);return d=rtlTextPlugin.processBidirectionalText?rtlTextPlugin.processBidirectionalText(u,determineLineBreaks(u,s,i,t)):breakLines(u,determineLineBreaks(u,s,i,t)),shapeLines(p,t,d,n,r,a,o,h,c,s,l),!!g.length&&p}function determineAverageLineWidth(e,t,i,n){var r=0;for(var a in e){var o=n[e.charCodeAt(a)];o&&(r+=o.advance+t)}var s=Math.max(1,Math.ceil(r/i));return r/s}function calculateBadness(e,t,i,n){var r=Math.pow(e-t,2);return n?e<t?r/2:2*r:r+Math.abs(i)*i}function calculatePenalty(e,t){var i=0;return 10===e&&(i-=1e4),40!==e&&65288!==e||(i+=50),41!==t&&65289!==t||(i+=50),i}function evaluateBreak(e,t,i,n,r,a){for(var o=null,s=calculateBadness(t,i,r,a),h=0,l=n;h<l.length;h+=1){var c=l[h],u=t-c.x,d=calculateBadness(u,i,r,a)+c.badness;d<=s&&(o=c,s=d)}return{index:e,x:t,priorBreak:o,badness:s}}function leastBadBreaks(e){return e?leastBadBreaks(e.priorBreak).concat(e.index):[]}function determineLineBreaks(e,t,i,n){if(!i)return[];if(!e)return[];for(var r=[],a=determineAverageLineWidth(e,t,i,n),o=0,s=0;s<e.length;s++){var h=e.charCodeAt(s),l=n[h];l&&!whitespace[h]&&(o+=l.advance+t),s<e.length-1&&(breakable[h]||scriptDetection.charAllowsIdeographicBreaking(h))&&r.push(evaluateBreak(s+1,o,a,r,calculatePenalty(h,e.charCodeAt(s+1)),!1))}return leastBadBreaks(evaluateBreak(e.length,o,a,r,0,!0))}function shapeLines(e,t,i,n,r,a,o,s,h,l,c){var u=-17,d=0,g=u,p=0,v=e.positionedGlyphs;for(var f in i){var x=i[f].trim();if(x.length){for(var B=v.length,k=0;k<x.length;k++){var P=x.charCodeAt(k),b=t[P];b&&(scriptDetection.charHasUprightVerticalOrientation(P)&&h!==WritingMode.horizontal?(v.push(new PositionedGlyph(P,d,0,b,-Math.PI/2)),d+=c+l):(v.push(new PositionedGlyph(P,d,g,b,0)),d+=b.advance+l))}if(v.length!==B){var m=d-l;p=Math.max(m,p),justifyLine(v,t,B,v.length-1,o)}d=0,g+=n}else g+=n}align(v,o,r,a,p,n,i.length,s);var y=i.length*n;e.top+=-a*y,e.bottom=e.top+y,e.left+=-r*p,e.right=e.left+p}function justifyLine(e,t,i,n,r){if(r)for(var a=t[e[n].codePoint].advance,o=(e[n].x+a)*r,s=i;s<=n;s++)e[s].x-=o}function align(e,t,i,n,r,a,o,s){for(var h=(t-i)*r+s[0],l=(-n*o+.5)*a+s[1],c=0;c<e.length;c++)e[c].x+=h,e[c].y+=l}function shapeIcon(e,t){if(!e||!e.rect)return null;var i=t[0],n=t[1],r=i-e.width/2,a=r+e.width,o=n-e.height/2,s=o+e.height;return new PositionedIcon(e,o,s,r,a)}function PositionedIcon(e,t,i,n,r){this.image=e,this.top=t,this.bottom=i,this.left=n,this.right=r}var scriptDetection=require("../util/script_detection"),verticalizePunctuation=require("../util/verticalize_punctuation"),rtlTextPlugin=require("../source/rtl_text_plugin"),WritingMode={horizontal:1,vertical:2};module.exports={shapeText:shapeText,shapeIcon:shapeIcon,WritingMode:WritingMode};var whitespace={9:!0,10:!0,11:!0,12:!0,13:!0,32:!0},breakable={10:!0,32:!0,38:!0,40:!0,41:!0,43:!0,45:!0,47:!0,173:!0,183:!0,8203:!0,8208:!0,8211:!0,8231:!0}},{"../source/rtl_text_plugin":90,"../util/script_detection":209,"../util/verticalize_punctuation":214}],170:[function(require,module,exports){"use strict";function copyBitmap(t,i,e,r,a,h,s,o,n,l,p){var f,u,d=r*i+e,g=o*h+s;if(p)for(g-=h,u=-1;u<=l;u++,g+=h)for(d=((u+l)%l+r)*i+e,f=-1;f<=n;f++)a[g+f]=t[d+(f+n)%n];else for(u=0;u<l;u++,d+=i,g+=h)for(f=0;f<n;f++)a[g+f]=t[d+f]}var ShelfPack=require("@mapbox/shelf-pack"),browser=require("../util/browser"),util=require("../util/util"),window=require("../util/window"),Evented=require("../util/evented"),SpriteAtlas=function(t){function i(i,e){t.call(this),this.width=i,this.height=e,this.shelfPack=new ShelfPack(i,e),this.images={},this.data=!1,this.texture=0,this.filter=0,this.pixelRatio=1,this.dirty=!0}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.allocateImage=function(t,i){t/=this.pixelRatio,i/=this.pixelRatio;var e=2,r=t+e+(4-(t+e)%4),a=i+e+(4-(i+e)%4),h=this.shelfPack.packOne(r,a);return h?h:(util.warnOnce("SpriteAtlas out of space."),null)},i.prototype.addImage=function(t,i,e){var r,a,h;if(i instanceof window.HTMLImageElement?(r=i.width,a=i.height,i=browser.getImageData(i),h=this.pixelRatio):(r=e.width,a=e.height,h=e.pixelRatio||this.pixelRatio),ArrayBuffer.isView(i)&&(i=new Uint32Array(i.buffer)),!(i instanceof Uint32Array))return this.fire("error",{error:new Error("Image provided in an invalid format. Supported formats are HTMLImageElement, ImageData, and ArrayBufferView.")});if(this.images[t])return this.fire("error",{error:new Error("An image with this name already exists.")});var s=this.allocateImage(r,a);if(!s)return this.fire("error",{error:new Error("There is not enough space to add this image.")});var o={rect:s,width:r/h,height:a/h,sdf:!1,pixelRatio:1};this.images[t]=o,this.copy(i,r,s,{pixelRatio:h,x:0,y:0,width:r,height:a},!1),this.fire("data",{dataType:"style"})},i.prototype.removeImage=function(t){var i=this.images[t];return delete this.images[t],i?(this.shelfPack.unref(i.rect),void this.fire("data",{dataType:"style"})):this.fire("error",{error:new Error("No image with this name exists.")})},i.prototype.getImage=function(t,i){if(this.images[t])return this.images[t];if(!this.sprite)return null;var e=this.sprite.getSpritePosition(t);if(!e.width||!e.height)return null;var r=this.allocateImage(e.width,e.height);if(!r)return null;var a={rect:r,width:e.width/e.pixelRatio,height:e.height/e.pixelRatio,sdf:e.sdf,pixelRatio:e.pixelRatio/this.pixelRatio};if(this.images[t]=a,!this.sprite.imgData)return null;var h=new Uint32Array(this.sprite.imgData.buffer);return this.copy(h,this.sprite.width,r,e,i),a},i.prototype.getPosition=function(t,i){var e=this.getImage(t,i),r=e&&e.rect;if(!r)return null;var a=e.width*e.pixelRatio,h=e.height*e.pixelRatio,s=1;return{size:[e.width,e.height],tl:[(r.x+s)/this.width,(r.y+s)/this.height],br:[(r.x+s+a)/this.width,(r.y+s+h)/this.height]}},i.prototype.allocate=function(){var t=this;if(!this.data){var i=Math.floor(this.width*this.pixelRatio),e=Math.floor(this.height*this.pixelRatio);this.data=new Uint32Array(i*e);for(var r=0;r<this.data.length;r++)t.data[r]=0}},i.prototype.copy=function(t,i,e,r,a){this.allocate();var h=this.data,s=1;copyBitmap(t,i,r.x,r.y,h,this.width*this.pixelRatio,(e.x+s)*this.pixelRatio,(e.y+s)*this.pixelRatio,r.width,r.height,a),this.dirty=!0},i.prototype.setSprite=function(t){t&&(this.pixelRatio=browser.devicePixelRatio>1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},i.prototype.addIcons=function(t,i){for(var e=this,r=0;r<t.length;r++)e.getImage(t[r]);i(null,this.images)},i.prototype.bind=function(t,i){var e=!1;this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e=!0);var r=i?t.LINEAR:t.NEAREST;r!==this.filter&&(t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,r),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,r),this.filter=r),this.dirty&&(this.allocate(),e?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width*this.pixelRatio,this.height*this.pixelRatio,0,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)):t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width*this.pixelRatio,this.height*this.pixelRatio,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)),this.dirty=!1)},i}(Evented);module.exports=SpriteAtlas},{"../util/browser":192,"../util/evented":200,"../util/util":212,"../util/window":194,"@mapbox/shelf-pack":2}],171:[function(require,module,exports){"use strict";var DOM=require("../util/dom"),Point=require("point-geometry"),handlers={scrollZoom:require("./handler/scroll_zoom"),boxZoom:require("./handler/box_zoom"),dragRotate:require("./handler/drag_rotate"),dragPan:require("./handler/drag_pan"),keyboard:require("./handler/keyboard"),doubleClickZoom:require("./handler/dblclick_zoom"),touchZoomRotate:require("./handler/touch_zoom_rotate")};module.exports=function(e,t){function n(e){h("mouseout",e)}function o(t){e.stop(),L=DOM.mousePos(g,t),h("mousedown",t),E=!0}function r(t){var n=e.dragRotate&&e.dragRotate.isActive();p&&!n&&h("contextmenu",p),p=null,E=!1,h("mouseup",t)}function a(t){if(!(e.dragPan&&e.dragPan.isActive()||e.dragRotate&&e.dragRotate.isActive())){for(var n=t.toElement||t.target;n&&n!==g;)n=n.parentNode;n===g&&h("mousemove",t)}}function u(t){e.stop(),f("touchstart",t),!t.touches||t.touches.length>1||(b?(clearTimeout(b),b=null,h("dblclick",t)):b=setTimeout(l,300))}function i(e){f("touchmove",e)}function c(e){f("touchend",e)}function d(e){f("touchcancel",e)}function l(){b=null}function s(e){var t=DOM.mousePos(g,e);t.equals(L)&&h("click",e)}function v(e){h("dblclick",e),e.preventDefault()}function m(t){var n=e.dragRotate&&e.dragRotate.isActive();E||n?E&&(p=t):h("contextmenu",t),t.preventDefault()}function h(t,n){var o=DOM.mousePos(g,n);return e.fire(t,{lngLat:e.unproject(o),point:o,originalEvent:n})}function f(t,n){var o=DOM.touchPos(g,n),r=o.reduce(function(e,t,n,o){return e.add(t.div(o.length))},new Point(0,0));return e.fire(t,{lngLat:e.unproject(r),point:r,lngLats:o.map(function(t){return e.unproject(t)},this),points:o,originalEvent:n})}var g=e.getCanvasContainer(),p=null,E=!1,L=null,b=null;for(var q in handlers)e[q]=new handlers[q](e,t),t.interactive&&t[q]&&e[q].enable(t[q]);g.addEventListener("mouseout",n,!1),g.addEventListener("mousedown",o,!1),g.addEventListener("mouseup",r,!1),g.addEventListener("mousemove",a,!1),g.addEventListener("touchstart",u,!1),g.addEventListener("touchend",c,!1),g.addEventListener("touchmove",i,!1),g.addEventListener("touchcancel",d,!1),g.addEventListener("click",s,!1),g.addEventListener("dblclick",v,!1),g.addEventListener("contextmenu",m,!1)}},{"../util/dom":199,"./handler/box_zoom":179,"./handler/dblclick_zoom":180,"./handler/drag_pan":181,"./handler/drag_rotate":182,"./handler/keyboard":183,"./handler/scroll_zoom":184,"./handler/touch_zoom_rotate":185,"point-geometry":26}],172:[function(require,module,exports){"use strict";var util=require("../util/util"),interpolate=require("../util/interpolate"),browser=require("../util/browser"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),Evented=require("../util/evented"),Camera=function(t){function i(i,e){t.call(this),this.moving=!1,this.transform=i,this._bearingSnap=e.bearingSnap}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.getCenter=function(){return this.transform.center},i.prototype.setCenter=function(t,i){return this.jumpTo({center:t},i),this},i.prototype.panBy=function(t,i,e){return this.panTo(this.transform.center,util.extend({offset:Point.convert(t).mult(-1)},i),e),this},i.prototype.panTo=function(t,i,e){return this.easeTo(util.extend({center:t},i),e)},i.prototype.getZoom=function(){return this.transform.zoom},i.prototype.setZoom=function(t,i){return this.jumpTo({zoom:t},i),this},i.prototype.zoomTo=function(t,i,e){return this.easeTo(util.extend({zoom:t},i),e)},i.prototype.zoomIn=function(t,i){return this.zoomTo(this.getZoom()+1,t,i),this},i.prototype.zoomOut=function(t,i){return this.zoomTo(this.getZoom()-1,t,i),this},i.prototype.getBearing=function(){return this.transform.bearing},i.prototype.setBearing=function(t,i){return this.jumpTo({bearing:t},i),this},i.prototype.rotateTo=function(t,i,e){return this.easeTo(util.extend({bearing:t},i),e)},i.prototype.resetNorth=function(t,i){return this.rotateTo(0,util.extend({duration:1e3},t),i),this},i.prototype.snapToNorth=function(t,i){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,i):this},i.prototype.getPitch=function(){return this.transform.pitch},i.prototype.setPitch=function(t,i){return this.jumpTo({pitch:t},i),this},i.prototype.fitBounds=function(t,i,e){if(i=util.extend({padding:{top:0,bottom:0,right:0,left:0},offset:[0,0],maxZoom:this.transform.maxZoom},i),"number"==typeof i.padding){var o=i.padding;i.padding={top:o,bottom:o,right:o,left:o}}if(!util.deepEqual(Object.keys(i.padding).sort(function(t,i){return t<i?-1:t>i?1:0}),["bottom","left","right","top"]))return void util.warnOnce("options.padding must be a positive number, or an Object with keys 'bottom', 'left', 'right', 'top'");t=LngLatBounds.convert(t);var n=[i.padding.left-i.padding.right,i.padding.top-i.padding.bottom],r=Math.min(i.padding.right,i.padding.left),s=Math.min(i.padding.top,i.padding.bottom);i.offset=[i.offset[0]+n[0],i.offset[1]+n[1]];var a=Point.convert(i.offset),h=this.transform,u=h.project(t.getNorthWest()),p=h.project(t.getSouthEast()),c=p.sub(u),g=(h.width-2*r-2*Math.abs(a.x))/c.x,m=(h.height-2*s-2*Math.abs(a.y))/c.y;return m<0||g<0?void util.warnOnce("Map cannot fit within canvas with the given bounds, padding, and/or offset."):(i.center=h.unproject(u.add(p).div(2)),i.zoom=Math.min(h.scaleZoom(h.scale*Math.min(g,m)),i.maxZoom),i.bearing=0,i.linear?this.easeTo(i,e):this.flyTo(i,e))},i.prototype.jumpTo=function(t,i){this.stop();var e=this.transform,o=!1,n=!1,r=!1;return"zoom"in t&&e.zoom!==+t.zoom&&(o=!0,e.zoom=+t.zoom),"center"in t&&(e.center=LngLat.convert(t.center)),"bearing"in t&&e.bearing!==+t.bearing&&(n=!0,e.bearing=+t.bearing),"pitch"in t&&e.pitch!==+t.pitch&&(r=!0,e.pitch=+t.pitch),this.fire("movestart",i).fire("move",i),o&&this.fire("zoomstart",i).fire("zoom",i).fire("zoomend",i),n&&this.fire("rotate",i),r&&this.fire("pitch",i),this.fire("moveend",i)},i.prototype.easeTo=function(t,i){var e=this;this.stop(),t=util.extend({offset:[0,0],duration:500,easing:util.ease},t);var o,n,r=this.transform,s=Point.convert(t.offset),a=this.getZoom(),h=this.getBearing(),u=this.getPitch(),p="zoom"in t?+t.zoom:a,c="bearing"in t?this._normalizeBearing(t.bearing,h):h,g="pitch"in t?+t.pitch:u;"center"in t?(o=LngLat.convert(t.center),n=r.centerPoint.add(s)):"around"in t?(o=LngLat.convert(t.around),n=r.locationPoint(o)):(n=r.centerPoint.add(s),o=r.pointLocation(n));var m=r.locationPoint(o);return t.animate===!1&&(t.duration=0),this.zooming=p!==a,this.rotating=h!==c,this.pitching=g!==u,t.smoothEasing&&0!==t.duration&&(t.easing=this._smoothOutEasing(t.duration)),t.noMoveStart||(this.moving=!0,this.fire("movestart",i)),this.zooming&&this.fire("zoomstart",i),clearTimeout(this._onEaseEnd),this._ease(function(t){this.zooming&&(r.zoom=interpolate(a,p,t)),this.rotating&&(r.bearing=interpolate(h,c,t)),this.pitching&&(r.pitch=interpolate(u,g,t)),r.setLocationAtPoint(o,m.add(n.sub(m)._mult(t))),this.fire("move",i),this.zooming&&this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){t.delayEndEvents?e._onEaseEnd=setTimeout(e._easeToEnd.bind(e,i),t.delayEndEvents):e._easeToEnd(i)},t),this},i.prototype._easeToEnd=function(t){var i=this.zooming;this.moving=!1,this.zooming=!1,this.rotating=!1,this.pitching=!1,i&&this.fire("zoomend",t),this.fire("moveend",t)},i.prototype.flyTo=function(t,i){function e(t){var i=(y*y-z*z+(t?-1:1)*E*E*_*_)/(2*(t?y:z)*E*_);return Math.log(Math.sqrt(i*i+1)-i)}function o(t){return(Math.exp(t)-Math.exp(-t))/2}function n(t){return(Math.exp(t)+Math.exp(-t))/2}function r(t){return o(t)/n(t)}this.stop(),t=util.extend({offset:[0,0],speed:1.2,curve:1.42,easing:util.ease},t);var s=this.transform,a=Point.convert(t.offset),h=this.getZoom(),u=this.getBearing(),p=this.getPitch(),c="center"in t?LngLat.convert(t.center):this.getCenter(),g="zoom"in t?+t.zoom:h,m="bearing"in t?this._normalizeBearing(t.bearing,u):u,f="pitch"in t?+t.pitch:p;Math.abs(s.center.lng)+Math.abs(c.lng)>180&&(s.center.lng>0&&c.lng<0?c.lng+=360:s.center.lng<0&&c.lng>0&&(c.lng-=360));var d=s.zoomScale(g-h),l=s.point,v="center"in t?s.project(c).sub(a.div(d)):l,b=t.curve,z=Math.max(s.width,s.height),y=z/d,_=v.sub(l).mag();if("minZoom"in t){var M=util.clamp(Math.min(t.minZoom,h,g),s.minZoom,s.maxZoom),T=z/s.zoomScale(M-h);b=Math.sqrt(T/_*2)}var E=b*b,x=e(0),L=function(t){return n(x)/n(x+b*t)},Z=function(t){return z*((n(x)*r(x+b*t)-o(x))/E)/_},P=(e(1)-x)/b;if(Math.abs(_)<1e-6){if(Math.abs(z-y)<1e-6)return this.easeTo(t,i);var j=y<z?-1:1;P=Math.abs(Math.log(y/z))/b,Z=function(){return 0},L=function(t){return Math.exp(j*b*t)}}if("duration"in t)t.duration=+t.duration;else{var w="screenSpeed"in t?+t.screenSpeed/b:+t.speed;t.duration=1e3*P/w}return this.moving=!0,this.zooming=!0,u!==m&&(this.rotating=!0),p!==f&&(this.pitching=!0),this.fire("movestart",i),this.fire("zoomstart",i),this._ease(function(t){var e=t*P,o=Z(e),n=1/L(e);s.zoom=h+s.scaleZoom(n),s.center=s.unproject(l.add(v.sub(l).mult(o)).mult(n)),this.rotating&&(s.bearing=interpolate(u,m,t)),this.pitching&&(s.pitch=interpolate(p,f,t)),this.fire("move",i),this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){this.moving=!1,this.zooming=!1,this.rotating=!1,this.pitching=!1,this.fire("zoomend",i),this.fire("moveend",i)},t),this},i.prototype.isEasing=function(){return!!this._abortFn},i.prototype.isMoving=function(){return this.moving},i.prototype.stop=function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},i.prototype._ease=function(t,i,e){this._finishFn=i,this._abortFn=browser.timed(function(i){t.call(this,e.easing(i)),1===i&&this._finishEase()},e.animate===!1?0:e.duration,this)},i.prototype._finishEase=function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},i.prototype._normalizeBearing=function(t,i){t=util.wrap(t,-180,180);var e=Math.abs(t-i);return Math.abs(t-360-i)<e&&(t-=360),Math.abs(t+360-i)<e&&(t+=360),t},i.prototype._smoothOutEasing=function(t){var i=util.ease;if(this._prevEase){var e=this._prevEase,o=(Date.now()-e.start)/e.duration,n=e.easing(o+.01)-e.easing(o),r=.27/Math.sqrt(n*n+1e-4)*.01,s=Math.sqrt(.0729-r*r);i=util.bezier(r,s,.25,1)}return this._prevEase={start:(new Date).getTime(),duration:t,easing:i},i},i}(Evented);module.exports=Camera},{"../geo/lng_lat":62,"../geo/lng_lat_bounds":63,"../util/browser":192,"../util/evented":200,"../util/interpolate":204,"../util/util":212,"point-geometry":26}],173:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),AttributionControl=function(t){this.options=t,util.bindAll(["_updateEditLink","_updateData","_updateCompact"],this)};AttributionControl.prototype.getDefaultPosition=function(){return"bottom-right"},AttributionControl.prototype.onAdd=function(t){var i=this.options&&this.options.compact;return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-attrib"),i&&this._container.classList.add("compact"),this._updateAttributions(),this._updateEditLink(),this._map.on("sourcedata",this._updateData),this._map.on("moveend",this._updateEditLink),void 0===i&&(this._map.on("resize",this._updateCompact),this._updateCompact()),this._container},AttributionControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("sourcedata",this._updateData),this._map.off("moveend",this._updateEditLink),this._map.off("resize",this._updateCompact),this._map=void 0},AttributionControl.prototype._updateEditLink=function(){if(this._editLink||(this._editLink=this._container.querySelector(".mapbox-improve-map")),this._editLink){var t=this._map.getCenter();this._editLink.href="https://www.mapbox.com/map-feedback/#/"+t.lng+"/"+t.lat+"/"+Math.round(this._map.getZoom()+1)}},AttributionControl.prototype._updateData=function(t){this._updateAttributions(t),this._updateEditLink()},AttributionControl.prototype._updateAttributions=function(t){if(this._map.style&&(!t||"metadata"===t.sourceDataType)){var i=[],o=this._map.style.sourceCaches;for(var n in o){var e=o[n].getSource();e.attribution&&i.indexOf(e.attribution)<0&&i.push(e.attribution)}i.sort(function(t,i){return t.length-i.length}),i=i.filter(function(t,o){for(var n=o+1;n<i.length;n++)if(i[n].indexOf(t)>=0)return!1;return!0}),this._container.innerHTML=i.join(" | "),this._editLink=null}},AttributionControl.prototype._updateCompact=function(){var t=this._map.getCanvasContainer().offsetWidth<=640;this._container.classList[t?"add":"remove"]("compact")},module.exports=AttributionControl},{"../../util/dom":199,"../../util/util":212}],174:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),FullscreenControl=function(){this._fullscreen=!1,util.bindAll(["_onClickFullscreen","_changeIcon"],this),"onfullscreenchange"in window.document?this._fullscreenchange="fullscreenchange":"onmozfullscreenchange"in window.document?this._fullscreenchange="mozfullscreenchange":"onwebkitfullscreenchange"in window.document?this._fullscreenchange="webkitfullscreenchange":"onmsfullscreenchange"in window.document&&(this._fullscreenchange="MSFullscreenChange")};FullscreenControl.prototype.onAdd=function(e){var n="mapboxgl-ctrl",t=this._container=DOM.create("div",n+" mapboxgl-ctrl-group"),l=this._fullscreenButton=DOM.create("button",n+"-icon "+n+"-fullscreen",this._container);return l.setAttribute("aria-label","Toggle fullscreen"),l.type="button",this._fullscreenButton.addEventListener("click",this._onClickFullscreen),this._mapContainer=e.getContainer(),window.document.addEventListener(this._fullscreenchange,this._changeIcon),t},FullscreenControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map=null,window.document.removeEventListener(this._fullscreenchange,this._changeIcon)},FullscreenControl.prototype._isFullscreen=function(){return this._fullscreen},FullscreenControl.prototype._changeIcon=function(e){if(e.target===this._mapContainer){this._fullscreen=!this._fullscreen;var n="mapboxgl-ctrl";this._fullscreenButton.classList.toggle(n+"-shrink"),this._fullscreenButton.classList.toggle(n+"-fullscreen")}},FullscreenControl.prototype._onClickFullscreen=function(){this._isFullscreen()?window.document.exitFullscreen?window.document.exitFullscreen():window.document.mozCancelFullScreen?window.document.mozCancelFullScreen():window.document.msExitFullscreen?window.document.msExitFullscreen():window.document.webkitCancelFullScreen&&window.document.webkitCancelFullScreen():this._mapContainer.requestFullscreen?this._mapContainer.requestFullscreen():this._mapContainer.mozRequestFullScreen?this._mapContainer.mozRequestFullScreen():this._mapContainer.msRequestFullscreen?this._mapContainer.msRequestFullscreen():this._mapContainer.webkitRequestFullscreen&&this._mapContainer.webkitRequestFullscreen()},module.exports=FullscreenControl},{"../../util/dom":199,"../../util/util":212,"../../util/window":194}],175:[function(require,module,exports){"use strict";function checkGeolocationSupport(t){void 0!==supportsGeolocation?t(supportsGeolocation):void 0!==window.navigator.permissions?window.navigator.permissions.query({name:"geolocation"}).then(function(o){supportsGeolocation="denied"!==o.state,t(supportsGeolocation)}):(supportsGeolocation=!!window.navigator.geolocation,t(supportsGeolocation))}var Evented=require("../../util/evented"),DOM=require("../../util/dom"),window=require("../../util/window"),util=require("../../util/util"),defaultGeoPositionOptions={enableHighAccuracy:!1,timeout:6e3},className="mapboxgl-ctrl",supportsGeolocation,GeolocateControl=function(t){function o(o){t.call(this),this.options=o||{},util.bindAll(["_onSuccess","_onError","_finish","_setupUI"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div",className+" "+className+"-group"),checkGeolocationSupport(this._setupUI),this._container},o.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map=void 0},o.prototype._onSuccess=function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},o.prototype._onError=function(t){this.fire("error",t),this._finish()},o.prototype._finish=function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0},o.prototype._setupUI=function(t){t!==!1&&(this._container.addEventListener("contextmenu",function(t){return t.preventDefault()}),this._geolocateButton=DOM.create("button",className+"-icon "+className+"-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.setAttribute("aria-label","Geolocate"),this.options.watchPosition&&this._geolocateButton.setAttribute("aria-pressed",!1),this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)))},o.prototype._onClickGeolocate=function(){var t=util.extend(defaultGeoPositionOptions,this.options&&this.options.positionOptions||{});this.options.watchPosition?void 0!==this._geolocationWatchID?(this._geolocateButton.classList.remove("watching"),this._geolocateButton.setAttribute("aria-pressed",!1),window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0):(this._geolocateButton.classList.add("watching"),this._geolocateButton.setAttribute("aria-pressed",!0),this._geolocationWatchID=window.navigator.geolocation.watchPosition(this._onSuccess,this._onError,t)):(window.navigator.geolocation.getCurrentPosition(this._onSuccess,this._onError,t),this._timeoutId=setTimeout(this._finish,1e4))},o}(Evented);module.exports=GeolocateControl},{"../../util/dom":199,"../../util/evented":200,"../../util/util":212,"../../util/window":194}],176:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),LogoControl=function(){util.bindAll(["_updateLogo"],this)};LogoControl.prototype.onAdd=function(o){return this._map=o,this._container=DOM.create("div","mapboxgl-ctrl"),this._map.on("sourcedata",this._updateLogo),this._updateLogo(),this._container},LogoControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("sourcedata",this._updateLogo)},LogoControl.prototype.getDefaultPosition=function(){return"bottom-left"},LogoControl.prototype._updateLogo=function(o){if(o&&"metadata"===o.sourceDataType)if(!this._container.childNodes.length&&this._logoRequired()){var t=DOM.create("a","mapboxgl-ctrl-logo");t.target="_blank",t.href="https://www.mapbox.com/",t.setAttribute("aria-label","Mapbox logo"),this._container.appendChild(t),this._map.off("data",this._updateLogo)}else this._container.childNodes.length&&!this._logoRequired()&&this.onRemove()},LogoControl.prototype._logoRequired=function(){if(this._map.style){var o=this._map.style.sourceCaches;for(var t in o){var e=o[t].getSource();if(e.mapbox_logo)return!0}return!1}},module.exports=LogoControl},{"../../util/dom":199,"../../util/util":212}],177:[function(require,module,exports){"use strict";function copyMouseEvent(t){return new window.MouseEvent(t.type,{button:2,buttons:2,bubbles:!0,cancelable:!0,detail:t.detail,view:t.view,screenX:t.screenX,screenY:t.screenY,clientX:t.clientX,clientY:t.clientY,movementX:t.movementX,movementY:t.movementY,ctrlKey:t.ctrlKey,shiftKey:t.shiftKey,altKey:t.altKey,metaKey:t.metaKey})}var DOM=require("../../util/dom"),window=require("../../util/window"),util=require("../../util/util"),className="mapboxgl-ctrl",NavigationControl=function(){util.bindAll(["_rotateCompassArrow"],this)};NavigationControl.prototype._rotateCompassArrow=function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t},NavigationControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div",className+" "+className+"-group",t.getContainer()),this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(className+"-icon "+className+"-zoom-in","Zoom In",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(className+"-icon "+className+"-zoom-out","Zoom Out",t.zoomOut.bind(t)),this._compass=this._createButton(className+"-icon "+className+"-compass","Reset North",t.resetNorth.bind(t)),this._compassArrow=DOM.create("span",className+"-compass-arrow",this._compass),
this._compass.addEventListener("mousedown",this._onCompassDown.bind(this)),this._onCompassMove=this._onCompassMove.bind(this),this._onCompassUp=this._onCompassUp.bind(this),this._map.on("rotate",this._rotateCompassArrow),this._rotateCompassArrow(),this._container},NavigationControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("rotate",this._rotateCompassArrow),this._map=void 0},NavigationControl.prototype._onContextMenu=function(t){t.preventDefault()},NavigationControl.prototype._onCompassDown=function(t){0===t.button&&(DOM.disableDrag(),window.document.addEventListener("mousemove",this._onCompassMove),window.document.addEventListener("mouseup",this._onCompassUp),this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._onCompassMove=function(t){0===t.button&&(this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._onCompassUp=function(t){0===t.button&&(window.document.removeEventListener("mousemove",this._onCompassMove),window.document.removeEventListener("mouseup",this._onCompassUp),DOM.enableDrag(),this._map.getCanvasContainer().dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},NavigationControl.prototype._createButton=function(t,o,e){var n=DOM.create("button",t,this._container);return n.type="button",n.setAttribute("aria-label",o),n.addEventListener("click",function(){e()}),n},module.exports=NavigationControl},{"../../util/dom":199,"../../util/util":212,"../../util/window":194}],178:[function(require,module,exports){"use strict";function updateScale(t,e,o){var n=o&&o.maxWidth||100,i=t._container.clientHeight/2,a=getDistance(t.unproject([0,i]),t.unproject([n,i]));if(o&&"imperial"===o.unit){var r=3.2808*a;if(r>5280){var l=r/5280;setScale(e,n,l,"mi")}else setScale(e,n,r,"ft")}else setScale(e,n,a,"m")}function setScale(t,e,o,n){var i=getRoundNum(o),a=i/o;"m"===n&&i>=1e3&&(i/=1e3,n="km"),t.style.width=e*a+"px",t.innerHTML=i+n}function getDistance(t,e){var o=6371e3,n=Math.PI/180,i=t.lat*n,a=e.lat*n,r=Math.sin(i)*Math.sin(a)+Math.cos(i)*Math.cos(a)*Math.cos((e.lng-t.lng)*n),l=o*Math.acos(Math.min(r,1));return l}function getRoundNum(t){var e=Math.pow(10,(""+Math.floor(t)).length-1),o=t/e;return o=o>=10?10:o>=5?5:o>=3?3:o>=2?2:1,e*o}var DOM=require("../../util/dom"),util=require("../../util/util"),ScaleControl=function(t){this.options=t,util.bindAll(["_onMove"],this)};ScaleControl.prototype.getDefaultPosition=function(){return"bottom-left"},ScaleControl.prototype._onMove=function(){updateScale(this._map,this._container,this.options)},ScaleControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-scale",t.getContainer()),this._map.on("move",this._onMove),this._onMove(),this._container},ScaleControl.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("move",this._onMove),this._map=void 0},module.exports=ScaleControl},{"../../util/dom":199,"../../util/util":212}],179:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),LngLatBounds=require("../../geo/lng_lat_bounds"),util=require("../../util/util"),window=require("../../util/window"),BoxZoomHandler=function(o){this._map=o,this._el=o.getCanvasContainer(),this._container=o.getContainer(),util.bindAll(["_onMouseDown","_onMouseMove","_onMouseUp","_onKeyDown"],this)};BoxZoomHandler.prototype.isEnabled=function(){return!!this._enabled},BoxZoomHandler.prototype.isActive=function(){return!!this._active},BoxZoomHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},BoxZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},BoxZoomHandler.prototype._onMouseDown=function(o){o.shiftKey&&0===o.button&&(window.document.addEventListener("mousemove",this._onMouseMove,!1),window.document.addEventListener("keydown",this._onKeyDown,!1),window.document.addEventListener("mouseup",this._onMouseUp,!1),DOM.disableDrag(),this._startPos=DOM.mousePos(this._el,o),this._active=!0)},BoxZoomHandler.prototype._onMouseMove=function(o){var e=this._startPos,t=DOM.mousePos(this._el,o);this._box||(this._box=DOM.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",o));var n=Math.min(e.x,t.x),i=Math.max(e.x,t.x),s=Math.min(e.y,t.y),r=Math.max(e.y,t.y);DOM.setTransform(this._box,"translate("+n+"px,"+s+"px)"),this._box.style.width=i-n+"px",this._box.style.height=r-s+"px"},BoxZoomHandler.prototype._onMouseUp=function(o){if(0===o.button){var e=this._startPos,t=DOM.mousePos(this._el,o),n=(new LngLatBounds).extend(this._map.unproject(e)).extend(this._map.unproject(t));this._finish(),e.x===t.x&&e.y===t.y?this._fireEvent("boxzoomcancel",o):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:o,boxZoomBounds:n})}},BoxZoomHandler.prototype._onKeyDown=function(o){27===o.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",o))},BoxZoomHandler.prototype._finish=function(){this._active=!1,window.document.removeEventListener("mousemove",this._onMouseMove,!1),window.document.removeEventListener("keydown",this._onKeyDown,!1),window.document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),DOM.enableDrag()},BoxZoomHandler.prototype._fireEvent=function(o,e){return this._map.fire(o,{originalEvent:e})},module.exports=BoxZoomHandler},{"../../geo/lng_lat_bounds":63,"../../util/dom":199,"../../util/util":212,"../../util/window":194}],180:[function(require,module,exports){"use strict";var DoubleClickZoomHandler=function(o){this._map=o,this._onDblClick=this._onDblClick.bind(this)};DoubleClickZoomHandler.prototype.isEnabled=function(){return!!this._enabled},DoubleClickZoomHandler.prototype.enable=function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},DoubleClickZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},DoubleClickZoomHandler.prototype._onDblClick=function(o){this._map.zoomTo(this._map.getZoom()+(o.originalEvent.shiftKey?-1:1),{around:o.lngLat},o)},module.exports=DoubleClickZoomHandler},{}],181:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.3,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=1400,inertiaDeceleration=2500,DragPanHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onDown","_onMove","_onUp","_onTouchEnd","_onMouseUp"],this)};DragPanHandler.prototype.isEnabled=function(){return!!this._enabled},DragPanHandler.prototype.isActive=function(){return!!this._active},DragPanHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},DragPanHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},DragPanHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(window.document.addEventListener("touchmove",this._onMove),window.document.addEventListener("touchend",this._onTouchEnd)):(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onMouseUp)),window.addEventListener("blur",this._onMouseUp),this._active=!1,this._startPos=this._pos=DOM.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},DragPanHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._map.moving=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=DOM.mousePos(this._el,t),n=this._map;n.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),n.transform.setLocationAtPoint(n.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},DragPanHandler.prototype._onUp=function(t){var e=this;if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var n=function(){e._map.moving=!1,e._fireEvent("moveend",t)},i=this._inertia;if(i.length<2)return void n();var o=i[i.length-1],r=i[0],a=o[1].sub(r[1]),s=(o[0]-r[0])/1e3;if(0===s||o[1].equals(r[1]))return void n();var u=a.mult(inertiaLinearity/s),d=u.mag();d>inertiaMaxSpeed&&(d=inertiaMaxSpeed,u._unit()._mult(d));var h=d/(inertiaDeceleration*inertiaLinearity),v=u.mult(-h/2);this._map.panBy(v,{duration:1e3*h,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragPanHandler.prototype._onMouseUp=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onMouseUp),window.removeEventListener("blur",this._onMouseUp))},DragPanHandler.prototype._onTouchEnd=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onTouchEnd))},DragPanHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragPanHandler.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragRotate&&e.dragRotate.isActive())return!0;if(t.touches)return t.touches.length>1;if(t.ctrlKey)return!0;var n=1,i=0;return"mousemove"===t.type?t.buttons&0===n:t.button&&t.button!==i},DragPanHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),n=160;t.length>0&&e-t[0][0]>n;)t.shift()},module.exports=DragPanHandler},{"../../util/dom":199,"../../util/util":212,"../../util/window":194}],182:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.25,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=180,inertiaDeceleration=720,DragRotateHandler=function(t,e){this._map=t,this._el=t.getCanvasContainer(),this._bearingSnap=e.bearingSnap,this._pitchWithRotate=e.pitchWithRotate!==!1,util.bindAll(["_onDown","_onMove","_onUp"],this)};DragRotateHandler.prototype.isEnabled=function(){return!!this._enabled},DragRotateHandler.prototype.isActive=function(){return!!this._active},DragRotateHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},DragRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},DragRotateHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onUp),window.addEventListener("blur",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=DOM.mousePos(this._el,t),this._center=this._map.transform.centerPoint,t.preventDefault())},DragRotateHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._map.moving=!0,this._fireEvent("rotatestart",t),this._fireEvent("movestart",t));var e=this._map;e.stop();var i=this._pos,n=DOM.mousePos(this._el,t),r=.8*(i.x-n.x),a=(i.y-n.y)*-.5,o=e.getBearing()-r,s=e.getPitch()-a,h=this._inertia,v=h[h.length-1];this._drainInertiaBuffer(),h.push([Date.now(),e._normalizeBearing(o,v[1])]),e.transform.bearing=o,this._pitchWithRotate&&(e.transform.pitch=s),this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=n}},DragRotateHandler.prototype._onUp=function(t){var e=this;if(!this._ignoreEvent(t)&&(window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onUp),window.removeEventListener("blur",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var i=this._map,n=i.getBearing(),r=this._inertia,a=function(){Math.abs(n)<e._bearingSnap?i.resetNorth({noMoveStart:!0},{originalEvent:t}):(e._map.moving=!1,e._fireEvent("moveend",t))};if(r.length<2)return void a();var o=r[0],s=r[r.length-1],h=r[r.length-2],v=i._normalizeBearing(n,h[1]),_=s[1]-o[1],u=_<0?-1:1,d=(s[0]-o[0])/1e3;if(0===_||0===d)return void a();var p=Math.abs(_*(inertiaLinearity/d));p>inertiaMaxSpeed&&(p=inertiaMaxSpeed);var l=p/(inertiaDeceleration*inertiaLinearity),g=u*p*(l/2);v+=g,Math.abs(i._normalizeBearing(v,0))<this._bearingSnap&&(v=i._normalizeBearing(0,v)),i.rotateTo(v,{duration:1e3*l,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragRotateHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragRotateHandler.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragPan&&e.dragPan.isActive())return!0;if(t.touches)return t.touches.length>1;var i=t.ctrlKey?1:2,n=t.ctrlKey?0:2,r=t.button;return"undefined"!=typeof InstallTrigger&&2===t.button&&t.ctrlKey&&window.navigator.platform.toUpperCase().indexOf("MAC")>=0&&(r=0),"mousemove"===t.type?t.buttons&0===i:!this.isActive()&&r!==n},DragRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>0&&e-t[0][0]>i;)t.shift()},module.exports=DragRotateHandler},{"../../util/dom":199,"../../util/util":212,"../../util/window":194}],183:[function(require,module,exports){"use strict";function easeOut(e){return e*(2-e)}var panStep=100,bearingStep=15,pitchStep=10,KeyboardHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)};KeyboardHandler.prototype.isEnabled=function(){return!!this._enabled},KeyboardHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},KeyboardHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},KeyboardHandler.prototype._onKeyDown=function(e){if(!(e.altKey||e.ctrlKey||e.metaKey)){var t=0,n=0,a=0,i=0,r=0;switch(e.keyCode){case 61:case 107:case 171:case 187:t=1;break;case 189:case 109:case 173:t=-1;break;case 37:e.shiftKey?n=-1:(e.preventDefault(),i=-1);break;case 39:e.shiftKey?n=1:(e.preventDefault(),i=1);break;case 38:e.shiftKey?a=1:(e.preventDefault(),r=-1);break;case 40:e.shiftKey?a=-1:(r=1,e.preventDefault())}var s=this._map,o=s.getZoom(),d={duration:300,delayEndEvents:500,easing:easeOut,zoom:t?Math.round(o)+t*(e.shiftKey?2:1):o,bearing:s.getBearing()+n*bearingStep,pitch:s.getPitch()+a*pitchStep,offset:[-i*panStep,-r*panStep],center:s.getCenter()};s.easeTo(d,{originalEvent:e})}},module.exports=KeyboardHandler},{}],184:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),browser=require("../../util/browser"),window=require("../../util/window"),ua=window.navigator.userAgent.toLowerCase(),firefox=ua.indexOf("firefox")!==-1,safari=ua.indexOf("safari")!==-1&&ua.indexOf("chrom")===-1,ScrollZoomHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),util.bindAll(["_onWheel","_onTimeout"],this)};ScrollZoomHandler.prototype.isEnabled=function(){return!!this._enabled},ScrollZoomHandler.prototype.enable=function(e){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0,this._aroundCenter=e&&"center"===e.around)},ScrollZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},ScrollZoomHandler.prototype._onWheel=function(e){var t;"wheel"===e.type?(t=e.deltaY,firefox&&e.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(t/=browser.devicePixelRatio),e.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(t*=40)):"mousewheel"===e.type&&(t=-e.wheelDeltaY,safari&&(t/=3));var o=browser.now(),i=o-(this._time||0);this._pos=DOM.mousePos(this._el,e),this._time=o,0!==t&&t%4.000244140625===0?this._type="wheel":0!==t&&Math.abs(t)<4?this._type="trackpad":i>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(i*t)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&this._zoom(-t,e),e.preventDefault()},ScrollZoomHandler.prototype._onTimeout=function(){this._type="wheel",this._zoom(-this._lastValue)},ScrollZoomHandler.prototype._zoom=function(e,t){if(0!==e){var o=this._map,i=2/(1+Math.exp(-Math.abs(e/100)));e<0&&0!==i&&(i=1/i);var l=o.ease?o.ease.to:o.transform.scale,s=o.transform.scaleZoom(l*i);o.zoomTo(s,{duration:"wheel"===this._type?200:0,around:this._aroundCenter?o.getCenter():o.unproject(this._pos),delayEndEvents:200,smoothEasing:!0},{originalEvent:t})}},module.exports=ScrollZoomHandler},{"../../util/browser":192,"../../util/dom":199,"../../util/util":212,"../../util/window":194}],185:[function(require,module,exports){"use strict";var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window"),inertiaLinearity=.15,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaDeceleration=12,inertiaMaxSpeed=2.5,significantScaleThreshold=.15,significantRotateThreshold=4,TouchZoomRotateHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onStart","_onMove","_onEnd"],this)};TouchZoomRotateHandler.prototype.isEnabled=function(){return!!this._enabled},TouchZoomRotateHandler.prototype.enable=function(t){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0,this._aroundCenter=t&&"center"===t.around)},TouchZoomRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},TouchZoomRotateHandler.prototype.disableRotation=function(){this._rotationDisabled=!0},TouchZoomRotateHandler.prototype.enableRotation=function(){this._rotationDisabled=!1},TouchZoomRotateHandler.prototype._onStart=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),o=DOM.mousePos(this._el,t.touches[1]);this._startVec=e.sub(o),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],window.document.addEventListener("touchmove",this._onMove,!1),window.document.addEventListener("touchend",this._onEnd,!1)}},TouchZoomRotateHandler.prototype._onMove=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),o=DOM.mousePos(this._el,t.touches[1]),i=e.add(o).div(2),n=e.sub(o),a=n.mag()/this._startVec.mag(),r=this._rotationDisabled?0:180*n.angleWith(this._startVec)/Math.PI,s=this._map;if(this._gestureIntent){var h={duration:0,around:s.unproject(i)};"rotate"===this._gestureIntent&&(h.bearing=this._startBearing+r),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(h.zoom=s.transform.scaleZoom(this._startScale*a)),s.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),a,i]),s.easeTo(h,{originalEvent:t})}else{var u=Math.abs(1-a)>significantScaleThreshold,d=Math.abs(r)>significantRotateThreshold;d?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=n,this._startScale=s.transform.scale,this._startBearing=s.transform.bearing)}t.preventDefault()}},TouchZoomRotateHandler.prototype._onEnd=function(t){window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,o=this._map;if(e.length<2)return void o.snapToNorth({},{originalEvent:t});var i=e[e.length-1],n=e[0],a=o.transform.scaleZoom(this._startScale*i[1]),r=o.transform.scaleZoom(this._startScale*n[1]),s=a-r,h=(i[0]-n[0])/1e3,u=i[2];if(0===h||a===r)return void o.snapToNorth({},{originalEvent:t});var d=s*inertiaLinearity/h;Math.abs(d)>inertiaMaxSpeed&&(d=d>0?inertiaMaxSpeed:-inertiaMaxSpeed);var l=1e3*Math.abs(d/(inertiaDeceleration*inertiaLinearity)),c=a+d*l/2e3;c<0&&(c=0),o.easeTo({zoom:c,duration:l,easing:inertiaEasing,around:this._aroundCenter?o.getCenter():o.unproject(u)},{originalEvent:t})},TouchZoomRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),o=160;t.length>2&&e-t[0][0]>o;)t.shift()},module.exports=TouchZoomRotateHandler},{"../../util/dom":199,"../../util/util":212,"../../util/window":194}],186:[function(require,module,exports){"use strict";var util=require("../util/util"),window=require("../util/window"),Hash=function(){util.bindAll(["_onHashChange","_updateHash"],this)};Hash.prototype.addTo=function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},Hash.prototype.remove=function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},Hash.prototype._onHashChange=function(){var t=window.location.hash.replace("#","").split("/");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0),pitch:+(t[4]||0)}),!0)},Hash.prototype._updateHash=function(){var t=this._map.getCenter(),e=this._map.getZoom(),a=this._map.getBearing(),h=this._map.getPitch(),i=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),n="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(i)+"/"+t.lng.toFixed(i);(a||h)&&(n+="/"+Math.round(10*a)/10),h&&(n+="/"+Math.round(h)),window.history.replaceState("","",n)},module.exports=Hash},{"../util/util":212,"../util/window":194}],187:[function(require,module,exports){"use strict";function removeNode(t){t.parentNode&&t.parentNode.removeChild(t)}var util=require("../util/util"),browser=require("../util/browser"),window=require("../util/window"),DOM=require("../util/dom"),Style=require("../style/style"),AnimationLoop=require("../style/animation_loop"),Painter=require("../render/painter"),Transform=require("../geo/transform"),Hash=require("./hash"),bindHandlers=require("./bind_handlers"),Camera=require("./camera"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),AttributionControl=require("./control/attribution_control"),LogoControl=require("./control/logo_control"),isSupported=require("mapbox-gl-supported"),defaultMinZoom=0,defaultMaxZoom=22,defaultOptions={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:defaultMinZoom,maxZoom:defaultMaxZoom,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0,renderWorldCopies:!0,refreshExpiredTiles:!0},Map=function(t){function e(e){var o=this;if(e=util.extend({},defaultOptions,e),null!=e.minZoom&&null!=e.maxZoom&&e.minZoom>e.maxZoom)throw new Error("maxZoom must be greater than minZoom");var i=new Transform(e.minZoom,e.maxZoom,e.renderWorldCopies);if(t.call(this,i,e),this._interactive=e.interactive,this._failIfMajorPerformanceCaveat=e.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=e.preserveDrawingBuffer,this._trackResize=e.trackResize,this._bearingSnap=e.bearingSnap,this._refreshExpiredTiles=e.refreshExpiredTiles,"string"==typeof e.container){if(this._container=window.document.getElementById(e.container),!this._container)throw new Error("Container '"+e.container+"' not found.")}else this._container=e.container;this.animationLoop=new AnimationLoop,e.maxBounds&&this.setMaxBounds(e.maxBounds),util.bindAll(["_onWindowOnline","_onWindowResize","_contextLost","_contextRestored","_update","_render","_onData","_onDataLoading"],this),this._setupContainer(),this._setupPainter(),this.on("move",this._update.bind(this,!1)),this.on("zoom",this._update.bind(this,!0)),this.on("moveend",function(){o.animationLoop.set(300),o._rerender()}),"undefined"!=typeof window&&(window.addEventListener("online",this._onWindowOnline,!1),window.addEventListener("resize",this._onWindowResize,!1)),bindHandlers(this,e),this._hash=e.hash&&(new Hash).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:e.center,zoom:e.zoom,bearing:e.bearing,pitch:e.pitch}),this._classes=[],this.resize(),e.classes&&this.setClasses(e.classes),e.style&&this.setStyle(e.style),e.attributionControl&&this.addControl(new AttributionControl),this.addControl(new LogoControl,e.logoPosition),this.on("style.load",function(){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1})}),this.on("data",this._onData),this.on("dataloading",this._onDataLoading)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var o={showTileBoundaries:{},showCollisionBoxes:{},showOverdrawInspector:{},repaint:{},vertices:{}};return e.prototype.addControl=function(t,e){void 0===e&&t.getDefaultPosition&&(e=t.getDefaultPosition()),void 0===e&&(e="top-right");var o=t.onAdd(this),i=this._controlPositions[e];return e.indexOf("bottom")!==-1?i.insertBefore(o,i.firstChild):i.appendChild(o),this},e.prototype.removeControl=function(t){return t.onRemove(this),this},e.prototype.addClass=function(t,e){return util.warnOnce("Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS."),this._classes.indexOf(t)>=0||""===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.removeClass=function(t,e){util.warnOnce("Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS.");var o=this._classes.indexOf(t);return o<0||""===t?this:(this._classes.splice(o,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.setClasses=function(t,e){util.warnOnce("Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS.");for(var o={},i=0;i<t.length;i++)""!==t[i]&&(o[t[i]]=!0);return this._classes=Object.keys(o),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0)},e.prototype.hasClass=function(t){return util.warnOnce("Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS."),this._classes.indexOf(t)>=0},e.prototype.getClasses=function(){return util.warnOnce("Style classes are deprecated and will be removed in an upcoming release of Mapbox GL JS."),this._classes},e.prototype.resize=function(){var t=this._containerDimensions(),e=t[0],o=t[1];return this._resizeCanvas(e,o),this.transform.resize(e,o),this.painter.resize(e,o),this.fire("movestart").fire("move").fire("resize").fire("moveend")},e.prototype.getBounds=function(){var t=new LngLatBounds(this.transform.pointLocation(new Point(0,this.transform.height)),this.transform.pointLocation(new Point(this.transform.width,0)));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new Point(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new Point(0,this.transform.size.y)))),t},e.prototype.setMaxBounds=function(t){if(t){var e=LngLatBounds.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=[],this.transform.latRange=[],this._update());return this},e.prototype.setMinZoom=function(t){if(t=null===t||void 0===t?defaultMinZoom:t,t>=defaultMinZoom&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()<t&&this.setZoom(t),this;throw new Error("minZoom must be between "+defaultMinZoom+" and the current maxZoom, inclusive")},e.prototype.getMinZoom=function(){return this.transform.minZoom},e.prototype.setMaxZoom=function(t){if(t=null===t||void 0===t?defaultMaxZoom:t,t>=this.transform.minZoom)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be greater than the current minZoom")},e.prototype.getMaxZoom=function(){return this.transform.maxZoom},e.prototype.project=function(t){return this.transform.locationPoint(LngLat.convert(t))},e.prototype.unproject=function(t){return this.transform.pointLocation(Point.convert(t))},e.prototype.queryRenderedFeatures=function(){function t(t){return t instanceof Point||Array.isArray(t)}var e,o={};return 2===arguments.length?(e=arguments[0],o=arguments[1]):1===arguments.length&&t(arguments[0])?e=arguments[0]:1===arguments.length&&(o=arguments[0]),this.style.queryRenderedFeatures(this._makeQueryGeometry(e),o,this.transform.zoom,this.transform.angle)},e.prototype._makeQueryGeometry=function(t){var e=this;void 0===t&&(t=[Point.convert([0,0]),Point.convert([this.transform.width,this.transform.height])]);var o,i=t instanceof Point||"number"==typeof t[0];if(i){var r=Point.convert(t);o=[r]}else{var s=[Point.convert(t[0]),Point.convert(t[1])];o=[s[0],new Point(s[1].x,s[0].y),s[1],new Point(s[0].x,s[1].y),s[0]]}return o=o.map(function(t){return e.transform.pointCoordinate(t)})},e.prototype.querySourceFeatures=function(t,e){return this.style.querySourceFeatures(t,e)},e.prototype.setStyle=function(t,e){var o=(!e||e.diff!==!1)&&this.style&&t&&!(t instanceof Style)&&"string"!=typeof t;if(o)try{return this.style.setState(t)&&this._update(!0),this}catch(t){util.warnOnce("Unable to perform style diff: "+(t.message||t.error||t)+".  Rebuilding the style from scratch.")}return this.style&&(this.style.setEventedParent(null),this.style._remove(),this.off("rotate",this.style._redoPlacement),this.off("pitch",this.style._redoPlacement)),t?(t instanceof Style?this.style=t:this.style=new Style(t,this),this.style.setEventedParent(this,{style:this.style}),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this):(this.style=null,this)},e.prototype.getStyle=function(){if(this.style)return this.style.serialize()},e.prototype.addSource=function(t,e){return this.style.addSource(t,e),this._update(!0),this},e.prototype.isSourceLoaded=function(t){var e=this.style&&this.style.sourceCaches[t];return void 0===e?void this.fire("error",{error:new Error("There is no source with ID '"+t+"'")}):e.loaded()},e.prototype.addSourceType=function(t,e,o){return this.style.addSourceType(t,e,o)},e.prototype.removeSource=function(t){return this.style.removeSource(t),this._update(!0),this},e.prototype.getSource=function(t){return this.style.getSource(t)},e.prototype.addImage=function(t,e,o){this.style.spriteAtlas.addImage(t,e,o)},e.prototype.removeImage=function(t){this.style.spriteAtlas.removeImage(t)},e.prototype.addLayer=function(t,e){return this.style.addLayer(t,e),this._update(!0),this},e.prototype.moveLayer=function(t,e){return this.style.moveLayer(t,e),this._update(!0),this},e.prototype.removeLayer=function(t){return this.style.removeLayer(t),this._update(!0),this},e.prototype.getLayer=function(t){return this.style.getLayer(t)},e.prototype.setFilter=function(t,e){return this.style.setFilter(t,e),this._update(!0),this},e.prototype.setLayerZoomRange=function(t,e,o){return this.style.setLayerZoomRange(t,e,o),this._update(!0),this},e.prototype.getFilter=function(t){return this.style.getFilter(t)},e.prototype.setPaintProperty=function(t,e,o,i){return this.style.setPaintProperty(t,e,o,i),this._update(!0),this},e.prototype.getPaintProperty=function(t,e,o){return this.style.getPaintProperty(t,e,o)},e.prototype.setLayoutProperty=function(t,e,o){return this.style.setLayoutProperty(t,e,o),this._update(!0),this},
e.prototype.getLayoutProperty=function(t,e){return this.style.getLayoutProperty(t,e)},e.prototype.setLight=function(t){return this.style.setLight(t),this._update(!0),this},e.prototype.getLight=function(){return this.style.getLight()},e.prototype.getContainer=function(){return this._container},e.prototype.getCanvasContainer=function(){return this._canvasContainer},e.prototype.getCanvas=function(){return this._canvas},e.prototype._containerDimensions=function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),[t,e]},e.prototype._setupContainer=function(){var t=this._container;t.classList.add("mapboxgl-map");var e=this._canvasContainer=DOM.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=DOM.create("canvas","mapboxgl-canvas",e),this._canvas.style.position="absolute",this._canvas.addEventListener("webglcontextlost",this._contextLost,!1),this._canvas.addEventListener("webglcontextrestored",this._contextRestored,!1),this._canvas.setAttribute("tabindex",0),this._canvas.setAttribute("aria-label","Map");var o=this._containerDimensions();this._resizeCanvas(o[0],o[1]);var i=this._controlContainer=DOM.create("div","mapboxgl-control-container",t),r=this._controlPositions={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){r[t]=DOM.create("div","mapboxgl-ctrl-"+t,i)})},e.prototype._resizeCanvas=function(t,e){var o=window.devicePixelRatio||1;this._canvas.width=o*t,this._canvas.height=o*e,this._canvas.style.width=t+"px",this._canvas.style.height=e+"px"},e.prototype._setupPainter=function(){var t=util.extend({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer},isSupported.webGLContextAttributes),e=this._canvas.getContext("webgl",t)||this._canvas.getContext("experimental-webgl",t);return e?void(this.painter=new Painter(e,this.transform)):void this.fire("error",{error:new Error("Failed to initialize WebGL")})},e.prototype._contextLost=function(t){t.preventDefault(),this._frameId&&browser.cancelFrame(this._frameId),this.fire("webglcontextlost",{originalEvent:t})},e.prototype._contextRestored=function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},e.prototype.loaded=function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},e.prototype._update=function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},e.prototype._render=function(){return this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(this._classes,this._classOptions),this._classOptions=null,this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{showTileBoundaries:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,rotating:this.rotating,zooming:this.zooming}),this.fire("render"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire("load")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||this._styleDirty)&&this._rerender(),this},e.prototype.remove=function(){this._hash&&this._hash.remove(),browser.cancelFrame(this._frameId),this.setStyle(null),"undefined"!=typeof window&&(window.removeEventListener("resize",this._onWindowResize,!1),window.removeEventListener("online",this._onWindowOnline,!1));var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),removeNode(this._canvasContainer),removeNode(this._controlContainer),this._container.classList.remove("mapboxgl-map"),this.fire("remove")},e.prototype._rerender=function(){this.style&&!this._frameId&&(this._frameId=browser.frame(this._render))},e.prototype._onWindowOnline=function(){this._update()},e.prototype._onWindowResize=function(){this._trackResize&&this.stop().resize()._update()},o.showTileBoundaries.get=function(){return!!this._showTileBoundaries},o.showTileBoundaries.set=function(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},o.showCollisionBoxes.get=function(){return!!this._showCollisionBoxes},o.showCollisionBoxes.set=function(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},o.showOverdrawInspector.get=function(){return!!this._showOverdrawInspector},o.showOverdrawInspector.set=function(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},o.repaint.get=function(){return!!this._repaint},o.repaint.set=function(t){this._repaint=t,this._update()},o.vertices.get=function(){return!!this._vertices},o.vertices.set=function(t){this._vertices=t,this._update()},e.prototype._onData=function(t){this._update("style"===t.dataType),this.fire(t.dataType+"data",t)},e.prototype._onDataLoading=function(t){this.fire(t.dataType+"dataloading",t)},Object.defineProperties(e.prototype,o),e}(Camera);module.exports=Map},{"../geo/lng_lat":62,"../geo/lng_lat_bounds":63,"../geo/transform":64,"../render/painter":77,"../style/animation_loop":143,"../style/style":146,"../util/browser":192,"../util/dom":199,"../util/util":212,"../util/window":194,"./bind_handlers":171,"./camera":172,"./control/attribution_control":173,"./control/logo_control":176,"./hash":186,"mapbox-gl-supported":22,"point-geometry":26}],188:[function(require,module,exports){"use strict";var DOM=require("../util/dom"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Marker=function(t,e){this._offset=Point.convert(e&&e.offset||[0,0]),this._update=this._update.bind(this),this._onMapClick=this._onMapClick.bind(this),t||(t=DOM.create("div")),t.classList.add("mapboxgl-marker"),this._element=t,this._popup=null};Marker.prototype.addTo=function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._element),t.on("move",this._update),t.on("moveend",this._update),this._update(),this._map.on("click",this._onMapClick),this},Marker.prototype.remove=function(){return this._map&&(this._map.off("click",this._onMapClick),this._map.off("move",this._update),this._map.off("moveend",this._update),this._map=null),DOM.remove(this._element),this._popup&&this._popup.remove(),this},Marker.prototype.getLngLat=function(){return this._lngLat},Marker.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._popup&&this._popup.setLngLat(this._lngLat),this._update(),this},Marker.prototype.getElement=function(){return this._element},Marker.prototype.setPopup=function(t){return this._popup&&(this._popup.remove(),this._popup=null),t&&(this._popup=t,this._popup.setLngLat(this._lngLat)),this},Marker.prototype._onMapClick=function(t){var e=t.originalEvent.target,p=this._element;this._popup&&(e===p||p.contains(e))&&this.togglePopup()},Marker.prototype.getPopup=function(){return this._popup},Marker.prototype.togglePopup=function(){var t=this._popup;t&&(t.isOpen()?t.remove():t.addTo(this._map))},Marker.prototype._update=function(t){if(this._map){var e=this._map.project(this._lngLat)._add(this._offset);t&&"moveend"!==t.type||(e=e.round()),DOM.setTransform(this._element,"translate("+e.x+"px, "+e.y+"px)")}},module.exports=Marker},{"../geo/lng_lat":62,"../util/dom":199,"point-geometry":26}],189:[function(require,module,exports){"use strict";function normalizeOffset(t){if(t){if("number"==typeof t){var o=Math.round(Math.sqrt(.5*Math.pow(t,2)));return{top:new Point(0,t),"top-left":new Point(o,o),"top-right":new Point(-o,o),bottom:new Point(0,-t),"bottom-left":new Point(o,-o),"bottom-right":new Point(-o,-o),left:new Point(t,0),right:new Point(-t,0)}}if(isPointLike(t)){var e=Point.convert(t);return{top:e,"top-left":e,"top-right":e,bottom:e,"bottom-left":e,"bottom-right":e,left:e,right:e}}return{top:Point.convert(t.top||[0,0]),"top-left":Point.convert(t["top-left"]||[0,0]),"top-right":Point.convert(t["top-right"]||[0,0]),bottom:Point.convert(t.bottom||[0,0]),"bottom-left":Point.convert(t["bottom-left"]||[0,0]),"bottom-right":Point.convert(t["bottom-right"]||[0,0]),left:Point.convert(t.left||[0,0]),right:Point.convert(t.right||[0,0])}}return normalizeOffset(new Point(0,0))}function isPointLike(t){return t instanceof Point||Array.isArray(t)}var util=require("../util/util"),Evented=require("../util/evented"),DOM=require("../util/dom"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),window=require("../util/window"),defaultOptions={closeButton:!0,closeOnClick:!0},Popup=function(t){function o(o){t.call(this),this.options=util.extend(Object.create(defaultOptions),o),util.bindAll(["_update","_onClickClose"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.addTo=function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},o.prototype.isOpen=function(){return!!this._map},o.prototype.remove=function(){return this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._container&&(this._container.parentNode.removeChild(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this.fire("close"),this},o.prototype.getLngLat=function(){return this._lngLat},o.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._update(),this},o.prototype.setText=function(t){return this.setDOMContent(window.document.createTextNode(t))},o.prototype.setHTML=function(t){var o,e=window.document.createDocumentFragment(),n=window.document.createElement("body");for(n.innerHTML=t;;){if(o=n.firstChild,!o)break;e.appendChild(o)}return this.setDOMContent(e)},o.prototype.setDOMContent=function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},o.prototype._createContent=function(){this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._content=DOM.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=DOM.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.type="button",this._closeButton.innerHTML="&#215;",this._closeButton.addEventListener("click",this._onClickClose))},o.prototype._update=function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=DOM.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=DOM.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content));var t=this.options.anchor,o=normalizeOffset(this.options.offset),e=this._map.project(this._lngLat).round();if(!t){var n=this._container.offsetWidth,i=this._container.offsetHeight;t=e.y+o.bottom.y<i?["top"]:e.y>this._map.transform.height-i?["bottom"]:[],e.x<n/2?t.push("left"):e.x>this._map.transform.width-n/2&&t.push("right"),t=0===t.length?"bottom":t.join("-")}var r=e.add(o[t]),s={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},p=this._container.classList;for(var a in s)p.remove("mapboxgl-popup-anchor-"+a);p.add("mapboxgl-popup-anchor-"+t),DOM.setTransform(this._container,s[t]+" translate("+r.x+"px,"+r.y+"px)")}},o.prototype._onClickClose=function(){this.remove()},o}(Evented);module.exports=Popup},{"../geo/lng_lat":62,"../util/dom":199,"../util/evented":200,"../util/util":212,"../util/window":194,"point-geometry":26}],190:[function(require,module,exports){"use strict";var Actor=function(t,e,a){this.target=t,this.parent=e,this.mapId=a,this.callbacks={},this.callbackID=0,this.receive=this.receive.bind(this),this.target.addEventListener("message",this.receive,!1)};Actor.prototype.send=function(t,e,a,r,s){var i=a?this.mapId+":"+this.callbackID++:null;a&&(this.callbacks[i]=a),this.target.postMessage({targetMapId:s,sourceMapId:this.mapId,type:t,id:String(i),data:e},r)},Actor.prototype.receive=function(t){var e,a=this,r=t.data,s=r.id;if(!r.targetMapId||this.mapId===r.targetMapId){var i=function(t,e,r){a.target.postMessage({sourceMapId:a.mapId,type:"<response>",id:String(s),error:t?String(t):null,data:e},r)};if("<response>"===r.type)e=this.callbacks[r.id],delete this.callbacks[r.id],e&&e(r.error||null,r.data);else if("undefined"!=typeof r.id&&this.parent[r.type])this.parent[r.type](r.sourceMapId,r.data,i);else if("undefined"!=typeof r.id&&this.parent.getWorkerSource){var p=r.type.split("."),d=this.parent.getWorkerSource(r.sourceMapId,p[0]);d[p[1]](r.data,i)}else this.parent[r.type](r.data)}},Actor.prototype.remove=function(){this.target.removeEventListener("message",this.receive,!1)},module.exports=Actor},{}],191:[function(require,module,exports){"use strict";function sameOrigin(e){var t=window.document.createElement("a");return t.href=e,t.protocol===window.document.location.protocol&&t.host===window.document.location.host}var window=require("./window");exports.getJSON=function(e,t){var n=new window.XMLHttpRequest;return n.open("GET",e,!0),n.setRequestHeader("Accept","application/json"),n.onerror=function(e){t(e)},n.onload=function(){if(n.status>=200&&n.status<300&&n.response){var e;try{e=JSON.parse(n.response)}catch(e){return t(e)}t(null,e)}else t(new Error(n.statusText))},n.send(),n},exports.getArrayBuffer=function(e,t){var n=new window.XMLHttpRequest;return n.open("GET",e,!0),n.responseType="arraybuffer",n.onerror=function(e){t(e)},n.onload=function(){return 0===n.response.byteLength&&200===n.status?t(new Error("http status 200 returned without content.")):void(n.status>=200&&n.status<300&&n.response?t(null,{data:n.response,cacheControl:n.getResponseHeader("Cache-Control"),expires:n.getResponseHeader("Expires")}):t(new Error(n.statusText)))},n.send(),n};var transparentPngUrl="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAUAAarVyFEAAAAASUVORK5CYII=";exports.getImage=function(e,t){return exports.getArrayBuffer(e,function(e,n){if(e)return t(e);var r=new window.Image,o=window.URL||window.webkitURL;r.onload=function(){t(null,r),o.revokeObjectURL(r.src)};var a=new window.Blob([new Uint8Array(n.data)],{type:"image/png"});r.cacheControl=n.cacheControl,r.expires=n.expires,r.src=n.data.byteLength?o.createObjectURL(a):transparentPngUrl})},exports.getVideo=function(e,t){var n=window.document.createElement("video");n.onloadstart=function(){t(null,n)};for(var r=0;r<e.length;r++){var o=window.document.createElement("source");sameOrigin(e[r])||(n.crossOrigin="Anonymous"),o.src=e[r],n.appendChild(o)}return n}},{"./window":194}],192:[function(require,module,exports){"use strict";var window=require("./window");module.exports.now=function(){return window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now.bind(Date)}();var frame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame;exports.frame=function(e){return frame(e)};var cancel=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame;exports.cancelFrame=function(e){cancel(e)},exports.timed=function(e,n,t){function o(i){r||(i=module.exports.now(),i>=a+n?e.call(t,1):(e.call(t,(i-a)/n),exports.frame(o)))}if(!n)return e.call(t,1),null;var r=!1,a=module.exports.now();return exports.frame(o),function(){r=!0}},exports.getImageData=function(e){var n=window.document.createElement("canvas"),t=n.getContext("2d");return n.width=e.width,n.height=e.height,t.drawImage(e,0,0),t.getImageData(0,0,e.width,e.height).data},exports.supported=require("mapbox-gl-supported"),exports.hardwareConcurrency=window.navigator.hardwareConcurrency||4,Object.defineProperty(exports,"devicePixelRatio",{get:function(){return window.devicePixelRatio}}),exports.supportsWebp=!1;var webpImgTest=window.document.createElement("img");webpImgTest.onload=function(){exports.supportsWebp=!0},webpImgTest.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA="},{"./window":194,"mapbox-gl-supported":22}],193:[function(require,module,exports){"use strict";var WebWorkify=require("webworkify"),window=require("../window"),workerURL=window.URL.createObjectURL(new WebWorkify(require("../../source/worker"),{bare:!0}));module.exports=function(){return new window.Worker(workerURL)}},{"../../source/worker":98,"../window":194,webworkify:41}],194:[function(require,module,exports){"use strict";module.exports=self},{}],195:[function(require,module,exports){"use strict";function compareAreas(e,r){return r.area-e.area}var quickselect=require("quickselect"),calculateSignedArea=require("./util").calculateSignedArea;module.exports=function(e,r){var a=e.length;if(a<=1)return[e];for(var t,u,c=[],i=0;i<a;i++){var l=calculateSignedArea(e[i]);0!==l&&(e[i].area=Math.abs(l),void 0===u&&(u=l<0),u===l<0?(t&&c.push(t),t=[e[i]]):t.push(e[i]))}if(t&&c.push(t),r>1)for(var n=0;n<c.length;n++)c[n].length<=r||(quickselect(c[n],r,1,c[n].length-1,compareAreas),c[n]=c[n].slice(0,r));return c}},{"./util":212,quickselect:28}],196:[function(require,module,exports){"use strict";var config={API_URL:"https://api.mapbox.com",REQUIRE_ACCESS_TOKEN:!0,ACCESS_TOKEN:null};module.exports=config},{}],197:[function(require,module,exports){"use strict";var DictionaryCoder=function(r){var t=this;this._stringToNumber={},this._numberToString=[];for(var o=0;o<r.length;o++){var i=r[o];t._stringToNumber[i]=o,t._numberToString[o]=i}};DictionaryCoder.prototype.encode=function(r){return this._stringToNumber[r]},DictionaryCoder.prototype.decode=function(r){return this._numberToString[r]},module.exports=DictionaryCoder},{}],198:[function(require,module,exports){"use strict";var util=require("./util"),Actor=require("./actor"),Dispatcher=function(t,r){var o=this;this.workerPool=t,this.actors=[],this.currentActor=0,this.id=util.uniqueId();for(var i=this.workerPool.acquire(this.id),e=0;e<i.length;e++){var s=i[e],c=new Actor(s,r,o.id);c.name="Worker "+e,o.actors.push(c)}};Dispatcher.prototype.broadcast=function(t,r,o){o=o||function(){},util.asyncAll(this.actors,function(o,i){o.send(t,r,i)},o)},Dispatcher.prototype.send=function(t,r,o,i,e){return("number"!=typeof i||isNaN(i))&&(i=this.currentActor=(this.currentActor+1)%this.actors.length),this.actors[i].send(t,r,o,e),i},Dispatcher.prototype.remove=function(){this.actors.forEach(function(t){t.remove()}),this.actors=[],this.workerPool.release(this.id)},module.exports=Dispatcher},{"./actor":190,"./util":212}],199:[function(require,module,exports){"use strict";function testProp(e){for(var t=0;t<e.length;t++)if(e[t]in docStyle)return e[t];return e[0]}function suppressClick(e){e.preventDefault(),e.stopPropagation(),window.removeEventListener("click",suppressClick,!0)}var Point=require("point-geometry"),window=require("./window");exports.create=function(e,t,o){var n=window.document.createElement(e);return t&&(n.className=t),o&&o.appendChild(n),n};var docStyle=window.document.documentElement.style,selectProp=testProp(["userSelect","MozUserSelect","WebkitUserSelect","msUserSelect"]),userSelect;exports.disableDrag=function(){selectProp&&(userSelect=docStyle[selectProp],docStyle[selectProp]="none")},exports.enableDrag=function(){selectProp&&(docStyle[selectProp]=userSelect)};var transformProp=testProp(["transform","WebkitTransform"]);exports.setTransform=function(e,t){e.style[transformProp]=t},exports.suppressClick=function(){window.addEventListener("click",suppressClick,!0),window.setTimeout(function(){window.removeEventListener("click",suppressClick,!0)},0)},exports.mousePos=function(e,t){var o=e.getBoundingClientRect();return t=t.touches?t.touches[0]:t,new Point(t.clientX-o.left-e.clientLeft,t.clientY-o.top-e.clientTop)},exports.touchPos=function(e,t){for(var o=e.getBoundingClientRect(),n=[],r="touchend"===t.type?t.changedTouches:t.touches,s=0;s<r.length;s++)n.push(new Point(r[s].clientX-o.left-e.clientLeft,r[s].clientY-o.top-e.clientTop));return n},exports.remove=function(e){e.parentNode&&e.parentNode.removeChild(e)}},{"./window":194,"point-geometry":26}],200:[function(require,module,exports){"use strict";function _addEventListener(e,t,n){n[e]=n[e]||[],n[e].push(t)}function _removeEventListener(e,t,n){if(n&&n[e]){var i=n[e].indexOf(t);i!==-1&&n[e].splice(i,1)}}var util=require("./util"),Evented=function(){};Evented.prototype.on=function(e,t){return this._listeners=this._listeners||{},_addEventListener(e,t,this._listeners),this},Evented.prototype.off=function(e,t){return _removeEventListener(e,t,this._listeners),_removeEventListener(e,t,this._oneTimeListeners),this},Evented.prototype.once=function(e,t){return this._oneTimeListeners=this._oneTimeListeners||{},_addEventListener(e,t,this._oneTimeListeners),this},Evented.prototype.fire=function(e,t){var n=this;if(this.listens(e)){t=util.extend({},t,{type:e,target:this});for(var i=this._listeners&&this._listeners[e]?this._listeners[e].slice():[],s=0;s<i.length;s++)i[s].call(n,t);for(var r=this._oneTimeListeners&&this._oneTimeListeners[e]?this._oneTimeListeners[e].slice():[],o=0;o<r.length;o++)r[o].call(n,t),_removeEventListener(e,r[o],n._oneTimeListeners);this._eventedParent&&this._eventedParent.fire(e,util.extend({},t,"function"==typeof this._eventedParentData?this._eventedParentData():this._eventedParentData))}else util.endsWith(e,"error")&&console.error(t&&t.error||t||"Empty error event");return this},Evented.prototype.listens=function(e){return this._listeners&&this._listeners[e]&&this._listeners[e].length>0||this._oneTimeListeners&&this._oneTimeListeners[e]&&this._oneTimeListeners[e].length>0||this._eventedParent&&this._eventedParent.listens(e)},Evented.prototype.setEventedParent=function(e,t){return this._eventedParent=e,this._eventedParentData=t,this},module.exports=Evented},{"./util":212}],201:[function(require,module,exports){"use strict";function compareMax(e,t){return t.max-e.max}function Cell(e,t,n,r){this.p=new Point(e,t),this.h=n,this.d=pointToPolygonDist(this.p,r),this.max=this.d+this.h*Math.SQRT2}function pointToPolygonDist(e,t){for(var n=!1,r=1/0,o=0;o<t.length;o++)for(var i=t[o],l=0,u=i.length,s=u-1;l<u;s=l++){var a=i[l],h=i[s];a.y>e.y!=h.y>e.y&&e.x<(h.x-a.x)*(e.y-a.y)/(h.y-a.y)+a.x&&(n=!n),r=Math.min(r,distToSegmentSquared(e,a,h))}return(n?1:-1)*Math.sqrt(r)}function getCentroidCell(e){for(var t=0,n=0,r=0,o=e[0],i=0,l=o.length,u=l-1;i<l;u=i++){var s=o[i],a=o[u],h=s.x*a.y-a.x*s.y;n+=(s.x+a.x)*h,r+=(s.y+a.y)*h,t+=3*h}return new Cell(n/t,r/t,0,e)}var Queue=require("tinyqueue"),Point=require("point-geometry"),distToSegmentSquared=require("./intersection_tests").distToSegmentSquared;module.exports=function(e,t,n){t=t||1;for(var r,o,i,l,u=e[0],s=0;s<u.length;s++){var a=u[s];(!s||a.x<r)&&(r=a.x),(!s||a.y<o)&&(o=a.y),(!s||a.x>i)&&(i=a.x),(!s||a.y>l)&&(l=a.y)}var h=i-r,p=l-o,y=Math.min(h,p),x=y/2,d=new Queue(null,compareMax);if(0===y)return[r,o];for(var g=r;g<i;g+=y)for(var f=o;f<l;f+=y)d.push(new Cell(g+x,f+x,x,e));for(var m=getCentroidCell(e),c=d.length;d.length;){var v=d.pop();(v.d>m.d||!m.d)&&(m=v,n&&console.log("found best %d after %d probes",Math.round(1e4*v.d)/1e4,c)),v.max-m.d<=t||(x=v.h/2,d.push(new Cell(v.p.x-x,v.p.y-x,x,e)),d.push(new Cell(v.p.x+x,v.p.y-x,x,e)),d.push(new Cell(v.p.x-x,v.p.y+x,x,e)),d.push(new Cell(v.p.x+x,v.p.y+x,x,e)),c+=4)}return n&&(console.log("num probes: "+c),console.log("best distance: "+m.d)),m.p}},{"./intersection_tests":205,"point-geometry":26,tinyqueue:30}],202:[function(require,module,exports){"use strict";var WorkerPool=require("./worker_pool"),globalWorkerPool;module.exports=function(){return globalWorkerPool||(globalWorkerPool=new WorkerPool),globalWorkerPool}},{"./worker_pool":215}],203:[function(require,module,exports){"use strict";function Glyphs(a,e){this.stacks=a.readFields(readFontstacks,[],e)}function readFontstacks(a,e,r){if(1===a){var t=r.readMessage(readFontstack,{glyphs:{}});e.push(t)}}function readFontstack(a,e,r){if(1===a)e.name=r.readString();else if(2===a)e.range=r.readString();else if(3===a){var t=r.readMessage(readGlyph,{});e.glyphs[t.id]=t}}function readGlyph(a,e,r){1===a?e.id=r.readVarint():2===a?e.bitmap=r.readBytes():3===a?e.width=r.readVarint():4===a?e.height=r.readVarint():5===a?e.left=r.readSVarint():6===a?e.top=r.readSVarint():7===a&&(e.advance=r.readVarint())}module.exports=Glyphs},{}],204:[function(require,module,exports){"use strict";function interpolate(t,e,n){return t*(1-n)+e*n}module.exports=interpolate,interpolate.number=interpolate,interpolate.vec2=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n)]},interpolate.color=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n),interpolate(t[2],e[2],n),interpolate(t[3],e[3],n)]},interpolate.array=function(t,e,n){return t.map(function(t,r){return interpolate(t,e[r],n)})}},{}],205:[function(require,module,exports){"use strict";function polygonIntersectsPolygon(n,t){for(var e=0;e<n.length;e++)if(polygonContainsPoint(t,n[e]))return!0;for(var r=0;r<t.length;r++)if(polygonContainsPoint(n,t[r]))return!0;return!!lineIntersectsLine(n,t)}function multiPolygonIntersectsBufferedMultiPoint(n,t,e){for(var r=0;r<n.length;r++)for(var o=n[r],i=0;i<t.length;i++)for(var l=t[i],u=0;u<l.length;u++){var s=l[u];if(polygonContainsPoint(o,s))return!0;if(pointIntersectsBufferedLine(s,o,e))return!0}return!1}function multiPolygonIntersectsMultiPolygon(n,t){if(1===n.length&&1===n[0].length)return multiPolygonContainsPoint(t,n[0][0]);for(var e=0;e<t.length;e++)for(var r=t[e],o=0;o<r.length;o++)if(multiPolygonContainsPoint(n,r[o]))return!0;for(var i=0;i<n.length;i++){for(var l=n[i],u=0;u<l.length;u++)if(multiPolygonContainsPoint(t,l[u]))return!0;for(var s=0;s<t.length;s++)if(lineIntersectsLine(l,t[s]))return!0}return!1}function multiPolygonIntersectsBufferedMultiLine(n,t,e){for(var r=0;r<t.length;r++)for(var o=t[r],i=0;i<n.length;i++){var l=n[i];if(l.length>=3)for(var u=0;u<o.length;u++)if(polygonContainsPoint(l,o[u]))return!0;if(lineIntersectsBufferedLine(l,o,e))return!0}return!1}function lineIntersectsBufferedLine(n,t,e){if(n.length>1){if(lineIntersectsLine(n,t))return!0;for(var r=0;r<t.length;r++)if(pointIntersectsBufferedLine(t[r],n,e))return!0}for(var o=0;o<n.length;o++)if(pointIntersectsBufferedLine(n[o],t,e))return!0;return!1}function lineIntersectsLine(n,t){if(0===n.length||0===t.length)return!1;for(var e=0;e<n.length-1;e++)for(var r=n[e],o=n[e+1],i=0;i<t.length-1;i++){var l=t[i],u=t[i+1];if(lineSegmentIntersectsLineSegment(r,o,l,u))return!0}return!1}function lineSegmentIntersectsLineSegment(n,t,e,r){return isCounterClockwise(n,e,r)!==isCounterClockwise(t,e,r)&&isCounterClockwise(n,t,e)!==isCounterClockwise(n,t,r)}function pointIntersectsBufferedLine(n,t,e){var r=e*e;if(1===t.length)return n.distSqr(t[0])<r;for(var o=1;o<t.length;o++){var i=t[o-1],l=t[o];if(distToSegmentSquared(n,i,l)<r)return!0}return!1}function distToSegmentSquared(n,t,e){var r=t.distSqr(e);if(0===r)return n.distSqr(t);var o=((n.x-t.x)*(e.x-t.x)+(n.y-t.y)*(e.y-t.y))/r;return o<0?n.distSqr(t):o>1?n.distSqr(e):n.distSqr(e.sub(t)._mult(o)._add(t))}function multiPolygonContainsPoint(n,t){for(var e,r,o,i=!1,l=0;l<n.length;l++){e=n[l];for(var u=0,s=e.length-1;u<e.length;s=u++)r=e[u],o=e[s],r.y>t.y!=o.y>t.y&&t.x<(o.x-r.x)*(t.y-r.y)/(o.y-r.y)+r.x&&(i=!i)}return i}function polygonContainsPoint(n,t){for(var e=!1,r=0,o=n.length-1;r<n.length;o=r++){var i=n[r],l=n[o];i.y>t.y!=l.y>t.y&&t.x<(l.x-i.x)*(t.y-i.y)/(l.y-i.y)+i.x&&(e=!e)}return e}var isCounterClockwise=require("./util").isCounterClockwise;module.exports={multiPolygonIntersectsBufferedMultiPoint:multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon:multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine:multiPolygonIntersectsBufferedMultiLine,polygonIntersectsPolygon:polygonIntersectsPolygon,distToSegmentSquared:distToSegmentSquared}},{"./util":212}],206:[function(require,module,exports){"use strict";var unicodeBlockLookup={"Latin-1 Supplement":function(n){return n>=128&&n<=255},"Hangul Jamo":function(n){return n>=4352&&n<=4607},"Unified Canadian Aboriginal Syllabics":function(n){return n>=5120&&n<=5759},"Unified Canadian Aboriginal Syllabics Extended":function(n){return n>=6320&&n<=6399},"General Punctuation":function(n){return n>=8192&&n<=8303},"Letterlike Symbols":function(n){return n>=8448&&n<=8527},"Number Forms":function(n){return n>=8528&&n<=8591},"Miscellaneous Technical":function(n){return n>=8960&&n<=9215},"Control Pictures":function(n){return n>=9216&&n<=9279},"Optical Character Recognition":function(n){return n>=9280&&n<=9311},"Enclosed Alphanumerics":function(n){return n>=9312&&n<=9471},"Geometric Shapes":function(n){return n>=9632&&n<=9727},"Miscellaneous Symbols":function(n){return n>=9728&&n<=9983},"Miscellaneous Symbols and Arrows":function(n){return n>=11008&&n<=11263},"CJK Radicals Supplement":function(n){return n>=11904&&n<=12031},"Kangxi Radicals":function(n){return n>=12032&&n<=12255},"Ideographic Description Characters":function(n){return n>=12272&&n<=12287},"CJK Symbols and Punctuation":function(n){return n>=12288&&n<=12351},Hiragana:function(n){return n>=12352&&n<=12447},Katakana:function(n){return n>=12448&&n<=12543},Bopomofo:function(n){return n>=12544&&n<=12591},"Hangul Compatibility Jamo":function(n){return n>=12592&&n<=12687},Kanbun:function(n){return n>=12688&&n<=12703},"Bopomofo Extended":function(n){return n>=12704&&n<=12735},"CJK Strokes":function(n){return n>=12736&&n<=12783},"Katakana Phonetic Extensions":function(n){return n>=12784&&n<=12799},"Enclosed CJK Letters and Months":function(n){return n>=12800&&n<=13055},"CJK Compatibility":function(n){return n>=13056&&n<=13311},"CJK Unified Ideographs Extension A":function(n){return n>=13312&&n<=19903},"Yijing Hexagram Symbols":function(n){return n>=19904&&n<=19967},"CJK Unified Ideographs":function(n){return n>=19968&&n<=40959},"Yi Syllables":function(n){return n>=40960&&n<=42127},"Yi Radicals":function(n){return n>=42128&&n<=42191},"Hangul Jamo Extended-A":function(n){return n>=43360&&n<=43391},"Hangul Syllables":function(n){return n>=44032&&n<=55215},"Hangul Jamo Extended-B":function(n){return n>=55216&&n<=55295},"Private Use Area":function(n){return n>=57344&&n<=63743},"CJK Compatibility Ideographs":function(n){return n>=63744&&n<=64255},"Vertical Forms":function(n){return n>=65040&&n<=65055},"CJK Compatibility Forms":function(n){return n>=65072&&n<=65103},"Small Form Variants":function(n){return n>=65104&&n<=65135},"Halfwidth and Fullwidth Forms":function(n){return n>=65280&&n<=65519}};module.exports=unicodeBlockLookup},{}],207:[function(require,module,exports){"use strict";var LRUCache=function(t,e){this.max=t,this.onRemove=e,this.reset()};LRUCache.prototype.reset=function(){var t=this;for(var e in t.data)t.onRemove(t.data[e]);return this.data={},this.order=[],this},LRUCache.prototype.add=function(t,e){if(this.has(t))this.order.splice(this.order.indexOf(t),1),this.data[t]=e,this.order.push(t);else if(this.data[t]=e,this.order.push(t),this.order.length>this.max){var r=this.get(this.order[0]);r&&this.onRemove(r)}return this},LRUCache.prototype.has=function(t){return t in this.data},LRUCache.prototype.keys=function(){return this.order},LRUCache.prototype.get=function(t){if(!this.has(t))return null;var e=this.data[t];return delete this.data[t],this.order.splice(this.order.indexOf(t),1),e},LRUCache.prototype.getWithoutRemoving=function(t){if(!this.has(t))return null;var e=this.data[t];return e},LRUCache.prototype.remove=function(t){if(!this.has(t))return this;var e=this.data[t];return delete this.data[t],this.onRemove(e),this.order.splice(this.order.indexOf(t),1),this},LRUCache.prototype.setMaxSize=function(t){var e=this;for(this.max=t;this.order.length>this.max;){
var r=e.get(e.order[0]);r&&e.onRemove(r)}return this},module.exports=LRUCache},{}],208:[function(require,module,exports){"use strict";function makeAPIURL(r,e){var t=parseUrl(config.API_URL);if(r.protocol=t.protocol,r.authority=t.authority,!config.REQUIRE_ACCESS_TOKEN)return formatUrl(r);if(e=e||config.ACCESS_TOKEN,!e)throw new Error("An API access token is required to use Mapbox GL. "+help);if("s"===e[0])throw new Error("Use a public access token (pk.*) with Mapbox GL, not a secret access token (sk.*). "+help);return r.params.push("access_token="+e),formatUrl(r)}function isMapboxURL(r){return 0===r.indexOf("mapbox:")}function replaceTempAccessToken(r){for(var e=0;e<r.length;e++)0===r[e].indexOf("access_token=tk.")&&(r[e]="access_token="+(config.ACCESS_TOKEN||""))}function parseUrl(r){var e=r.match(urlRe);if(!e)throw new Error("Unable to parse URL object");return{protocol:e[1],authority:e[2],path:e[3]||"/",params:e[4]?e[4].split("&"):[]}}function formatUrl(r){var e=r.params.length?"?"+r.params.join("&"):"";return r.protocol+"://"+r.authority+r.path+e}var config=require("./config"),browser=require("./browser"),help="See https://www.mapbox.com/api-documentation/#access-tokens";exports.isMapboxURL=isMapboxURL,exports.normalizeStyleURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/styles/v1"+t.path,makeAPIURL(t,e)},exports.normalizeGlyphsURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/fonts/v1"+t.path,makeAPIURL(t,e)},exports.normalizeSourceURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/v4/"+t.authority+".json",t.params.push("secure"),makeAPIURL(t,e)},exports.normalizeSpriteURL=function(r,e,t,o){var a=parseUrl(r);return isMapboxURL(r)?(a.path="/styles/v1"+a.path+"/sprite"+e+t,makeAPIURL(a,o)):(a.path+=""+e+t,formatUrl(a))};var imageExtensionRe=/(\.(png|jpg)\d*)(?=$)/;exports.normalizeTileURL=function(r,e,t){if(!e||!isMapboxURL(e))return r;var o=parseUrl(r),a=browser.devicePixelRatio>=2||512===t?"@2x":"",s=browser.supportsWebp?".webp":"$1";return o.path=o.path.replace(imageExtensionRe,""+a+s),replaceTempAccessToken(o.params),formatUrl(o)};var urlRe=/^(\w+):\/\/([^\/?]+)(\/[^?]+)?\??(.+)?/},{"./browser":192,"./config":196}],209:[function(require,module,exports){"use strict";var isChar=require("./is_char_in_unicode_block");module.exports.allowsIdeographicBreaking=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(!exports.charAllowsIdeographicBreaking(s.charCodeAt(0)))return!1}return!0},module.exports.allowsVerticalWritingMode=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(exports.charHasUprightVerticalOrientation(s.charCodeAt(0)))return!0}return!1},module.exports.charAllowsIdeographicBreaking=function(a){return!(a<11904)&&(!!isChar["Bopomofo Extended"](a)||(!!isChar.Bopomofo(a)||(!!isChar["CJK Compatibility Forms"](a)||(!!isChar["CJK Compatibility Ideographs"](a)||(!!isChar["CJK Compatibility"](a)||(!!isChar["CJK Radicals Supplement"](a)||(!!isChar["CJK Strokes"](a)||(!!isChar["CJK Symbols and Punctuation"](a)||(!!isChar["CJK Unified Ideographs Extension A"](a)||(!!isChar["CJK Unified Ideographs"](a)||(!!isChar["Enclosed CJK Letters and Months"](a)||(!!isChar["Halfwidth and Fullwidth Forms"](a)||(!!isChar.Hiragana(a)||(!!isChar["Ideographic Description Characters"](a)||(!!isChar["Kangxi Radicals"](a)||(!!isChar["Katakana Phonetic Extensions"](a)||(!!isChar.Katakana(a)||(!!isChar["Vertical Forms"](a)||(!!isChar["Yi Radicals"](a)||!!isChar["Yi Syllables"](a))))))))))))))))))))},exports.charHasUprightVerticalOrientation=function(a){return 746===a||747===a||!(a<4352)&&(!!isChar["Bopomofo Extended"](a)||(!!isChar.Bopomofo(a)||(!(!isChar["CJK Compatibility Forms"](a)||a>=65097&&a<=65103)||(!!isChar["CJK Compatibility Ideographs"](a)||(!!isChar["CJK Compatibility"](a)||(!!isChar["CJK Radicals Supplement"](a)||(!!isChar["CJK Strokes"](a)||(!(!isChar["CJK Symbols and Punctuation"](a)||a>=12296&&a<=12305||a>=12308&&a<=12319||12336===a)||(!!isChar["CJK Unified Ideographs Extension A"](a)||(!!isChar["CJK Unified Ideographs"](a)||(!!isChar["Enclosed CJK Letters and Months"](a)||(!!isChar["Hangul Compatibility Jamo"](a)||(!!isChar["Hangul Jamo Extended-A"](a)||(!!isChar["Hangul Jamo Extended-B"](a)||(!!isChar["Hangul Jamo"](a)||(!!isChar["Hangul Syllables"](a)||(!!isChar.Hiragana(a)||(!!isChar["Ideographic Description Characters"](a)||(!!isChar.Kanbun(a)||(!!isChar["Kangxi Radicals"](a)||(!!isChar["Katakana Phonetic Extensions"](a)||(!(!isChar.Katakana(a)||12540===a)||(!(!isChar["Halfwidth and Fullwidth Forms"](a)||65288===a||65289===a||65293===a||a>=65306&&a<=65310||65339===a||65341===a||65343===a||a>=65371&&a<=65503||65507===a||a>=65512&&a<=65519)||(!(!isChar["Small Form Variants"](a)||a>=65112&&a<=65118||a>=65123&&a<=65126)||(!!isChar["Unified Canadian Aboriginal Syllabics"](a)||(!!isChar["Unified Canadian Aboriginal Syllabics Extended"](a)||(!!isChar["Vertical Forms"](a)||(!!isChar["Yijing Hexagram Symbols"](a)||(!!isChar["Yi Syllables"](a)||!!isChar["Yi Radicals"](a))))))))))))))))))))))))))))))},exports.charHasNeutralVerticalOrientation=function(a){return!(!isChar["Latin-1 Supplement"](a)||167!==a&&169!==a&&174!==a&&177!==a&&188!==a&&189!==a&&190!==a&&215!==a&&247!==a)||(!(!isChar["General Punctuation"](a)||8214!==a&&8224!==a&&8225!==a&&8240!==a&&8241!==a&&8251!==a&&8252!==a&&8258!==a&&8263!==a&&8264!==a&&8265!==a&&8273!==a)||(!!isChar["Letterlike Symbols"](a)||(!!isChar["Number Forms"](a)||(!(!isChar["Miscellaneous Technical"](a)||!(a>=8960&&a<=8967||a>=8972&&a<=8991||a>=8996&&a<=9e3||9003===a||a>=9085&&a<=9114||a>=9150&&a<=9165||9167===a||a>=9169&&a<=9179||a>=9186&&a<=9215))||(!(!isChar["Control Pictures"](a)||9251===a)||(!!isChar["Optical Character Recognition"](a)||(!!isChar["Enclosed Alphanumerics"](a)||(!!isChar["Geometric Shapes"](a)||(!(!isChar["Miscellaneous Symbols"](a)||a>=9754&&a<=9759)||(!(!isChar["Miscellaneous Symbols and Arrows"](a)||!(a>=11026&&a<=11055||a>=11088&&a<=11097||a>=11192&&a<=11243))||(!!isChar["CJK Symbols and Punctuation"](a)||(!!isChar.Katakana(a)||(!!isChar["Private Use Area"](a)||(!!isChar["CJK Compatibility Forms"](a)||(!!isChar["Small Form Variants"](a)||(!!isChar["Halfwidth and Fullwidth Forms"](a)||(8734===a||8756===a||8757===a||a>=9984&&a<=10087||a>=10102&&a<=10131||65532===a||65533===a)))))))))))))))))},exports.charHasRotatedVerticalOrientation=function(a){return!(exports.charHasUprightVerticalOrientation(a)||exports.charHasNeutralVerticalOrientation(a))}},{"./is_char_in_unicode_block":206}],210:[function(require,module,exports){"use strict";function createStructArrayType(t){var e=JSON.stringify(t);if(structArrayTypeCache[e])return structArrayTypeCache[e];var r=void 0===t.alignment?1:t.alignment,i=0,n=0,a=["Uint8"],o=t.members.map(function(t){a.indexOf(t.type)<0&&a.push(t.type);var e=sizeOf(t.type),o=i=align(i,Math.max(r,e)),s=t.components||1;return n=Math.max(n,e),i+=e*s,{name:t.name,type:t.type,components:s,offset:o}}),s=align(i,Math.max(n,r)),p=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(Struct);p.prototype.alignment=r,p.prototype.size=s;for(var y=0,c=o;y<c.length;y+=1)for(var h=c[y],u=0;u<h.components;u++){var f=h.name+(1===h.components?"":u);Object.defineProperty(p.prototype,f,{get:createGetter(h,u),set:createSetter(h,u)})}var m=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(StructArray);return m.prototype.members=o,m.prototype.StructType=p,m.prototype.bytesPerElement=s,m.prototype.emplaceBack=createEmplaceBack(o,s),m.prototype._usedTypes=a,structArrayTypeCache[e]=m,m}function align(t,e){return Math.ceil(t/e)*e}function sizeOf(t){return viewTypes[t].BYTES_PER_ELEMENT}function getArrayViewName(t){return t.toLowerCase()}function createEmplaceBack(t,e){for(var r=[],i=[],n="var i = this.length;\nthis.resize(this.length + 1);\n",a=0,o=t;a<o.length;a+=1){var s=o[a],p=sizeOf(s.type);r.indexOf(p)<0&&(r.push(p),n+="var o"+p.toFixed(0)+" = i * "+(e/p).toFixed(0)+";\n");for(var y=0;y<s.components;y++){var c="v"+i.length,h="o"+p.toFixed(0)+" + "+(s.offset/p+y).toFixed(0);n+="this."+getArrayViewName(s.type)+"["+h+"] = "+c+";\n",i.push(c)}}return n+="return i;",new Function(i.toString(),n)}function createMemberComponentString(t,e){var r="this._pos"+sizeOf(t.type).toFixed(0),i=(t.offset/sizeOf(t.type)+e).toFixed(0),n=r+" + "+i;return"this._structArray."+getArrayViewName(t.type)+"["+n+"]"}function createGetter(t,e){return new Function("return "+createMemberComponentString(t,e)+";")}function createSetter(t,e){return new Function("x",createMemberComponentString(t,e)+" = x;")}module.exports=createStructArrayType;var viewTypes={Int8:Int8Array,Uint8:Uint8Array,Uint8Clamped:Uint8ClampedArray,Int16:Int16Array,Uint16:Uint16Array,Int32:Int32Array,Uint32:Uint32Array,Float32:Float32Array,Float64:Float64Array},Struct=function(t,e){this._structArray=t,this._pos1=e*this.size,this._pos2=this._pos1/2,this._pos4=this._pos1/4,this._pos8=this._pos1/8},DEFAULT_CAPACITY=128,RESIZE_MULTIPLIER=5,StructArray=function(t){this.isTransferred=!1,void 0!==t?(this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.capacity=this.arrayBuffer.byteLength/this.bytesPerElement,this._refreshViews()):(this.capacity=-1,this.resize(0))};StructArray.serialize=function(){return{members:this.prototype.members,alignment:this.prototype.StructType.prototype.alignment,bytesPerElement:this.prototype.bytesPerElement}},StructArray.prototype.serialize=function(t){return this._trim(),t&&(this.isTransferred=!0,t.push(this.arrayBuffer)),{length:this.length,arrayBuffer:this.arrayBuffer}},StructArray.prototype.get=function(t){return new this.StructType(this,t)},StructArray.prototype._trim=function(){this.length!==this.capacity&&(this.capacity=this.length,this.arrayBuffer=this.arrayBuffer.slice(0,this.length*this.bytesPerElement),this._refreshViews())},StructArray.prototype.resize=function(t){if(this.length=t,t>this.capacity){this.capacity=Math.max(t,Math.floor(this.capacity*RESIZE_MULTIPLIER),DEFAULT_CAPACITY),this.arrayBuffer=new ArrayBuffer(this.capacity*this.bytesPerElement);var e=this.uint8;this._refreshViews(),e&&this.uint8.set(e)}},StructArray.prototype._refreshViews=function(){for(var t=this,e=0,r=t._usedTypes;e<r.length;e+=1){var i=r[e];t[getArrayViewName(i)]=new viewTypes[i](t.arrayBuffer)}},StructArray.prototype.toArray=function(t,e){for(var r=this,i=[],n=t;n<e;n++){var a=r.get(n);i.push(a)}return i};var structArrayTypeCache={}},{}],211:[function(require,module,exports){"use strict";function resolveTokens(e,n){return n.replace(/{([^{}]+)}/g,function(n,r){return r in e?e[r]:""})}module.exports=resolveTokens},{}],212:[function(require,module,exports){"use strict";var UnitBezier=require("@mapbox/unitbezier"),Coordinate=require("../geo/coordinate"),Point=require("point-geometry");exports.easeCubicInOut=function(r){if(r<=0)return 0;if(r>=1)return 1;var e=r*r,t=e*r;return 4*(r<.5?t:3*(r-e)+t-.75)},exports.bezier=function(r,e,t,n){var o=new UnitBezier(r,e,t,n);return function(r){return o.solve(r)}},exports.ease=exports.bezier(.25,.1,.25,1),exports.clamp=function(r,e,t){return Math.min(t,Math.max(e,r))},exports.wrap=function(r,e,t){var n=t-e,o=((r-e)%n+n)%n+e;return o===e?t:o},exports.asyncAll=function(r,e,t){if(!r.length)return t(null,[]);var n=r.length,o=new Array(r.length),a=null;r.forEach(function(r,i){e(r,function(r,e){r&&(a=r),o[i]=e,0===--n&&t(a,o)})})},exports.values=function(r){var e=[];for(var t in r)e.push(r[t]);return e},exports.keysDifference=function(r,e){var t=[];for(var n in r)n in e||t.push(n);return t},exports.extend=function(r,e,t,n){for(var o=arguments,a=1;a<arguments.length;a++){var i=o[a];for(var u in i)r[u]=i[u]}return r},exports.pick=function(r,e){for(var t={},n=0;n<e.length;n++){var o=e[n];o in r&&(t[o]=r[o])}return t};var id=1;exports.uniqueId=function(){return id++},exports.bindAll=function(r,e){r.forEach(function(r){e[r]&&(e[r]=e[r].bind(e))})},exports.getCoordinatesCenter=function(r){for(var e=1/0,t=1/0,n=-(1/0),o=-(1/0),a=0;a<r.length;a++)e=Math.min(e,r[a].column),t=Math.min(t,r[a].row),n=Math.max(n,r[a].column),o=Math.max(o,r[a].row);var i=n-e,u=o-t,s=Math.max(i,u);return new Coordinate((e+n)/2,(t+o)/2,0).zoomTo(Math.floor(-Math.log(s)/Math.LN2))},exports.endsWith=function(r,e){return r.indexOf(e,r.length-e.length)!==-1},exports.mapObject=function(r,e,t){var n=this,o={};for(var a in r)o[a]=e.call(t||n,r[a],a,r);return o},exports.filterObject=function(r,e,t){var n=this,o={};for(var a in r)e.call(t||n,r[a],a,r)&&(o[a]=r[a]);return o},exports.deepEqual=function(r,e){if(Array.isArray(r)){if(!Array.isArray(e)||r.length!==e.length)return!1;for(var t=0;t<r.length;t++)if(!exports.deepEqual(r[t],e[t]))return!1;return!0}if("object"==typeof r&&null!==r&&null!==e){if("object"!=typeof e)return!1;var n=Object.keys(r);if(n.length!==Object.keys(e).length)return!1;for(var o in r)if(!exports.deepEqual(r[o],e[o]))return!1;return!0}return r===e},exports.clone=function(r){return Array.isArray(r)?r.map(exports.clone):"object"==typeof r&&r?exports.mapObject(r,exports.clone):r},exports.arraysIntersect=function(r,e){for(var t=0;t<r.length;t++)if(e.indexOf(r[t])>=0)return!0;return!1};var warnOnceHistory={};exports.warnOnce=function(r){warnOnceHistory[r]||("undefined"!=typeof console&&console.warn(r),warnOnceHistory[r]=!0)},exports.isCounterClockwise=function(r,e,t){return(t.y-r.y)*(e.x-r.x)>(e.y-r.y)*(t.x-r.x)},exports.calculateSignedArea=function(r){for(var e=0,t=0,n=r.length,o=n-1,a=void 0,i=void 0;t<n;o=t++)a=r[t],i=r[o],e+=(i.x-a.x)*(a.y+i.y);return e},exports.isClosedPolygon=function(r){if(r.length<4)return!1;var e=r[0],t=r[r.length-1];return!(Math.abs(e.x-t.x)>0||Math.abs(e.y-t.y)>0)&&Math.abs(exports.calculateSignedArea(r))>.01},exports.sphericalToCartesian=function(r){var e=r[0],t=r[1],n=r[2];return t+=90,t*=Math.PI/180,n*=Math.PI/180,[e*Math.cos(t)*Math.sin(n),e*Math.sin(t)*Math.sin(n),e*Math.cos(n)]},exports.parseCacheControl=function(r){var e=/(?:^|(?:\s*\,\s*))([^\x00-\x20\(\)<>@\,;\:\\"\/\[\]\?\=\{\}\x7F]+)(?:\=(?:([^\x00-\x20\(\)<>@\,;\:\\"\/\[\]\?\=\{\}\x7F]+)|(?:\"((?:[^"\\]|\\.)*)\")))?/g,t={};if(r.replace(e,function(r,e,n,o){var a=n||o;return t[e]=!a||a.toLowerCase(),""}),t["max-age"]){var n=parseInt(t["max-age"],10);isNaN(n)?delete t["max-age"]:t["max-age"]=n}return t}},{"../geo/coordinate":61,"@mapbox/unitbezier":3,"point-geometry":26}],213:[function(require,module,exports){"use strict";var Feature=function(e,t,r,o){this.type="Feature",this._vectorTileFeature=e,e._z=t,e._x=r,e._y=o,this.properties=e.properties,null!=e.id&&(this.id=e.id)},prototypeAccessors={geometry:{}};prototypeAccessors.geometry.get=function(){return void 0===this._geometry&&(this._geometry=this._vectorTileFeature.toGeoJSON(this._vectorTileFeature._x,this._vectorTileFeature._y,this._vectorTileFeature._z).geometry),this._geometry},prototypeAccessors.geometry.set=function(e){this._geometry=e},Feature.prototype.toJSON=function(){var e=this,t={geometry:this.geometry};for(var r in e)"_geometry"!==r&&"_vectorTileFeature"!==r&&(t[r]=e[r]);return t},Object.defineProperties(Feature.prototype,prototypeAccessors),module.exports=Feature},{}],214:[function(require,module,exports){"use strict";var scriptDetection=require("./script_detection");module.exports=function(t){for(var o="",e=0;e<t.length;e++){var r=t.charCodeAt(e+1)||null,l=t.charCodeAt(e-1)||null,i=(!r||!scriptDetection.charHasRotatedVerticalOrientation(r)||module.exports.lookup[t[e+1]])&&(!l||!scriptDetection.charHasRotatedVerticalOrientation(l)||module.exports.lookup[t[e-1]]);o+=i&&module.exports.lookup[t[e]]?module.exports.lookup[t[e]]:t[e]}return o},module.exports.lookup={"!":"︕","#":"＃",$:"＄","%":"％","&":"＆","(":"︵",")":"︶","*":"＊","+":"＋",",":"︐","-":"︲",".":"・","/":"／",":":"︓",";":"︔","<":"︿","=":"＝",">":"﹀","?":"︖","@":"＠","[":"﹇","\\":"＼","]":"﹈","^":"＾",_:"︳","`":"｀","{":"︷","|":"―","}":"︸","~":"～","¢":"￠","£":"￡","¥":"￥","¦":"￤","¬":"￢","¯":"￣","–":"︲","—":"︱","‘":"﹃","’":"﹄","“":"﹁","”":"﹂","…":"︙","‧":"・","₩":"￦","、":"︑","。":"︒","〈":"︿","〉":"﹀","《":"︽","》":"︾","「":"﹁","」":"﹂","『":"﹃","』":"﹄","【":"︻","】":"︼","〔":"︹","〕":"︺","〖":"︗","〗":"︘","！":"︕","（":"︵","）":"︶","，":"︐","－":"︲","．":"・","：":"︓","；":"︔","＜":"︿","＞":"﹀","？":"︖","［":"﹇","］":"﹈","＿":"︳","｛":"︷","｜":"―","｝":"︸","｟":"︵","｠":"︶","｡":"︒","｢":"﹁","｣":"﹂"}},{"./script_detection":209}],215:[function(require,module,exports){"use strict";var WebWorker=require("./web_worker"),WorkerPool=function(){this.active={}};WorkerPool.prototype.acquire=function(r){var e=this;if(!this.workers){var o=require("../").workerCount;for(this.workers=[];this.workers.length<o;)e.workers.push(new WebWorker)}return this.active[r]=!0,this.workers.slice()},WorkerPool.prototype.release=function(r){delete this.active[r],0===Object.keys(this.active).length&&(this.workers.forEach(function(r){r.terminate()}),this.workers=null)},module.exports=WorkerPool},{"../":65,"./web_worker":193}]},{},[65])(65)})}).call(exports,__webpack_require__(0),__webpack_require__(6).Buffer)},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=enableLocateButton;var _newnoteGetlocation=__webpack_require__(13);var _newnoteGetlocation2=_interopRequireDefault(_newnoteGetlocation);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function enableLocateButton(button){if("geolocation"in navigator){if(button.addEventListener){button.disabled=false;button.addEventListener("click",_newnoteGetlocation2.default)}}}},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=persistFormData;var _webStorage=__webpack_require__(16);var _webStorage2=_interopRequireDefault(_webStorage);var _alertify=__webpack_require__(3);var _alertify2=_interopRequireDefault(_alertify);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}var loadData=function loadData(){var replyTo=document.querySelector("#in-reply-to");replyTo.value=_webStorage2.default.getItem("replyTo");var content=document.querySelector("#content");content.value=_webStorage2.default.getItem("content")};var saveData=function saveData(){var replyTo=document.querySelector("#in-reply-to");var content=document.querySelector("#content");_webStorage2.default.setItem("replyTo",replyTo.value);_webStorage2.default.setItem("content",content.value);_alertify2.default.success("Auto-saved data")};var clearData=function clearData(){_webStorage2.default.removeItem("replyTo");_webStorage2.default.removeItem("content")};function persistFormData(){var form=document.querySelector('form[name="micropub"]');form.addEventListener("change",saveData);form.addEventListener("submit",clearData);loadData()}},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=addMapWithPlaces;var _alertify=__webpack_require__(3);var _alertify2=_interopRequireDefault(_alertify);var _mapboxUtils=__webpack_require__(2);var _mapboxUtils2=_interopRequireDefault(_mapboxUtils);var _parseLocation=__webpack_require__(1);var _parseLocation2=_interopRequireDefault(_parseLocation);var _newplaceMicropub=__webpack_require__(14);var _newplaceMicropub2=_interopRequireDefault(_newplaceMicropub);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}var makeOptionsForForm=function makeOptionsForForm(map,position){var places=arguments.length>2&&arguments[2]!==undefined?arguments[2]:null;var selectElement=document.createElement("select");selectElement.setAttribute("name","location");var noLocationOption=document.createElement("option");noLocationOption.setAttribute("selected","selected");noLocationOption.setAttribute("value","no-location");noLocationOption.appendChild(document.createTextNode("Don’t send location"));selectElement.appendChild(noLocationOption);var geoLocationOption=document.createElement("option");geoLocationOption.setAttribute("id","option-coords");geoLocationOption.setAttribute("value","geo:"+position.coords.latitude+","+position.coords.longitude);geoLocationOption.dataset.latitude=position.coords.latitude;geoLocationOption.dataset.longitude=position.coords.longitude;geoLocationOption.appendChild(document.createTextNode("Send co-ordinates"));selectElement.appendChild(geoLocationOption);if(places!=null){var _iteratorNormalCompletion=true;var _didIteratorError=false;var _iteratorError=undefined;try{for(var _iterator=places[Symbol.iterator](),_step;!(_iteratorNormalCompletion=(_step=_iterator.next()).done);_iteratorNormalCompletion=true){var place=_step.value;var parsedCoords=(0,_parseLocation2.default)(place.location);var option=document.createElement("option");option.setAttribute("value",place.slug);option.dataset.latitude=parsedCoords.latitude;option.dataset.longitude=parsedCoords.longitude;option.appendChild(document.createTextNode(place.name));selectElement.appendChild(option)}}catch(err){_didIteratorError=true;_iteratorError=err}finally{try{if(!_iteratorNormalCompletion&&_iterator.return){_iterator.return()}}finally{if(_didIteratorError){throw _iteratorError}}}}selectElement.addEventListener("change",function(){if(selectElement.value!=="no-location"){var optionLatitude=selectElement[selectElement.selectedIndex].dataset.latitude;var optionLongitude=selectElement[selectElement.selectedIndex].dataset.longitude;map.flyTo({center:[optionLongitude,optionLatitude]})}});return selectElement};function addMapWithPlaces(div,position){fetch("/micropub/places?latitude="+position.coords.latitude+"&longitude="+position.coords.longitude+"&u="+position.coords.accuracy,{credentials:"same-origin",method:"get"}).then(function(response){if(response.ok){return response.json()}else{_alertify2.default.reset();_alertify2.default.error("Non OK response")}}).then(function(json){if(json.error==true){_alertify2.default.reset();_alertify2.default.error(json.error_description)}var places=null;if(json.places.length>0){places=json.places}var map=(0,_mapboxUtils2.default)(div,position,places);var flexboxDiv=document.createElement("div");var options=makeOptionsForForm(map,position,places);flexboxDiv.appendChild(options);var newPlaceForm=(0,_newplaceMicropub2.default)(map);flexboxDiv.appendChild(newPlaceForm);var form=document.querySelector("fieldset");form.insertBefore(flexboxDiv,document.querySelector(".map"))}).catch(function(error){console.error(error)})}},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=getLocation;var _nearbyPlaces=__webpack_require__(12);var _nearbyPlaces2=_interopRequireDefault(_nearbyPlaces);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function getLocation(){var container=document.querySelector("fieldset");var mapDiv=document.createElement("div");mapDiv.classList.add("map");container.appendChild(mapDiv);navigator.geolocation.getCurrentPosition(function(position){mapDiv.dataset.latitude=position.coords.latitude;mapDiv.dataset.longitude=position.coords.longitude;mapDiv.dataset.accuracy=position.coords.accuracy;(0,_nearbyPlaces2.default)(mapDiv,position)})}},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=makeNewPlaceForm;var _submitPlace=__webpack_require__(15);var _submitPlace2=_interopRequireDefault(_submitPlace);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function makeNewPlaceForm(map){var newLocationButton=document.createElement("button");newLocationButton.setAttribute("type","button");newLocationButton.setAttribute("id","create-new-place");newLocationButton.appendChild(document.createTextNode("Create New Place?"));newLocationButton.addEventListener("click",function(){var newPlaceNameDiv=document.createElement("div");var newPlaceNameLabel=document.createElement("label");newPlaceNameLabel.setAttribute("for","place-name");newPlaceNameLabel.classList.add("place-label");newPlaceNameLabel.appendChild(document.createTextNode("Name:"));var newPlaceNameInput=document.createElement("input");newPlaceNameInput.setAttribute("placeholder","Name");newPlaceNameInput.setAttribute("name","place-name");newPlaceNameInput.setAttribute("id","place-name");newPlaceNameInput.setAttribute("type","text");newPlaceNameDiv.appendChild(newPlaceNameLabel);newPlaceNameDiv.appendChild(newPlaceNameInput);var newPlaceDescDiv=document.createElement("div");var newPlaceDescLabel=document.createElement("label");newPlaceDescLabel.setAttribute("for","place-description");newPlaceDescLabel.classList.add("place-label");newPlaceDescLabel.appendChild(document.createTextNode("Description:"));var newPlaceDescInput=document.createElement("input");newPlaceDescInput.setAttribute("placeholder","Description");newPlaceDescInput.setAttribute("name","place-description");newPlaceDescInput.setAttribute("id","place-description");newPlaceDescInput.setAttribute("type","text");newPlaceDescDiv.appendChild(newPlaceDescLabel);newPlaceDescDiv.appendChild(newPlaceDescInput);var newPlaceLatitudeDiv=document.createElement("div");var newPlaceLatitudeLabel=document.createElement("label");newPlaceLatitudeLabel.setAttribute("for","place-latitude");newPlaceLatitudeLabel.classList.add("place-label");newPlaceLatitudeLabel.appendChild(document.createTextNode("Latitude:"));var newPlaceLatitudeInput=document.createElement("input");newPlaceLatitudeInput.setAttribute("name","place-latitude");newPlaceLatitudeInput.setAttribute("id","place-latitude");newPlaceLatitudeInput.setAttribute("type","text");newPlaceLatitudeInput.value=map.getCenter().lat;newPlaceLatitudeDiv.appendChild(newPlaceLatitudeLabel);newPlaceLatitudeDiv.appendChild(newPlaceLatitudeInput);var newPlaceLongitudeDiv=document.createElement("div");var newPlaceLongitudeLabel=document.createElement("label");newPlaceLongitudeLabel.setAttribute("for","place-longitude");newPlaceLongitudeLabel.classList.add("place-label");newPlaceLongitudeLabel.appendChild(document.createTextNode("Longitude:"));var newPlaceLongitudeInput=document.createElement("input");newPlaceLongitudeInput.setAttribute("name","place-longitude");newPlaceLongitudeInput.setAttribute("id","place-longitude");newPlaceLongitudeInput.setAttribute("type","text");newPlaceLongitudeInput.value=map.getCenter().lng;newPlaceLongitudeDiv.appendChild(newPlaceLongitudeLabel);newPlaceLongitudeDiv.appendChild(newPlaceLongitudeInput);var newPlaceSubmit=document.createElement("button");newPlaceSubmit.setAttribute("id","place-submit");newPlaceSubmit.setAttribute("name","place-submit");newPlaceSubmit.setAttribute("type","button");newPlaceSubmit.appendChild(document.createTextNode("Submit New Place"));newPlaceSubmit.addEventListener("click",function(){(0,_submitPlace2.default)(map)});var form=document.querySelector("fieldset");form.appendChild(newPlaceNameDiv);form.appendChild(newPlaceDescDiv);form.appendChild(newPlaceLatitudeDiv);form.appendChild(newPlaceLongitudeDiv);form.appendChild(newPlaceSubmit)});return newLocationButton}},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:true});exports.default=submitNewPlace;var _alertify=__webpack_require__(3);var _alertify2=_interopRequireDefault(_alertify);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function submitNewPlace(map){var formData=new FormData;formData.append("place-name",document.querySelector("#place-name").value);formData.append("place-description",document.querySelector("#place-description").value);formData.append("place-latitude",document.querySelector("#place-latitude").value);formData.append("place-longitude",document.querySelector("#place-longitude").value);fetch("/places/new",{credentials:"same-origin",method:"post",body:formData}).then(function(response){return response.json()}).then(function(placeJson){if(placeJson.error===true){throw new Error(placeJson.error_description)}var form=document.querySelector("fieldset");var labels=document.querySelectorAll(".place-label");var _iteratorNormalCompletion=true;var _didIteratorError=false;var _iteratorError=undefined;try{for(var _iterator=labels[Symbol.iterator](),_step;!(_iteratorNormalCompletion=(_step=_iterator.next()).done);_iteratorNormalCompletion=true){var label=_step.value;form.removeChild(label.parentNode)}}catch(err){_didIteratorError=true;_iteratorError=err}finally{try{if(!_iteratorNormalCompletion&&_iterator.return){_iterator.return()}}finally{if(_didIteratorError){throw _iteratorError}}}form.removeChild(document.querySelector("#place-submit"));var newPlaceButton=document.querySelector("#create-new-place");newPlaceButton.parentNode.removeChild(newPlaceButton);var source=map.getSource("points");var newFeatures=source._data.features.filter(function(item){return item.properties.title!="Current Location"});newFeatures.push({type:"Feature",geometry:{type:"Point",coordinates:[placeJson.longitude,placeJson.latitude]},properties:{title:placeJson.name,icon:"circle",uri:placeJson.uri}});var newSource={type:"FeatureCollection",features:newFeatures};map.getSource("points").setData(newSource);var selectElement=document.querySelector("select");var newlyCreatedPlaceOption=document.createElement("option");newlyCreatedPlaceOption.setAttribute("value",placeJson.uri);newlyCreatedPlaceOption.appendChild(document.createTextNode(placeJson.name));newlyCreatedPlaceOption.dataset.latitude=placeJson.latitude;newlyCreatedPlaceOption.dataset.longitude=placeJson.longitude;selectElement.appendChild(newlyCreatedPlaceOption);document.querySelector('select [value="'+placeJson.uri+'"]').selected=true}).catch(function(placeError){_alertify2.default.reset();_alertify2.default.error(placeError)})}},function(module,exports,__webpack_require__){(function 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