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material copyright ESRI, All Rights Reserved, unless otherwise specified.\nSee https://js.arcgis.com/4.23/esri/copyright.txt for details.\n*/\nimport{clamp as t}from\"../../core/mathUtils.js\";const e=(()=>{if(!(\"document\"in globalThis))return()=>null;const t=document.createElement(\"canvas\"),e=t.getContext(\"2d\"),n=512;return t.height=n,t.width=1,n=>{e.clearRect(0,0,1,t.height);const r=e.createLinearGradient(0,0,0,t.height);for(const{ratio:t,color:e}of n)r.addColorStop(Math.max(t,.001),`rgba(${e.r}, ${e.g}, ${e.b}, ${e.a})`);return e.fillStyle=r,e.fillRect(0,0,1,t.height),e.getImageData(0,0,1,t.height).data}})();function n(t,e,n,r){const{blurRadius:a,fieldOffset:o,field:c}=e,u=new Float64Array(n*r),h=i(a),l=Math.round(3*a);let s,d=Number.NEGATIVE_INFINITY;const m=f(c,o);for(const{geometry:i,attributes:f}of t){const t=i.x-l,e=i.y-l,a=Math.max(0,t),o=Math.max(0,e),c=Math.min(r,i.y+l),g=Math.min(n,i.x+l),y=+m(f);for(let r=o;r<c;r++){const o=h[r-e];for(let e=a;e<g;e++){const a=h[e-t];s=u[r*n+e]+=o*a*y,s>d&&(d=s)}}}return{matrix:u.buffer,max:d}}function r(t,e,n,r){const{blurRadius:a,fieldOffset:o,field:f}=e,u=new Float64Array(n*r),h=i(a),l=Math.round(3*a);let s,d=Number.NEGATIVE_INFINITY;const m=c(f,o),g=new Set;for(const i of t){const t=i.getCursor();for(;t.next();){const e=t.getObjectId();if(g.has(e))continue;g.add(e);const a=t.readLegacyPointGeometry(),o=128;if(a.x<-o||a.x>=n+o||a.y<-o||a.y>r+o)continue;const i=+m(t),f=Math.round(a.x)-l,c=Math.round(a.y)-l,y=Math.max(0,f),M=Math.max(0,c),x=Math.min(r,Math.round(a.y)+l),b=Math.min(n,Math.round(a.x)+l);for(let t=M;t<x;t++){const e=h[t-c];for(let r=y;r<b;r++){const a=h[r-f];s=u[t*n+r]+=e*a*i,s>d&&(d=s)}}}}return{matrix:u.buffer,max:d}}function a(t,e,n,r,a,i){t.canvas.width=t.canvas.height=e,t.clearRect(0,0,e,e);const f=t.getImageData(0,0,e,e);n&&r&&f.data.set(new Uint8ClampedArray(o(e,n,r,a,i))),t.putImageData(f,0,0)}function o(e,n,r,a,o){const i=new Uint32Array(e*e),f=\"buffer\"in n?n:new Float64Array(n),c=\"buffer\"in r?new Uint32Array(r.buffer):new Uint32Array(new Uint8Array(r).buffer),u=c.length/(o-a);for(let h=0;h<f.length;h++){const e=f[h],n=Math.floor((e-a)*u);i[h]=c[t(n,0,c.length-1)]}return i.buffer}function i(t){const e=Math.round(3*t),n=2*t*t,r=new Float64Array(2*e+1);for(let a=0;a<=r.length;a++)r[a]=Math.exp(-((a-e)**2)/n)/Math.sqrt(2*Math.PI)*(t/2);return r}function f(t,e){return\"function\"==typeof t?t:t?\"string\"==typeof e?e=>-1*+e[t]:n=>+n[t]+e:()=>1}function c(t,e){return null!=t?\"string\"==typeof e?e=>-1*+e.readAttribute(t):n=>+n.readAttribute(t)+e:t=>1}export{n as calculateHeatmapIntensityInfo,r as calculateHeatmapIntensityInfoReaders,o as createHeatmapImageData,i as createKernel,f as createValueFunction,c as createValueFunctionCursor,a as drawHeatmap,e as generateGradient};\n","/*\nAll material copyright ESRI, All Rights Reserved, unless otherwise specified.\nSee https://js.arcgis.com/4.23/esri/copyright.txt for details.\n*/\nimport{_ as e}from\"../../../../../chunks/tslib.es6.js\";import\"../../../../../core/has.js\";import{isSome as t,applySome as s}from\"../../../../../core/maybe.js\";import\"../../../../../core/Logger.js\";import\"../../../../../core/accessorSupport/ensureType.js\";import\"../../../../../core/arrayUtils.js\";import\"../../../../../core/accessorSupport/set.js\";import{subclass as r}from\"../../../../../core/accessorSupport/decorators/subclass.js\";import{diff as i}from\"../../../../../core/accessorSupport/diffUtils.js\";import{calculateHeatmapIntensityInfoReaders as o}from\"../../../../../renderers/support/heatmapUtils.js\";import{TILE_SIZE as a}from\"../../../engine/webgl/definitions.js\";import n from\"./BaseProcessor.js\";import{getPow2NeighborKey as d}from\"../support/tileUtils.js\";class p{constructor(e,t){this.offset=e,this.extent=t}}function c(e){const t=e.key,s=new Map,r=256,i=a,o=e.tileInfoView.tileInfo.isWrappable;return s.set(d(t,-1,-1,o).id,new p([-i,-i],[i-r,i-r,i,i])),s.set(d(t,0,-1,o).id,new p([0,-i],[0,i-r,i,i])),s.set(d(t,1,-1,o).id,new p([i,-i],[0,i-r,r,i])),s.set(d(t,-1,0,o).id,new p([-i,0],[i-r,0,i,i])),s.set(d(t,1,0,o).id,new p([i,0],[0,0,r,i])),s.set(d(t,-1,1,o).id,new p([-i,i],[i-r,0,i,r])),s.set(d(t,0,1,o).id,new p([0,i],[0,0,i,r])),s.set(d(t,1,1,o).id,new p([i,i],[0,0,r,r])),s}let l=class extends n{constructor(){super(...arguments),this.type=\"heatmap\",this._tileKeyToFeatureSets=new Map}initialize(){this.handles.add([this.tileStore.on(\"update\",this.onTileUpdate.bind(this))])}async update(e,t){const s=t.schema.processors[0];if(\"heatmap\"!==s.type)return;i(this._schema,s)&&(e.mesh=!0,this._schema=s)}onTileUpdate(e){for(const t of e.removed)this._tileKeyToFeatureSets.delete(t.key.id)}onTileClear(e){const t={clear:!0};return this._tileKeyToFeatureSets.delete(e.key.id),this.remoteClient.invoke(\"tileRenderer.onTileData\",{tileKey:e.id,data:t})}async onTileMessage(e,r,i){this._tileKeyToFeatureSets.has(e.key.id)||this._tileKeyToFeatureSets.set(e.key.id,new Map);const a=this._tileKeyToFeatureSets.get(e.key.id);if(t(r.addOrUpdate)&&r.addOrUpdate.hasFeatures&&a.set(r.addOrUpdate.instance,r),r.end){const t=[],r=c(e);this._tileKeyToFeatureSets.forEach(((i,o)=>{if(o===e.key.id)i.forEach((e=>s(e.addOrUpdate,(e=>t.push(e)))));else if(r.has(o)){const e=r.get(o),[a,n]=e.offset;i.forEach((e=>s(e.addOrUpdate,(e=>{const s=e.transform(a,n,1,1);t.push(s)}))))}}));const a=o(t,this._schema.mesh,512,512),n={tileKey:e.key.id,intensityInfo:a},d=[a.matrix];return this.remoteClient.invoke(\"tileRenderer.onTileData\",n,{...i,transferList:d})}}onTileError(e,t,s){return this.remoteClient.invoke(\"tileRenderer.onTileError\",{tileKey:e.id,error:t},s)}};l=e([r(\"esri.views.2d.layers.features.processors.HeatmapProcessor\")],l);const h=l;export{h as default};\n","/*\nAll material copyright ESRI, All Rights Reserved, unless otherwise specified.\nSee https://js.arcgis.com/4.23/esri/copyright.txt for details.\n*/\nimport{Tile as o}from\"./Tile.js\";function e(e,n,r){const t=e.tileInfoView.tileInfo.isWrappable,i=l(e.key,n,r,t);return new o(e.tileInfoView,i)}function l(o,e,l,n){const r=o.clone(),t=1<<r.level,i=r.col+e,c=r.row+l;return n&&i<0?(r.col=i+t,r.world-=1):i>=t?(r.col=i-t,r.world+=1):r.col=i,r.row=c,r}export{l as getPow2NeighborKey,e as getPow2NeighborTile};\n","/*\nAll material copyright ESRI, All Rights Reserved, unless otherwise specified.\nSee https://js.arcgis.com/4.23/esri/copyright.txt for details.\n*/\nimport{_ as e}from\"../../../../../chunks/tslib.es6.js\";import{HandleOwner as r}from\"../../../../../core/HandleOwner.js\";import{property as t}from\"../../../../../core/accessorSupport/decorators/property.js\";import\"../../../../../core/arrayUtils.js\";import\"../../../../../core/has.js\";import\"../../../../../core/accessorSupport/ensureType.js\";import{subclass as o}from\"../../../../../core/accessorSupport/decorators/subclass.js\";let s=class extends r{initialize(){}destroy(){}get supportsTileUpdates(){return!1}get spatialReference(){const e=this.get(\"tileStore.tileScheme.spatialReference\");return e&&e.toJSON()||null}};e([t({readOnly:!0})],s.prototype,\"supportsTileUpdates\",null),e([t({constructOnly:!0})],s.prototype,\"remoteClient\",void 0),e([t({constructOnly:!0})],s.prototype,\"service\",void 0),e([t()],s.prototype,\"spatialReference\",null),e([t({constructOnly:!0})],s.prototype,\"tileInfo\",void 0),e([t({constructOnly:!0})],s.prototype,\"tileStore\",void 0),s=e([o(\"esri.views.2d.layers.features.processors.BaseProcessor\")],s);const p=s;export{p as default};\n"],"sourceRoot":""}