leaflet.vectorgrid/dist/Leaflet.VectorGrid.min.js

Display gridded vector data (sliced GeoJSON or protobuf vector tiles) in Leaflet 1.0

"use strict";function __$strToBlobUri(t,e,i){try{return window.URL.createObjectURL(new Blob([Uint8Array.from(t.split("").map(function(t){return t.charCodeAt(0)}))],{type:e}))}catch(r){return"data:"+e+(i?";base64,":",")+t}}function Pbf(t){this.buf=ArrayBuffer.isView&&ArrayBuffer.isView(t)?t:new Uint8Array(t||0),this.pos=0,this.type=0,this.length=this.buf.length}function readVarintRemainder(t,e,i){var r,n,o=i.buf;if(n=o[i.pos++],r=(112&n)>>4,n<128)return toNum(t,r,e);if(n=o[i.pos++],r|=(127&n)<<3,n<128)return toNum(t,r,e);if(n=o[i.pos++],r|=(127&n)<<10,n<128)return toNum(t,r,e);if(n=o[i.pos++],r|=(127&n)<<17,n<128)return toNum(t,r,e);if(n=o[i.pos++],r|=(127&n)<<24,n<128)return toNum(t,r,e);if(n=o[i.pos++],r|=(1&n)<<31,n<128)return toNum(t,r,e);throw new Error("Expected varint not more than 10 bytes")}function readPackedEnd(t){return t.type===Pbf.Bytes?t.readVarint()+t.pos:t.pos+1}function toNum(t,e,i){return i?4294967296*e+(t>>>0):4294967296*(e>>>0)+(t>>>0)}function writeBigVarint(t,e){var i,r;if(t>=0?(i=t%4294967296|0,r=t/4294967296|0):(i=~(-t%4294967296),r=~(-t/4294967296),4294967295^i?i=i+1|0:(i=0,r=r+1|0)),t>=0x10000000000000000||t<-0x10000000000000000)throw new Error("Given varint doesn't fit into 10 bytes");e.realloc(10),writeBigVarintLow(i,r,e),writeBigVarintHigh(r,e)}function writeBigVarintLow(t,e,i){i.buf[i.pos++]=127&t|128,t>>>=7,i.buf[i.pos++]=127&t|128,t>>>=7,i.buf[i.pos++]=127&t|128,t>>>=7,i.buf[i.pos++]=127&t|128,t>>>=7,i.buf[i.pos]=127&t}function writeBigVarintHigh(t,e){var i=(7&t)<<4;e.buf[e.pos++]|=i|((t>>>=3)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t|((t>>>=7)?128:0),t&&(e.buf[e.pos++]=127&t)))))}function makeRoomForExtraLength(t,e,i){var r=e<=16383?1:e<=2097151?2:e<=268435455?3:Math.ceil(Math.log(e)/(7*Math.LN2));i.realloc(r);for(var n=i.pos-1;n>=t;n--)i.buf[n+r]=i.buf[n]}function writePackedVarint(t,e){for(var i=0;i<t.length;i++)e.writeVarint(t[i])}function writePackedSVarint(t,e){for(var i=0;i<t.length;i++)e.writeSVarint(t[i])}function writePackedFloat(t,e){for(var i=0;i<t.length;i++)e.writeFloat(t[i])}function writePackedDouble(t,e){for(var i=0;i<t.length;i++)e.writeDouble(t[i])}function writePackedBoolean(t,e){for(var i=0;i<t.length;i++)e.writeBoolean(t[i])}function writePackedFixed32(t,e){for(var i=0;i<t.length;i++)e.writeFixed32(t[i])}function writePackedSFixed32(t,e){for(var i=0;i<t.length;i++)e.writeSFixed32(t[i])}function writePackedFixed64(t,e){for(var i=0;i<t.length;i++)e.writeFixed64(t[i])}function writePackedSFixed64(t,e){for(var i=0;i<t.length;i++)e.writeSFixed64(t[i])}function readUInt32(t,e){return(t[e]|t[e+1]<<8|t[e+2]<<16)+16777216*t[e+3]}function writeInt32(t,e,i){t[i]=e,t[i+1]=e>>>8,t[i+2]=e>>>16,t[i+3]=e>>>24}function readInt32(t,e){return(t[e]|t[e+1]<<8|t[e+2]<<16)+(t[e+3]<<24)}function readUtf8(t,e,i){for(var r="",n=e;n<i;){var o=t[n],s=null,a=o>239?4:o>223?3:o>191?2:1;if(n+a>i)break;var u,l,h;1===a?o<128&&(s=o):2===a?128==(192&(u=t[n+1]))&&(s=(31&o)<<6|63&u)<=127&&(s=null):3===a?(u=t[n+1],l=t[n+2],128==(192&u)&&128==(192&l)&&((s=(15&o)<<12|(63&u)<<6|63&l)<=2047||s>=55296&&s<=57343)&&(s=null)):4===a&&(u=t[n+1],l=t[n+2],h=t[n+3],128==(192&u)&&128==(192&l)&&128==(192&h)&&((s=(15&o)<<18|(63&u)<<12|(63&l)<<6|63&h)<=65535||s>=1114112)&&(s=null)),null===s?(s=65533,a=1):s>65535&&(s-=65536,r+=String.fromCharCode(s>>>10&1023|55296),s=56320|1023&s),r+=String.fromCharCode(s),n+=a}return r}function writeUtf8(t,e,i){for(var r,n,o=0;o<e.length;o++){if((r=e.charCodeAt(o))>55295&&r<57344){if(!n){r>56319||o+1===e.length?(t[i++]=239,t[i++]=191,t[i++]=189):n=r;continue}if(r<56320){t[i++]=239,t[i++]=191,t[i++]=189,n=r;continue}r=n-55296<<10|r-56320|65536,n=null}else n&&(t[i++]=239,t[i++]=191,t[i++]=189,n=null);r<128?t[i++]=r:(r<2048?t[i++]=r>>6|192:(r<65536?t[i++]=r>>12|224:(t[i++]=r>>18|240,t[i++]=r>>12&63|128),t[i++]=r>>6&63|128),t[i++]=63&r|128)}return i}function Point$1(t,e){this.x=t,this.y=e}function VectorTileFeature$2(t,e,i,r,n){this.properties={},this.extent=i,this.type=0,this._pbf=t,this._geometry=-1,this._keys=r,this._values=n,t.readFields(readFeature,this,e)}function readFeature(t,e,i){1==t?e.id=i.readVarint():2==t?readTag(i,e):3==t?e.type=i.readVarint():4==t&&(e._geometry=i.pos)}function readTag(t,e){for(var i=t.readVarint()+t.pos;t.pos<i;){var r=e._keys[t.readVarint()],n=e._values[t.readVarint()];e.properties[r]=n}}function classifyRings(t){var e=t.length;if(e<=1)return[t];for(var i,r,n=[],o=0;o<e;o++){var s=signedArea(t[o]);0!==s&&(void 0===r&&(r=s<0),r===s<0?(i&&n.push(i),i=[t[o]]):i.push(t[o]))}return i&&n.push(i),n}function signedArea(t){for(var e,i,r=0,n=0,o=t.length,s=o-1;n<o;s=n++)e=t[n],i=t[s],r+=(i.x-e.x)*(e.y+i.y);return r}function VectorTileLayer$2(t,e){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=t,this._keys=[],this._values=[],this._features=[],t.readFields(readLayer,this,e),this.length=this._features.length}function readLayer(t,e,i){15===t?e.version=i.readVarint():1===t?e.name=i.readString():5===t?e.extent=i.readVarint():2===t?e._features.push(i.pos):3===t?e._keys.push(i.readString()):4===t&&e._values.push(readValueMessage(i))}function readValueMessage(t){for(var e=null,i=t.readVarint()+t.pos;t.pos<i;){var r=t.readVarint()>>3;e=1===r?t.readString():2===r?t.readFloat():3===r?t.readDouble():4===r?t.readVarint64():5===r?t.readVarint():6===r?t.readSVarint():7===r?t.readBoolean():null}return e}function VectorTile$1(t,e){this.layers=t.readFields(readTile,{},e)}function readTile(t,e,i){if(3===t){var r=new VectorTileLayer$1(i,i.readVarint()+i.pos);r.length&&(e[r.name]=r)}}L.SVG.Tile=L.SVG.extend({initialize:function(t,e,i){L.SVG.prototype.initialize.call(this,i),this._tileCoord=t,this._size=e,this._initContainer(),this._container.setAttribute("width",this._size.x),this._container.setAttribute("height",this._size.y),this._container.setAttribute("viewBox",[0,0,this._size.x,this._size.y].join(" ")),this._layers={}},getCoord:function(){return this._tileCoord},getContainer:function(){return this._container},onAdd:L.Util.falseFn,addTo:function(t){if(this._map=t,this.options.interactive)for(var e in this._layers){var i=this._layers[e];i._path.style.pointerEvents="auto",this._map._targets[L.stamp(i._path)]=i}},removeFrom:function(t){if(this.options.interactive)for(var e in this._layers){var i=this._layers[e];delete this._map._targets[L.stamp(i._path)]}delete this._map},_initContainer:function(){L.SVG.prototype._initContainer.call(this);L.SVG.create("rect")},_addPath:function(t){this._rootGroup.appendChild(t._path),this._layers[L.stamp(t)]=t},_updateIcon:function(t){var e=t._path=L.SVG.create("image"),i=t.options.icon,r=i.options,n=L.point(r.iconSize),o=r.iconAnchor||n&&n.divideBy(2,!0),s=t._point.subtract(o);e.setAttribute("x",s.x),e.setAttribute("y",s.y),e.setAttribute("width",n.x+"px"),e.setAttribute("height",n.y+"px"),e.setAttribute("href",r.iconUrl)}}),L.svg.tile=function(t,e,i){return new L.SVG.Tile(t,e,i)};var Symbolizer=L.Class.extend({render:function(t,e){this._renderer=t,this.options=e,t._initPath(this),t._updateStyle(this)},updateStyle:function(t,e){this.options=e,t._updateStyle(this)},_getPixelBounds:function(){for(var t=this._parts,e=L.bounds([]),i=0;i<t.length;i++)for(var r=t[i],n=0;n<r.length;n++)e.extend(r[n]);var o=this._clickTolerance(),s=new L.Point(o,o);return e.min._subtract(s),e.max._add(s),e},_clickTolerance:L.Path.prototype._clickTolerance}),PolyBase={_makeFeatureParts:function(t,e){var i,r=t.geometry;this._parts=[];for(var n=0;n<r.length;n++){for(var o=r[n],s=[],a=0;a<o.length;a++)i=o[a],s.push(L.point(i).scaleBy(e));this._parts.push(s)}},makeInteractive:function(){this._pxBounds=this._getPixelBounds()}},PointSymbolizer=L.CircleMarker.extend({includes:Symbolizer.prototype,statics:{iconCache:{}},initialize:function(t,e){this.properties=t.properties,this._makeFeatureParts(t,e)},render:function(t,e){Symbolizer.prototype.render.call(this,t,e),this._radius=e.radius||L.CircleMarker.prototype.options.radius,this._updatePath()},_makeFeatureParts:function(t,e){var i=t.geometry[0];"object"==typeof i[0]&&"x"in i[0]?(this._point=L.point(i[0]).scaleBy(e),this._empty=L.Util.falseFn):(this._point=L.point(i).scaleBy(e),this._empty=L.Util.falseFn)},makeInteractive:function(){this._updateBounds()},updateStyle:function(t,e){return this._radius=e.radius||this._radius,this._updateBounds(),Symbolizer.prototype.updateStyle.call(this,t,e)},_updateBounds:function(){var t=this.options.icon;if(t){var e=L.point(t.options.iconSize),i=t.options.iconAnchor||e&&e.divideBy(2,!0),r=this._point.subtract(i);this._pxBounds=new L.Bounds(r,r.add(t.options.iconSize))}else L.CircleMarker.prototype._updateBounds.call(this)},_updatePath:function(){this.options.icon?this._renderer._updateIcon(this):L.CircleMarker.prototype._updatePath.call(this)},_getImage:function(){if(this.options.icon){var t=this.options.icon.options.iconUrl,e=PointSymbolizer.iconCache[t];if(!e){var i=this.options.icon;e=PointSymbolizer.iconCache[t]=i.createIcon()}return e}return null},_containsPoint:function(t){return this.options.icon?this._pxBounds.contains(t):L.CircleMarker.prototype._containsPoint.call(this,t)}}),LineSymbolizer=L.Polyline.extend({includes:[Symbolizer.prototype,PolyBase],initialize:function(t,e){this.properties=t.properties,this._makeFeatureParts(t,e)},render:function(t,e){e.fill=!1,Symbolizer.prototype.render.call(this,t,e),this._updatePath()},updateStyle:function(t,e){e.fill=!1,Symbolizer.prototype.updateStyle.call(this,t,e)}}),FillSymbolizer=L.Polygon.extend({includes:[Symbolizer.prototype,PolyBase],initialize:function(t,e){this.properties=t.properties,this._makeFeatureParts(t,e)},render:function(t,e){Symbolizer.prototype.render.call(this,t,e),this._updatePath()}});L.VectorGrid=L.GridLayer.extend({options:{rendererFactory:L.svg.tile,vectorTileLayerStyles:{},interactive:!1},initialize:function(t){L.setOptions(this,t),L.GridLayer.prototype.initialize.apply(this,arguments),this.options.getFeatureId&&(this._vectorTiles={},this._overriddenStyles={},this.on("tileunload",function(t){var e=this._tileCoordsToKey(t.coords),i=this._vectorTiles[e];i&&this._map&&i.removeFrom(this._map),delete this._vectorTiles[e]},this)),this._dataLayerNames={}},createTile:function(t,e){var i=this.options.getFeatureId,r=this.getTileSize(),n=this.options.rendererFactory(t,r,this.options),o=this._getVectorTilePromise(t);return i&&(this._vectorTiles[this._tileCoordsToKey(t)]=n,n._features={}),o.then(function(r){for(var o in r.layers){this._dataLayerNames[o]=!0;for(var s=r.layers[o],a=this.getTileSize().divideBy(s.extent),u=this.options.vectorTileLayerStyles[o]||L.Path.prototype.options,l=0;l<s.features.length;l++){var h,c=s.features[l],f=u;if(i){h=this.options.getFeatureId(c);var p=this._overriddenStyles[h];p&&(f=p[o]?p[o]:p)}if(f instanceof Function&&(f=f(c.properties,t.z)),f instanceof Array||(f=[f]),f.length){for(var d=this._createLayer(c,a),m=0;m<f.length;m++){var y=L.extend({},L.Path.prototype.options,f[m]);d.render(n,y),n._addPath(d)}this.options.interactive&&d.makeInteractive(),i&&(n._features[h]={layerName:o,feature:d})}}}null!=this._map&&n.addTo(this._map),L.Util.requestAnimFrame(e.bind(t,null,null))}.bind(this)),n.getContainer()},setFeatureStyle:function(t,e){this._overriddenStyles[t]=e;for(var i in this._vectorTiles){var r=this._vectorTiles[i],n=r._features,o=n[t];if(o){var s=o.feature,a=e;e[o.layerName]&&(a=e[o.layerName]),this._updateStyles(s,r,a)}}return this},resetFeatureStyle:function(t){delete this._overriddenStyles[t];for(var e in this._vectorTiles){var i=this._vectorTiles[e],r=i._features,n=r[t];if(n){var o=n.feature,s=this.options.vectorTileLayerStyles[n.layerName]||L.Path.prototype.options;this._updateStyles(o,i,s)}}return this},getDataLayerNames:function(){return Object.keys(this._dataLayerNames)},_updateStyles:function(t,e,i){(i=i instanceof Function?i(t.properties,e.getCoord().z):i)instanceof Array||(i=[i]);for(var r=0;r<i.length;r++){var n=L.extend({},L.Path.prototype.options,i[r]);t.updateStyle(e,n)}},_createLayer:function(t,e,i){var r;switch(t.type){case 1:r=new PointSymbolizer(t,e);break;case 2:r=new LineSymbolizer(t,e);break;case 3:r=new FillSymbolizer(t,e)}return this.options.interactive&&r.addEventParent(this),r}}),L.vectorGrid=function(t){return new L.VectorGrid(t)};var read=function(t,e,i,r,n){var o,s,a=8*n-r-1,u=(1<<a)-1,l=u>>1,h=-7,c=i?n-1:0,f=i?-1:1,p=t[e+c];for(c+=f,o=p&(1<<-h)-1,p>>=-h,h+=a;h>0;o=256*o+t[e+c],c+=f,h-=8);for(s=o&(1<<-h)-1,o>>=-h,h+=r;h>0;s=256*s+t[e+c],c+=f,h-=8);if(0===o)o=1-l;else{if(o===u)return s?NaN:1/0*(p?-1:1);s+=Math.pow(2,r),o-=l}return(p?-1:1)*s*Math.pow(2,o-r)},write=function(t,e,i,r,n,o){var s,a,u,l=8*o-n-1,h=(1<<l)-1,c=h>>1,f=23===n?Math.pow(2,-24)-Math.pow(2,-77):0,p=r?0:o-1,d=r?1:-1,m=e<0||0===e&&1/e<0?1:0;for(e=Math.abs(e),isNaN(e)||e===1/0?(a=isNaN(e)?1:0,s=h):(s=Math.floor(Math.log(e)/Math.LN2),e*(u=Math.pow(2,-s))<1&&(s--,u*=2),e+=s+c>=1?f/u:f*Math.pow(2,1-c),e*u>=2&&(s++,u/=2),s+c>=h?(a=0,s=h):s+c>=1?(a=(e*u-1)*Math.pow(2,n),s+=c):(a=e*Math.pow(2,c-1)*Math.pow(2,n),s=0));n>=8;t[i+p]=255&a,p+=d,a/=256,n-=8);for(s=s<<n|a,l+=n;l>0;t[i+p]=255&s,p+=d,s/=256,l-=8);t[i+p-d]|=128*m},index$1={read:read,write:write},index=Pbf,ieee754=index$1;Pbf.Varint=0,Pbf.Fixed64=1,Pbf.Bytes=2,Pbf.Fixed32=5;var SHIFT_LEFT_32=4294967296,SHIFT_RIGHT_32=1/SHIFT_LEFT_32;Pbf.prototype={destroy:function(){this.buf=null},readFields:function(t,e,i){var r=this;for(i=i||this.length;this.pos<i;){var n=r.readVarint(),o=n>>3,s=r.pos;r.type=7&n,t(o,e,r),r.pos===s&&r.skip(n)}return e},readMessage:function(t,e){return this.readFields(t,e,this.readVarint()+this.pos)},readFixed32:function(){var t=readUInt32(this.buf,this.pos);return this.pos+=4,t},readSFixed32:function(){var t=readInt32(this.buf,this.pos);return this.pos+=4,t},readFixed64:function(){var t=readUInt32(this.buf,this.pos)+readUInt32(this.buf,this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readSFixed64:function(){var t=readUInt32(this.buf,this.pos)+readInt32(this.buf,this.pos+4)*SHIFT_LEFT_32;return this.pos+=8,t},readFloat:function(){var t=ieee754.read(this.buf,this.pos,!0,23,4);return this.pos+=4,t},readDouble:function(){var t=ieee754.read(this.buf,this.pos,!0,52,8);return this.pos+=8,t},readVarint:function(t){var e,i,r=this.buf;return i=r[this.pos++],e=127&i,i<128?e:(i=r[this.pos++],e|=(127&i)<<7,i<128?e:(i=r[this.pos++],e|=(127&i)<<14,i<128?e:(i=r[this.pos++],e|=(127&i)<<21,i<128?e:(i=r[this.pos],e|=(15&i)<<28,readVarintRemainder(e,t,this)))))},readVarint64:function(){return this.readVarint(!0)},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,e=readUtf8(this.buf,this.pos,t);return this.pos=t,e},readBytes:function(){var t=this.readVarint()+this.pos,e=this.buf.subarray(this.pos,t);return this.pos=t,e},readPackedVarint:function(t,e){var i=this,r=readPackedEnd(this);for(t=t||[];this.pos<r;)t.push(i.readVarint(e));return t},readPackedSVarint:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readSVarint());return t},readPackedBoolean:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readBoolean());return t},readPackedFloat:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readFloat());return t},readPackedDouble:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readDouble());return t},readPackedFixed32:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readFixed32());return t},readPackedSFixed32:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readSFixed32());return t},readPackedFixed64:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readFixed64());return t},readPackedSFixed64:function(t){var e=this,i=readPackedEnd(this);for(t=t||[];this.pos<i;)t.push(e.readSFixed64());return t},skip:function(t){var e=7&t;if(e===Pbf.Varint)for(;this.buf[this.pos++]>127;);else if(e===Pbf.Bytes)this.pos=this.readVarint()+this.pos;else if(e===Pbf.Fixed32)this.pos+=4;else{if(e!==Pbf.Fixed64)throw new Error("Unimplemented type: "+e);this.pos+=8}},writeTag:function(t,e){this.writeVarint(t<<3|e)},realloc:function(t){for(var e=this.length||16;e<this.pos+t;)e*=2;if(e!==this.length){var i=new Uint8Array(e);i.set(this.buf),this.buf=i,this.length=e}},finish:function(){return this.length=this.pos,this.pos=0,this.buf.subarray(0,this.length)},writeFixed32:function(t){this.realloc(4),writeInt32(this.buf,t,this.pos),this.pos+=4},writeSFixed32:function(t){this.realloc(4),writeInt32(this.buf,t,this.pos),this.pos+=4},writeFixed64:function(t){this.realloc(8),writeInt32(this.buf,-1&t,this.pos),writeInt32(this.buf,Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeSFixed64:function(t){this.realloc(8),writeInt32(this.buf,-1&t,this.pos),writeInt32(this.buf,Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeVarint:function(t){if((t=+t||0)>268435455||t<0)return void writeBigVarint(t,this);this.realloc(4),this.buf[this.pos++]=127&t|(t>127?128:0),t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=t>>>7&127)))},writeSVarint:function(t){this.writeVarint(t<0?2*-t-1:2*t)},writeBoolean:function(t){this.writeVarint(Boolean(t))},writeString:function(t){t=String(t),this.realloc(4*t.length),this.pos++;var e=this.pos;this.pos=writeUtf8(this.buf,t,this.pos);var i=this.pos-e;i>=128&&makeRoomForExtraLength(e,i,this),this.pos=e-1,this.writeVarint(i),this.pos+=i},writeFloat:function(t){this.realloc(4),ieee754.write(this.buf,t,this.pos,!0,23,4),this.pos+=4},writeDouble:function(t){this.realloc(8),ieee754.write(this.buf,t,this.pos,!0,52,8),this.pos+=8},writeBytes:function(t){var e=this,i=t.length;this.writeVarint(i),this.realloc(i);for(var r=0;r<i;r++)e.buf[e.pos++]=t[r]},writeRawMessage:function(t,e){this.pos++;var i=this.pos;t(e,this);var r=this.pos-i;r>=128&&makeRoomForExtraLength(i,r,this),this.pos=i-1,this.writeVarint(r),this.pos+=r},writeMessage:function(t,e,i){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(e,i)},writePackedVarint:function(t,e){this.writeMessage(t,writePackedVarint,e)},writePackedSVarint:function(t,e){this.writeMessage(t,writePackedSVarint,e)},writePackedBoolean:function(t,e){this.writeMessage(t,writePackedBoolean,e)},writePackedFloat:function(t,e){this.writeMessage(t,writePackedFloat,e)},writePackedDouble:function(t,e){this.writeMessage(t,writePackedDouble,e)},writePackedFixed32:function(t,e){this.writeMessage(t,writePackedFixed32,e)},writePackedSFixed32:function(t,e){this.writeMessage(t,writePackedSFixed32,e)},writePackedFixed64:function(t,e){this.writeMessage(t,writePackedFixed64,e)},writePackedSFixed64:function(t,e){this.writeMessage(t,writePackedSFixed64,e)},writeBytesField:function(t,e){this.writeTag(t,Pbf.Bytes),this.writeBytes(e)},writeFixed32Field:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(e)},writeSFixed32Field:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(e)},writeFixed64Field:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(e)},writeSFixed64Field:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(e)},writeVarintField:function(t,e){this.writeTag(t,Pbf.Varint),this.writeVarint(e)},writeSVarintField:function(t,e){this.writeTag(t,Pbf.Varint),this.writeSVarint(e)},writeStringField:function(t,e){this.writeTag(t,Pbf.Bytes),this.writeString(e)},writeFloatField:function(t,e){this.writeTag(t,Pbf.Fixed32),this.writeFloat(e)},writeDoubleField:function(t,e){this.writeTag(t,Pbf.Fixed64),this.writeDouble(e)},writeBooleanField:function(t,e){this.writeVarintField(t,Boolean(e))}};var index$5=Point$1;Point$1.prototype={clone:function(){return new Point$1(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var e=t.x-this.x,i=t.y-this.y;return e*e+i*i},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,e){return Math.atan2(this.x*e-this.y*t,this.x*t+this.y*e)},_matMult:function(t){var e=t[0]*this.x+t[1]*this.y,i=t[2]*this.x+t[3]*this.y;return this.x=e,this.y=i,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var e=Math.cos(t),i=Math.sin(t),r=e*this.x-i*this.y,n=i*this.x+e*this.y;return this.x=r,this.y=n,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},Point$1.convert=function(t){return t instanceof Point$1?t:Array.isArray(t)?new Point$1(t[0],t[1]):t};var Point=index$5,vectortilefeature=VectorTileFeature$2;VectorTileFeature$2.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature$2.prototype.loadGeometry=function(){var t=this._pbf;t.pos=this._geometry;for(var e,i=t.readVarint()+t.pos,r=1,n=0,o=0,s=0,a=[];t.pos<i;){if(!n){var u=t.readVarint();r=7&u,n=u>>3}if(n--,1===r||2===r)o+=t.readSVarint(),s+=t.readSVarint(),1===r&&(e&&a.push(e),e=[]),e.push(new Point(o,s));else{if(7!==r)throw new Error("unknown command "+r);e&&e.push(e[0].clone())}}return e&&a.push(e),a},VectorTileFeature$2.prototype.bbox=function(){var t=this._pbf;t.pos=this._geometry;for(var e=t.readVarint()+t.pos,i=1,r=0,n=0,o=0,s=1/0,a=-1/0,u=1/0,l=-1/0;t.pos<e;){if(!r){var h=t.readVarint();i=7&h,r=h>>3}if(r--,1===i||2===i)n+=t.readSVarint(),o+=t.readSVarint(),n<s&&(s=n),n>a&&(a=n),o<u&&(u=o),o>l&&(l=o);else if(7!==i)throw new Error("unknown command "+i)}return[s,u,a,l]},VectorTileFeature$2.prototype.toGeoJSON=function(t,e,i){function r(t){for(var e=0;e<t.length;e++){var i=t[e],r=180-360*(i.y+u)/s;t[e]=[360*(i.x+a)/s-180,360/Math.PI*Math.atan(Math.exp(r*Math.PI/180))-90]}}var n,o,s=this.extent*Math.pow(2,i),a=this.extent*t,u=this.extent*e,l=this.loadGeometry(),h=VectorTileFeature$2.types[this.type];switch(this.type){case 1:var c=[];for(n=0;n<l.length;n++)c[n]=l[n][0];l=c,r(l);break;case 2:for(n=0;n<l.length;n++)r(l[n]);break;case 3:for(l=classifyRings(l),n=0;n<l.length;n++)for(o=0;o<l[n].length;o++)r(l[n][o])}1===l.length?l=l[0]:h="Multi"+h;var f={type:"Feature",geometry:{type:h,coordinates:l},properties:this.properties};return"id"in this&&(f.id=this.id),f};var VectorTileFeature$1=vectortilefeature,vectortilelayer=VectorTileLayer$2;VectorTileLayer$2.prototype.feature=function(t){if(t<0||t>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[t];var e=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature$1(this._pbf,e,this.extent,this._keys,this._values)};var VectorTileLayer$1=vectortilelayer,vectortile=VectorTile$1,VectorTile=vectortile;L.VectorGrid.Protobuf=L.VectorGrid.extend({options:{subdomains:"abc",fetchOptions:{}},initialize:function(t,e){this._url=t,L.VectorGrid.prototype.initialize.call(this,e)},setUrl:function(t,e){return this._url=t,e||this.redraw(),this},_getSubdomain:L.TileLayer.prototype._getSubdomain,_getVectorTilePromise:function(t){var e={s:this._getSubdomain(t),x:t.x,y:t.y,z:t.z};if(this._map&&!this._map.options.crs.infinite){var i=this._globalTileRange.max.y-t.y;this.options.tms&&(e.y=i),e["-y"]=i}var r=L.Util.template(this._url,L.extend(e,this.options));return fetch(r,this.options.fetchOptions).then(function(t){return t.ok?t.blob().then(function(t){var e=new FileReader;return new Promise(function(i){e.addEventListener("loadend",function(){var t=new index(e.result);return i(new VectorTile(t))}),e.readAsArrayBuffer(t)})}):{layers:[]}}).then(function(t){for(var e in t.layers){for(var i=[],r=0;r<t.layers[e].length;r++){var n=t.layers[e].feature(r);n.geometry=n.loadGeometry(),i.push(n)}t.layers[e].features=i}return t})}}),L.vectorGrid.protobuf=function(t,e){return new L.VectorGrid.Protobuf(t,e)}
;var workerCode=__$strToBlobUri('"use strict";function simplify$1(e,t){var r,n,o,i,a=t*t,s=e.length,l=0,u=s-1,c=[];for(e[l][2]=1,e[u][2]=1;u;){for(n=0,r=l+1;r<u;r++)(o=getSqSegDist(e[r],e[l],e[u]))>n&&(i=r,n=o);n>a?(e[i][2]=n,c.push(l),c.push(i),l=i):(u=c.pop(),l=c.pop())}}function getSqSegDist(e,t,r){var n=t[0],o=t[1],i=r[0],a=r[1],s=e[0],l=e[1],u=i-n,c=a-o;if(0!==u||0!==c){var f=((s-n)*u+(l-o)*c)/(u*u+c*c);f>1?(n=i,o=a):f>0&&(n+=u*f,o+=c*f)}return u=s-n,c=l-o,u*u+c*c}function convert$1(e,t){var r=[];if("FeatureCollection"===e.type)for(var n=0;n<e.features.length;n++)convertFeature(r,e.features[n],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 n,o,i,a,s=t.geometry,l=s.type,u=s.coordinates,c=t.properties;if("Point"===l)e.push(create(c,1,[projectPoint(u)]));else if("MultiPoint"===l)e.push(create(c,1,project(u)));else if("LineString"===l)e.push(create(c,2,[project(u,r)]));else if("MultiLineString"===l||"Polygon"===l){for(i=[],n=0;n<u.length;n++)a=project(u[n],r),"Polygon"===l&&(a.outer=0===n),i.push(a);e.push(create(c,"Polygon"===l?3:2,i))}else if("MultiPolygon"===l){for(i=[],n=0;n<u.length;n++)for(o=0;o<u[n].length;o++)a=project(u[n][o],r),a.outer=0===o,i.push(a);e.push(create(c,3,i))}else{if("GeometryCollection"!==l)throw new Error("Input data is not a valid GeoJSON object.");for(n=0;n<s.geometries.length;n++)convertFeature(e,{geometry:s.geometries[n],properties:c},r)}}}function create(e,t,r){var n={geometry:r,type:t,tags:e||null,min:[2,1],max:[-1,0]};return calcBBox(n),n}function project(e,t){for(var r=[],n=0;n<e.length;n++)r.push(projectPoint(e[n]));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,n=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return n=n<0?0:n>1?1:n,[r,n,0]}function calcSize(e){for(var t,r,n=0,o=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],n+=t[0]*r[1]-r[0]*t[1],o+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(n/2),e.dist=o}function calcBBox(e){var t=e.geometry,r=e.min,n=e.max;if(1===e.type)calcRingBBox(r,n,t);else for(var o=0;o<t.length;o++)calcRingBBox(r,n,t[o]);return e}function calcRingBBox(e,t,r){for(var n,o=0;o<r.length;o++)n=r[o],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])}function transformTile(e,t){if(e.transformed)return e;var r,n,o,i=e.z2,a=e.x,s=e.y;for(r=0;r<e.features.length;r++){var l=e.features[r],u=l.geometry;if(1===l.type)for(n=0;n<u.length;n++)u[n]=transformPoint(u[n],t,i,a,s);else for(n=0;n<u.length;n++){var c=u[n];for(o=0;o<c.length;o++)c[o]=transformPoint(c[o],t,i,a,s)}}return e.transformed=!0,e}function transformPoint(e,t,r,n,o){return[Math.round(t*(e[0]*r-n)),Math.round(t*(e[1]*r-o))]}function clip$1(e,t,r,n,o,i,a,s){if(r/=t,n/=t,a>=r&&s<=n)return e;if(a>n||s<r)return null;for(var l=[],u=0;u<e.length;u++){var c,f,p=e[u],h=p.geometry,m=p.type;if(c=p.min[o],f=p.max[o],c>=r&&f<=n)l.push(p);else if(!(c>n||f<r)){var g=1===m?clipPoints(h,r,n,o):clipGeometry(h,r,n,o,i,3===m);g.length&&l.push({geometry:g,type:m,tags:e[u].tags||null,min:p.min,max:p.max})}}return l.length?l:null}function clipPoints(e,t,r,n){for(var o=[],i=0;i<e.length;i++){var a=e[i],s=a[n];s>=t&&s<=r&&o.push(a)}return o}function clipGeometry(e,t,r,n,o,i){for(var a=[],s=0;s<e.length;s++){var l,u,c,f=0,p=0,h=null,m=e[s],g=m.area,d=m.dist,v=m.outer,y=m.length,x=[];for(u=0;u<y-1;u++)l=h||m[u],h=m[u+1],f=p||l[n],p=h[n],f<t?p>r?(x.push(o(l,h,t),o(l,h,r)),i||(x=newSlice(a,x,g,d,v))):p>=t&&x.push(o(l,h,t)):f>r?p<t?(x.push(o(l,h,r),o(l,h,t)),i||(x=newSlice(a,x,g,d,v))):p<=r&&x.push(o(l,h,r)):(x.push(l),p<t?(x.push(o(l,h,t)),i||(x=newSlice(a,x,g,d,v))):p>r&&(x.push(o(l,h,r)),i||(x=newSlice(a,x,g,d,v))));l=m[y-1],f=l[n],f>=t&&f<=r&&x.push(l),c=x[x.length-1],i&&c&&(x[0][0]!==c[0]||x[0][1]!==c[1])&&x.push(x[0]),newSlice(a,x,g,d,v)}return a}function newSlice(e,t,r,n,o){return t.length&&(t.area=r,t.dist=n,void 0!==o&&(t.outer=o),e.push(t)),[]}function wrap$1(e,t,r){var n=e,o=clip$2(e,1,-1-t,t,0,r,-1,2),i=clip$2(e,1,1-t,2+t,0,r,-1,2);return(o||i)&&(n=clip$2(e,1,-t,1+t,0,r,-1,2),o&&(n=shiftFeatureCoords(o,1).concat(n)),i&&(n=n.concat(shiftFeatureCoords(i,-1)))),n}function shiftFeatureCoords(e,t){for(var r=[],n=0;n<e.length;n++){var o,i=e[n],a=i.type;if(1===a)o=shiftCoords(i.geometry,t);else{o=[];for(var s=0;s<i.geometry.length;s++)o.push(shiftCoords(i.geometry[s],t))}r.push({geometry:o,type:a,tags:i.tags,min:[i.min[0]+t,i.min[1]],max:[i.max[0]+t,i.max[1]]})}return r}function shiftCoords(e,t){var r=[];r.area=e.area,r.dist=e.dist;for(var n=0;n<e.length;n++)r.push([e[n][0]+t,e[n][1],e[n][2]]);return r}function createTile$1(e,t,r,n,o,i){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:n,z2:t,transformed:!1,min:[2,1],max:[-1,0]},s=0;s<e.length;s++){a.numFeatures++,addFeature(a,e[s],o,i);var l=e[s].min,u=e[s].max;l[0]<a.min[0]&&(a.min[0]=l[0]),l[1]<a.min[1]&&(a.min[1]=l[1]),u[0]>a.max[0]&&(a.max[0]=u[0]),u[1]>a.max[1]&&(a.max[1]=u[1])}return a}function addFeature(e,t,r,n){var o,i,a,s,l=t.geometry,u=t.type,c=[],f=r*r;if(1===u)for(o=0;o<l.length;o++)c.push(l[o]),e.numPoints++,e.numSimplified++;else for(o=0;o<l.length;o++)if(a=l[o],n||!(2===u&&a.dist<r||3===u&&a.area<f)){var p=[];for(i=0;i<a.length;i++)s=a[i],(n||s[2]>f)&&(p.push(s),e.numSimplified++),e.numPoints++;3===u&&rewind(p,a.outer),c.push(p)}else e.numPoints+=a.length;c.length&&e.features.push({geometry:c,type:u,tags:t.tags||null})}function rewind(e,t){signedArea(e)<0===t&&e.reverse()}function signedArea(e){for(var t,r,n=0,o=0,i=e.length,a=i-1;o<i;a=o++)t=e[o],r=e[a],n+=(r[0]-t[0])*(t[1]+r[1]);return n}function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var r=t.debug;r&&console.time("preprocess data");var n=1<<t.maxZoom,o=convert(e,t.tolerance/(n*t.extent));this.tiles={},this.tileCoords=[],r&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),o=wrap(o,t.buffer/t.extent,intersectX),o.length&&this.splitTile(o,0,0,0),r&&(o.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,r){return 32*((1<<e)*r+t)+e}function intersectX(e,t,r){return[r,(r-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,r){return[(r-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],r,1]}function extend(e,t){for(var r in t)e[r]=t[r];return e}function isClippedSquare(e,t,r){var n=e.source;if(1!==n.length)return!1;var o=n[0];if(3!==o.type||o.geometry.length>1)return!1;var i=o.geometry[0].length;if(5!==i)return!1;for(var a=0;a<i;a++){var s=transform.point(o.geometry[0][a],t,e.z2,e.x,e.y);if(s[0]!==-r&&s[0]!==t+r||s[1]!==-r&&s[1]!==t+r)return!1}return!0}function feature$1(e,t){var r=t.id,n=t.bbox,o=null==t.properties?{}:t.properties,i=object(e,t);return null==r&&null==n?{type:"Feature",properties:o,geometry:i}:null==n?{type:"Feature",id:r,properties:o,geometry:i}:{type:"Feature",id:r,bbox:n,properties:o,geometry:i}}function object(e,t){function r(e,t){t.length&&t.pop();for(var r=u[e<0?~e:e],n=0,o=r.length;n<o;++n)t.push(l(r[n].slice(),n));e<0&&reverse(t,o)}function n(e){return l(e.slice())}function o(e){for(var t=[],n=0,o=e.length;n<o;++n)r(e[n],t);return t.length<2&&t.push(t[0].slice()),t}function i(e){for(var t=o(e);t.length<4;)t.push(t[0].slice());return t}function a(e){return e.map(i)}function s(e){var t,r=e.type;switch(r){case"GeometryCollection":return{type:r,geometries:e.geometries.map(s)};case"Point":t=n(e.coordinates);break;case"MultiPoint":t=e.coordinates.map(n);break;case"LineString":t=o(e.arcs);break;case"MultiLineString":t=e.arcs.map(o);break;case"Polygon":t=a(e.arcs);break;case"MultiPolygon":t=e.arcs.map(a);break;default:return null}return{type:r,coordinates:t}}var l=transform$3(e),u=e.arcs;return s(t)}function extractArcs(e,t,r){function n(e){var t=e<0?~e:e;(c[t]||(c[t]=[])).push({i:e,g:l})}function o(e){e.forEach(n)}function i(e){e.forEach(o)}function a(e){e.forEach(i)}function s(e){switch(l=e,e.type){case"GeometryCollection":e.geometries.forEach(s);break;case"LineString":o(e.arcs);break;case"MultiLineString":case"Polygon":i(e.arcs);break;case"MultiPolygon":a(e.arcs)}}var l,u=[],c=[];return s(t),c.forEach(null==r?function(e){u.push(e[0].i)}:function(e){r(e[0].g,e[e.length-1].g)&&u.push(e[0].i)}),u}function planarRingArea(e){for(var t,r=-1,n=e.length,o=e[n-1],i=0;++r<n;)t=o,o=e[r],i+=t[0]*o[1]-t[1]*o[0];return Math.abs(i)}var simplify_1=simplify$1,convert_1=convert$1,simplify=simplify_1,tile=transformTile,point=transformPoint,transform$1={tile:tile,point:point},clip_1=clip$1,clip$2=clip_1,wrap_1=wrap$1,tile$1=createTile$1,index=geojsonvt,convert=convert_1,transform=transform$1,clip=clip_1,wrap=wrap_1,createTile=tile$1;GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,r,n,o,i,a){for(var s=this,l=[e,t,r,n],u=this.options,c=u.debug,f=null;l.length;){n=l.pop(),r=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,h=toID(t,r,n),m=s.tiles[h],g=t===u.maxZoom?0:u.tolerance/(p*u.extent);if(!m&&(c>1&&console.time("creation"),m=s.tiles[h]=createTile(e,p,r,n,g,t===u.maxZoom),s.tileCoords.push({z:t,x:r,y:n}),c)){c>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,r,n,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var d="z"+t;s.stats[d]=(s.stats[d]||0)+1,s.total++}if(m.source=e,o){if(t===u.maxZoom||t===o)continue;var v=1<<o-t;if(r!==Math.floor(i/v)||n!==Math.floor(a/v))continue}else if(t===u.indexMaxZoom||m.numPoints<=u.indexMaxPoints)continue;if(u.solidChildren||!isClippedSquare(m,u.extent,u.buffer)){m.source=null,c>1&&console.time("clipping");var y,x,b,M,P,S,w=.5*u.buffer/u.extent,$=.5-w,C=.5+w,F=1+w;y=x=b=M=null,P=clip(e,p,r-w,r+C,0,intersectX,m.min[0],m.max[0]),S=clip(e,p,r+$,r+F,0,intersectX,m.min[0],m.max[0]),P&&(y=clip(P,p,n-w,n+C,1,intersectY,m.min[1],m.max[1]),x=clip(P,p,n+$,n+F,1,intersectY,m.min[1],m.max[1])),S&&(b=clip(S,p,n-w,n+C,1,intersectY,m.min[1],m.max[1]),M=clip(S,p,n+$,n+F,1,intersectY,m.min[1],m.max[1])),c>1&&console.timeEnd("clipping"),y&&l.push(y,t+1,2*r,2*n),x&&l.push(x,t+1,2*r,2*n+1),b&&l.push(b,t+1,2*r+1,2*n),M&&l.push(M,t+1,2*r+1,2*n+1)}else o&&(f=t)}return f},GeoJSONVT.prototype.getTile=function(e,t,r){var n=this,o=this.options,i=o.extent,a=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,r);if(this.tiles[l])return transform.tile(this.tiles[l],i);a>1&&console.log("drilling down to z%d-%d-%d",e,t,r);for(var u,c=e,f=t,p=r;!u&&c>0;)c--,f=Math.floor(f/2),p=Math.floor(p/2),u=n.tiles[toID(c,f,p)];if(!u||!u.source)return null;if(a>1&&console.log("found parent tile z%d-%d-%d",c,f,p),isClippedSquare(u,i,o.buffer))return transform.tile(u,i);a>1&&console.time("drilling down");var h=this.splitTile(u.source,c,f,p,e,t,r);if(a>1&&console.timeEnd("drilling down"),null!==h){var m=1<<e-h;l=toID(h,Math.floor(t/m),Math.floor(r/m))}return this.tiles[l]?transform.tile(this.tiles[l],i):null};var identity=function(e){return e},transform$3=function(e){if(null==(t=e.transform))return identity;var t,r,n,o=t.scale[0],i=t.scale[1],a=t.translate[0],s=t.translate[1];return function(e,t){return t||(r=n=0),e[0]=(r+=e[0])*o+a,e[1]=(n+=e[1])*i+s,e}},bbox=function(e){function t(e){s[0]=e[0],s[1]=e[1],a(s),s[0]<l&&(l=s[0]),s[0]>c&&(c=s[0]),s[1]<u&&(u=s[1]),s[1]>f&&(f=s[1])}function r(e){switch(e.type){case"GeometryCollection":e.geometries.forEach(r);break;case"Point":t(e.coordinates);break;case"MultiPoint":e.coordinates.forEach(t)}}var n=e.bbox;if(!n){var o,i,a=transform$3(e),s=new Array(2),l=1/0,u=l,c=-l,f=-l;e.arcs.forEach(function(e){for(var t=-1,r=e.length;++t<r;)o=e[t],s[0]=o[0],s[1]=o[1],a(s,t),s[0]<l&&(l=s[0]),s[0]>c&&(c=s[0]),s[1]<u&&(u=s[1]),s[1]>f&&(f=s[1])});for(i in e.objects)r(e.objects[i]);n=e.bbox=[l,u,c,f]}return n},reverse=function(e,t){for(var r,n=e.length,o=n-t;o<--n;)r=e[o],e[o++]=e[n],e[n]=r},feature=function(e,t){return"GeometryCollection"===t.type?{type:"FeatureCollection",features:t.geometries.map(function(t){return feature$1(e,t)})}:feature$1(e,t)},stitch=function(e,t){function r(t){var r,n=e.arcs[t<0?~t:t],o=n[0];return e.transform?(r=[0,0],n.forEach(function(e){r[0]+=e[0],r[1]+=e[1]})):r=n[n.length-1],t<0?[r,o]:[o,r]}function n(e,t){for(var r in e){var n=e[r];delete t[n.start],delete n.start,delete n.end,n.forEach(function(e){o[e<0?~e:e]=1}),s.push(n)}}var o={},i={},a={},s=[],l=-1;return t.forEach(function(r,n){var o,i=e.arcs[r<0?~r:r];i.length<3&&!i[1][0]&&!i[1][1]&&(o=t[++l],t[l]=r,t[n]=o)}),t.forEach(function(e){var t,n,o=r(e),s=o[0],l=o[1];if(t=a[s])if(delete a[t.end],t.push(e),t.end=l,n=i[l]){delete i[n.start];var u=n===t?t:t.concat(n);i[u.start=t.start]=a[u.end=n.end]=u}else i[t.start]=a[t.end]=t;else if(t=i[l])if(delete i[t.start],t.unshift(e),t.start=s,n=a[s]){delete a[n.end];var c=n===t?t:n.concat(t);i[c.start=n.start]=a[c.end=t.end]=c}else i[t.start]=a[t.end]=t;else t=[e],i[t.start=s]=a[t.end=l]=t}),n(a,i),n(i,a),t.forEach(function(e){o[e<0?~e:e]||s.push([e])}),s},bisect=function(e,t){for(var r=0,n=e.length;r<n;){var o=r+n>>>1;e[o]<t?r=o+1:n=o}return r},slicers={},options;onmessage=function(e){if("slice"===e.data[0]){var t=e.data[1];if(options=e.data[2],t.type&&"Topology"===t.type)for(var r in t.objects)slicers[r]=index(feature(t,t.objects[r]),options);else slicers[options.vectorTileLayerName]=index(t,options)}else if("get"===e.data[0]){var n=e.data[1],o={};for(var r in slicers){var i=slicers[r].getTile(n.z,n.x,n.y);if(i){var a={features:[],extent:options.extent,name:options.vectorTileLayerName,length:i.features.length};for(var s in i.features){var l={geometry:i.features[s].geometry,properties:i.features[s].tags,type:i.features[s].type};a.features.push(l)}o[r]=a}}postMessage({layers:o,coords:n})}};\n',"text/plain; charset=us-ascii",!1);L.VectorGrid.Slicer=L.VectorGrid.extend({options:{vectorTileLayerName:"sliced",extent:4096,maxZoom:14},initialize:function(t,e){L.VectorGrid.prototype.initialize.call(this,e);var e={};for(var i in this.options)"rendererFactory"!==i&&"vectorTileLayerStyles"!==i&&"function"!=typeof this.options[i]&&(e[i]=this.options[i]);this._worker=new Worker(workerCode),this._worker.postMessage(["slice",t,e])},_getVectorTilePromise:function(t){var e=this,i=new Promise(function(i){e._worker.addEventListener("message",function r(n){n.data.coords&&n.data.coords.x===t.x&&n.data.coords.y===t.y&&n.data.coords.z===t.z&&(i(n.data),e._worker.removeEventListener("message",r))})});return this._worker.postMessage(["get",t]),i}}),L.vectorGrid.slicer=function(t,e){return new L.VectorGrid.Slicer(t,e)},L.Canvas.Tile=L.Canvas.extend({initialize:function(t,e,i){L.Canvas.prototype.initialize.call(this,i),this._tileCoord=t,this._size=e,this._initContainer(),this._container.setAttribute("width",this._size.x),this._container.setAttribute("height",this._size.y),this._layers={},this._drawnLayers={},this._drawing=!0,i.interactive&&(this._container.style.pointerEvents="auto")},getCoord:function(){return this._tileCoord},getContainer:function(){return this._container},getOffset:function(){return this._tileCoord.scaleBy(this._size).subtract(this._map.getPixelOrigin())},onAdd:L.Util.falseFn,addTo:function(t){this._map=t},removeFrom:function(t){delete this._map},_onClick:function(t){var e,i,r=this._map.mouseEventToLayerPoint(t).subtract(this.getOffset());for(var n in this._layers)e=this._layers[n],e.options.interactive&&e._containsPoint(r)&&!this._map._draggableMoved(e)&&(i=e);i&&(L.DomEvent.fakeStop(t),this._fireEvent([i],t))},_onMouseMove:function(t){if(this._map&&!this._map.dragging.moving()&&!this._map._animatingZoom){var e=this._map.mouseEventToLayerPoint(t).subtract(this.getOffset());this._handleMouseHover(t,e)}},_updateIcon:function(t){if(this._drawing){var e=t.options.icon,i=e.options,r=L.point(i.iconSize),n=i.iconAnchor||r&&r.divideBy(2,!0),o=t._point.subtract(n),s=this._ctx,a=t._getImage();a.complete?s.drawImage(a,o.x,o.y,r.x,r.y):L.DomEvent.on(a,"load",function(){s.drawImage(a,o.x,o.y,r.x,r.y)}),this._drawnLayers[t._leaflet_id]=t}}}),L.canvas.tile=function(t,e,i){return new L.Canvas.Tile(t,e,i)};