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@arcgis/core

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ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

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r.A("lepcc-decode-error","Unknown version");const f=a(t,n);if(n+=u.byteCount,f.sizeHi*2**32+f.sizeLo!==e.byteLength)throw new r.A("lepcc-decode-error","Bad size");const d=new Float64Array(3*f.count),C=[],A=[],E=[],h=[];if(n=s(e,n,C),n=s(e,n,A),n=s(e,n,E),n=s(e,n,h),n!==e.byteLength)throw new r.A("lepcc-decode-error","Bad length");let g=0,S=0;for(let e=0;e<C.length;e++){S+=C[e];let t=0;for(let n=0;n<A[e];n++){t+=E[g];const e=h[g];d[3*g]=Math.min(f.maxX,f.minX+2*f.errorX*t),d[3*g+1]=Math.min(f.maxY,f.minY+2*f.errorY*S),d[3*g+2]=Math.min(f.maxZ,f.minZ+2*f.errorZ*e),g++}}return{errorX:f.errorX,errorY:f.errorY,errorZ:f.errorZ,result:d}}function s(e,t,n){const r=[];t=f(e,t,r);const o=[];for(let i=0;i<r.length;i++){o.length=0,t=f(e,t,o);for(let e=0;e<o.length;e++)n.push(o[e]+r[i])}return t}function f(e,t,n){const i=new DataView(e,t),l=i.getUint8(0),u=31&l,a=!!(32&l),c=(192&l)>>6;let s=0;if(0===c)s=i.getUint32(1,o),t+=5;else if(1===c)s=i.getUint16(1,o),t+=3;else{if(2!==c)throw new r.A("lepcc-decode-error","Bad count type");s=i.getUint8(1),t+=2}if(a)throw new r.A("lepcc-decode-error","LUT not implemented");const f=Math.ceil(s*u/8),d=new Uint8Array(e,t,f);let C=0,A=0,E=0;const h=-1>>>32-u;for(let e=0;e<s;e++){for(;A<u;)C|=d[E]<<A,A+=8,E+=1;n[e]=C&h,C>>>=u,A-=u,A+u>32&&(C|=d[E-1]>>8-A)}return t+E}const d={sizeLo:0,sizeHi:4,count:8,colorMapCount:12,lookupMethod:14,compressionMethod:15,byteCount:16};function C(e,t){return{sizeLo:e.getUint32(t+d.sizeLo,o),sizeHi:e.getUint32(t+d.sizeHi,o),count:e.getUint32(t+d.count,o),colorMapCount:e.getUint16(t+d.colorMapCount,o),lookupMethod:e.getUint8(t+d.lookupMethod),compressionMethod:e.getUint8(t+d.compressionMethod)}}function A(e){const t=new DataView(e,0);let n=0;const{identifier:o,version:u}=l(e,t,n);if(n+=i.byteCount,"ClusterRGB"!==o)throw new r.A("lepcc-decode-error","Bad identifier");if(u>1)throw new r.A("lepcc-decode-error","Unknown version");const a=C(t,n);if(n+=d.byteCount,a.sizeHi*2**32+a.sizeLo!==e.byteLength)throw new r.A("lepcc-decode-error","Bad size");if((2===a.lookupMethod||1===a.lookupMethod)&&0===a.compressionMethod){if(3*a.colorMapCount+a.count+n!==e.byteLength||a.colorMapCount>256)throw new r.A("lepcc-decode-error","Bad count");const t=new Uint8Array(e,n,3*a.colorMapCount),o=new Uint8Array(e,n+3*a.colorMapCount,a.count),i=new Uint8Array(3*a.count);for(let e=0;e<a.count;e++){const n=o[e];i[3*e]=t[3*n],i[3*e+1]=t[3*n+1],i[3*e+2]=t[3*n+2]}return i}if(0===a.lookupMethod&&0===a.compressionMethod){if(3*a.count+n!==e.byteLength||0!==a.colorMapCount)throw new r.A("lepcc-decode-error","Bad count");return new Uint8Array(e,n).slice()}if(a.lookupMethod<=2&&1===a.compressionMethod){if(n+3!==e.byteLength||1!==a.colorMapCount)throw new r.A("lepcc-decode-error","Bad count");const o=t.getUint8(n),i=t.getUint8(n+1),l=t.getUint8(n+2),u=new Uint8Array(3*a.count);for(let e=0;e<a.count;e++)u[3*e]=o,u[3*e+1]=i,u[3*e+2]=l;return u}throw new r.A("lepcc-decode-error","Bad method "+a.lookupMethod+","+a.compressionMethod)}const E={sizeLo:0,sizeHi:4,count:8,scaleFactor:12,bitsPerPoint:14,reserved:15,byteCount:16};function h(e,t){return{sizeLo:e.getUint32(t+E.sizeLo,o),sizeHi:e.getUint32(t+E.sizeHi,o),count:e.getUint32(t+E.count,o),scaleFactor:e.getUint16(t+E.scaleFactor,o),bitsPerPoint:e.getUint8(t+E.bitsPerPoint),reserved:e.getUint8(t+E.reserved)}}function g(e){const t=new DataView(e,0);let n=0;const{identifier:o,version:u}=l(e,t,n);if(n+=i.byteCount,"Intensity "!==o)throw new r.A("lepcc-decode-error","Bad identifier");if(u>1)throw new r.A("lepcc-decode-error","Unknown version");const a=h(t,n);if(n+=E.byteCount,a.sizeHi*2**32+a.sizeLo!==e.byteLength)throw new r.A("lepcc-decode-error","Bad size");const c=new Uint16Array(a.count);if(8===a.bitsPerPoint){if(a.count+n!==e.byteLength)throw new r.A("lepcc-decode-error","Bad size");const t=new Uint8Array(e,n,a.count);for(let e=0;e<a.count;e++)c[e]=t[e]*a.scaleFactor}else if(16===a.bitsPerPoint){if(2*a.count+n!==e.byteLength)throw new r.A("lepcc-decode-error","Bad size");const t=new Uint16Array(e,n,a.count);for(let e=0;e<a.count;e++)c[e]=t[e]*a.scaleFactor}else{const t=[];if(f(e,n,t)!==e.byteLength)throw new r.A("lepcc-decode-error","Bad size");for(let e=0;e<a.count;e++)c[e]=t[e]*a.scaleFactor}return c}}}]);