5 lines
22 KiB
JavaScript
5 lines
22 KiB
JavaScript
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e,i,r=0,n=0,s=t.length,o=s-1;n<s;o=n++)e=t[n],r+=((i=t[o]).x-e.x)*(e.y+i.y);return r}s.types=["Unknown","Point","LineString","Polygon"],s.prototype.loadGeometry=function(){var t=this._pbf;t.pos=this._geometry;for(var e,i=t.readVarint()+t.pos,n=1,s=0,o=0,a=0,u=[];t.pos<i;){if(s<=0){var h=t.readVarint();n=7&h,s=h>>3}if(s--,1===n||2===n)o+=t.readSVarint(),a+=t.readSVarint(),1===n&&(e&&u.push(e),e=[]),e.push(new r(o,a));else{if(7!==n)throw new Error("unknown command "+n);e&&e.push(e[0].clone())}}return e&&u.push(e),u},s.prototype.bbox=function(){var t=this._pbf;t.pos=this._geometry;for(var e=t.readVarint()+t.pos,i=1,r=0,n=0,s=0,o=1/0,a=-1/0,u=1/0,h=-1/0;t.pos<e;){if(r<=0){var f=t.readVarint();i=7&f,r=f>>3}if(r--,1===i||2===i)(n+=t.readSVarint())<o&&(o=n),n>a&&(a=n),(s+=t.readSVarint())<u&&(u=s),s>h&&(h=s);else if(7!==i)throw new Error("unknown command "+i)}return[o,u,a,h]},s.prototype.toGeoJSON=function(t,e,i){var 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i=a;return(e=t.extend({},"Polygon"===u?t.Polygon.prototype.options:t.Path.prototype.options,e)).stroke?(i.setAttribute("stroke",e.color),i.setAttribute("stroke-opacity",e.opacity),i.setAttribute("stroke-width",e.weight),i.setAttribute("stroke-linecap",e.lineCap),i.setAttribute("stroke-linejoin",e.lineJoin),e.dashArray?i.setAttribute("stroke-dasharray",e.dashArray):i.removeAttribute("stroke-dasharray"),e.dashOffset?i.setAttribute("stroke-dashoffset",e.dashOffset):i.removeAttribute("stroke-dashoffset")):i.setAttribute("stroke","none"),e.fill?(i.setAttribute("fill",e.fillColor||e.color),i.setAttribute("fill-opacity",e.fillOpacity),i.setAttribute("fill-rule",e.fillRule||"evenodd")):i.setAttribute("fill","none"),e.interactive?(i.setAttribute("pointer-events","auto"),t.DomUtil.addClass(i,"leaflet-interactive")):(t.DomUtil.removeClass(i,"leaflet-interactive"),i.removeAttribute("pointer-events")),i};var h=function(e){return t.point(e).scaleBy(n)};switch(o.bbox=function(){var 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0,e.concat([r]))}))},r.domElement=function(){return s},r.coords=function(){return e},r}));w="function"==typeof window.fetch?window.fetch:function(t){var e=new XMLHttpRequest;return e.open("GET",t),e.responseType="arraybuffer",new Promise((function(t){e.onload=function(){return t({ok:200===e.status,status:e.status,statusText:e.statusText,arrayBuffer:function(){return e.response}})},e.send()}))};var b=Object.freeze(w),m={
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/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
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read:function(t,e,i,r,n){var s,o,a=8*n-r-1,u=(1<<a)-1,h=u>>1,f=-7,l=i?n-1:0,c=i?-1:1,d=t[e+l];for(l+=c,s=d&(1<<-f)-1,d>>=-f,f+=a;f>0;s=256*s+t[e+l],l+=c,f-=8);for(o=s&(1<<-f)-1,s>>=-f,f+=r;f>0;o=256*o+t[e+l],l+=c,f-=8);if(0===s)s=1-h;else{if(s===u)return o?NaN:1/0*(d?-1:1);o+=Math.pow(2,r),s-=h}return(d?-1:1)*o*Math.pow(2,s-r)},write:function(t,e,i,r,n,s){var o,a,u,h=8*s-n-1,f=(1<<h)-1,l=f>>1,c=23===n?Math.pow(2,-24)-Math.pow(2,-77):0,d=r?0:s-1,p=r?1:-1,y=e<0||0===e&&1/e<0?1:0;for(e=Math.abs(e),isNaN(e)||e===1/0?(a=isNaN(e)?1:0,o=f):(o=Math.floor(Math.log(e)/Math.LN2),e*(u=Math.pow(2,-o))<1&&(o--,u*=2),(e+=o+l>=1?c/u:c*Math.pow(2,1-l))*u>=2&&(o++,u/=2),o+l>=f?(a=0,o=f):o+l>=1?(a=(e*u-1)*Math.pow(2,n),o+=l):(a=e*Math.pow(2,l-1)*Math.pow(2,n),o=0));n>=8;t[i+d]=255&a,d+=p,a/=256,n-=8);for(o=o<<n|a,h+=n;h>0;t[i+d]=255&o,d+=p,o/=256,h-=8);t[i+d-p]|=128*y}},F=V,S=m;function V(t){this.buf=ArrayBuffer.isView&&ArrayBuffer.isView(t)?t:new 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t.push(this.readFixed32());var e=k(this);for(t=t||[];this.pos<e;)t.push(this.readFixed32());return t},readPackedSFixed32:function(t){if(this.type!==V.Bytes)return t.push(this.readSFixed32());var e=k(this);for(t=t||[];this.pos<e;)t.push(this.readSFixed32());return t},readPackedFixed64:function(t){if(this.type!==V.Bytes)return t.push(this.readFixed64());var e=k(this);for(t=t||[];this.pos<e;)t.push(this.readFixed64());return t},readPackedSFixed64:function(t){if(this.type!==V.Bytes)return t.push(this.readSFixed64());var e=k(this);for(t=t||[];this.pos<e;)t.push(this.readSFixed64());return t},skip:function(t){var e=7&t;if(e===V.Varint)for(;this.buf[this.pos++]>127;);else if(e===V.Bytes)this.pos=this.readVarint()+this.pos;else if(e===V.Fixed32)this.pos+=4;else{if(e!==V.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 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