define(["./Matrix2-e3fb4559","./AxisAlignedBoundingBox-37250ed6","./Transforms-98ffa11d","./Cartesian3-7e9cc2ff","./defaultValue-81eec7ed","./Check-741c5f3c","./TerrainEncoding-2e2628a7","./Math-5f585871","./Matrix4-d34187af","./OrientedBoundingBox-3db45505","./WebMercatorProjection-f5706bbf","./RuntimeError-26acdd3b","./_commonjsHelpers-3aae1032-26891ab7","./createTaskProcessorWorker","./combine-3c023bda","./AttributeCompression-e2e3f0dd","./ComponentDatatype-aaeec80f","./WebGLConstants-508b9636","./EllipsoidTangentPlane-fa1337e1","./IntersectionTests-73b87d72","./Plane-4f75b3df"],(function(e,t,i,a,n,r,s,l,o,f,u,c,d,h,m,g,p,x,w,k,y){"use strict";var I=Object.freeze({NONE:0,LERC:1});const b={};b.DEFAULT_STRUCTURE=Object.freeze({heightScale:1,heightOffset:0,elementsPerHeight:1,stride:1,elementMultiplier:256,isBigEndian:!1});const U=new a.Cartesian3,M=new o.Matrix4,T=new a.Cartesian3,V=new a.Cartesian3;b.computeVertices=function(r){const c=Math.cos,d=Math.sin,h=Math.sqrt,m=Math.atan,g=Math.exp,p=l.CesiumMath.PI_OVER_TWO,x=l.CesiumMath.toRadians,w=r.heightmap,k=r.width,y=r.height,I=r.skirtHeight,v=I>0,A=n.defaultValue(r.isGeographic,!0),B=n.defaultValue(r.ellipsoid,e.Ellipsoid.WGS84),D=1/B.maximumRadius,S=e.Rectangle.clone(r.nativeRectangle),P=e.Rectangle.clone(r.rectangle);let E,C,F,N;n.defined(P)?(E=P.west,C=P.south,F=P.east,N=P.north):A?(E=x(S.west),C=x(S.south),F=x(S.east),N=x(S.north)):(E=S.west*D,C=p-2*m(g(-S.south*D)),F=S.east*D,N=p-2*m(g(-S.north*D)));let O=r.relativeToCenter;const R=n.defined(O);O=R?O:a.Cartesian3.ZERO;const L=n.defaultValue(r.includeWebMercatorT,!1),z=n.defaultValue(r.exaggeration,1),H=n.defaultValue(r.exaggerationRelativeHeight,0),_=1!==z,Y=n.defaultValue(r.structure,b.DEFAULT_STRUCTURE),W=n.defaultValue(Y.heightScale,b.DEFAULT_STRUCTURE.heightScale),X=n.defaultValue(Y.heightOffset,b.DEFAULT_STRUCTURE.heightOffset),Z=n.defaultValue(Y.elementsPerHeight,b.DEFAULT_STRUCTURE.elementsPerHeight),j=n.defaultValue(Y.stride,b.DEFAULT_STRUCTURE.stride),G=n.defaultValue(Y.elementMultiplier,b.DEFAULT_STRUCTURE.elementMultiplier),q=n.defaultValue(Y.isBigEndian,b.DEFAULT_STRUCTURE.isBigEndian);let Q=e.Rectangle.computeWidth(S),J=e.Rectangle.computeHeight(S);const K=Q/(k-1),$=J/(y-1);A||(Q*=D,J*=D);const ee=B.radiiSquared,te=ee.x,ie=ee.y,ae=ee.z;let ne=65536,re=-65536;const se=i.Transforms.eastNorthUpToFixedFrame(O,B),le=o.Matrix4.inverseTransformation(se,M);let oe,fe;L&&(oe=u.WebMercatorProjection.geodeticLatitudeToMercatorAngle(C),fe=1/(u.WebMercatorProjection.geodeticLatitudeToMercatorAngle(N)-oe));const ue=T;ue.x=Number.POSITIVE_INFINITY,ue.y=Number.POSITIVE_INFINITY,ue.z=Number.POSITIVE_INFINITY;const ce=V;ce.x=Number.NEGATIVE_INFINITY,ce.y=Number.NEGATIVE_INFINITY,ce.z=Number.NEGATIVE_INFINITY;let de=Number.POSITIVE_INFINITY;const he=k*y,me=he+(I>0?2*k+2*y:0),ge=new Array(me),pe=new Array(me),xe=new Array(me),we=L?new Array(me):[],ke=_?new Array(me):[];let ye=0,Ie=y,be=0,Ue=k;v&&(--ye,++Ie,--be,++Ue);const Me=1e-5;for(let t=ye;t<Ie;++t){let i=t;i<0&&(i=0),i>=y&&(i=y-1);let n=S.north-$*i;n=A?x(n):p-2*m(g(-n*D));let r=(n-C)/(N-C);r=l.CesiumMath.clamp(r,0,1);const s=t===ye,f=t===Ie-1;I>0&&(s?n+=Me*J:f&&(n-=Me*J));const b=c(n),M=d(n),T=ae*M;let V;L&&(V=(u.WebMercatorProjection.geodeticLatitudeToMercatorAngle(n)-oe)*fe);for(let t=be;t<Ue;++t){let n=t;n<0&&(n=0),n>=k&&(n=k-1);const u=i*(k*j)+n*j;let m;if(1===Z)m=w[u];else{let e;if(m=0,q)for(e=0;e<Z;++e)m=m*G+w[u+e];else for(e=Z-1;e>=0;--e)m=m*G+w[u+e]}m=m*W+X,re=Math.max(re,m),ne=Math.min(ne,m);let g=S.west+K*n;A?g=x(g):g*=D;let p=(g-E)/(F-E);p=l.CesiumMath.clamp(p,0,1);let v=i*k+n;if(I>0){const e=t===be,a=t===Ue-1,r=s||f||e||a;if((s||f)&&(e||a))continue;r&&(m-=I,e?(v=he+(y-i-1),g-=Me*Q):f?v=he+y+(k-n-1):a?(v=he+y+k+i,g+=Me*Q):s&&(v=he+y+k+y+n))}const P=b*c(g),C=b*d(g),N=te*P,O=ie*C,R=1/h(N*P+O*C+T*M),z=N*R,H=O*R,Y=T*R,J=new a.Cartesian3;J.x=z+P*m,J.y=H+C*m,J.z=Y+M*m,o.Matrix4.multiplyByPoint(le,J,U),a.Cartesian3.minimumByComponent(U,ue,ue),a.Cartesian3.maximumByComponent(U,ce,ce),de=Math.min(de,m),ge[v]=J,xe[v]=new e.Cartesian2(p,r),pe[v]=m,L&&(we[v]=V),_&&(ke[v]=B.geodeticSurfaceNormal(J))}}const Te=i.BoundingSphere.fromPoints(ge);let Ve,ve;if(n.defined(P)&&(Ve=f.OrientedBoundingBox.fromRectangle(P,ne,re,B)),R){ve=new s.EllipsoidalOccluder(B).computeHorizonCullingPointPossiblyUnderEllipsoid(O,ge,ne)}const Ae=new t.AxisAlignedBoundingBox(ue,ce,O),Be=new s.TerrainEncoding(O,Ae,de,re,se,!1,L,_,z,H),De=new Float32Array(me*Be.stride);let Se=0;for(let e=0;e<me;++e)Se=Be.encode(De,Se,ge[e],xe[e],pe[e],void 0,we[e],ke[e]);return{vertices:De,maximumHeight:re,minimumHeight:ne,encoding:Be,boundingSphere3D:Te,orientedBoundingBox:Ve,occludeePointInScaledSpace:ve}};var v=d.createCommonjsModule((function(e){
/* Copyright 2015-2018 Esri. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 @preserve */
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DataView(e,n,4),f={};if(f.numBytes=o.getUint32(0,!0),n+=4,(0===l||s===l)&&0!==f.numBytes)throw"invalid mask";if(0===l)i=new Uint8Array(Math.ceil(s/8)),f.bitset=i,a=new Uint8Array(s),t.pixels.resultMask=a,n+=f.numBytes;else if(f.numBytes>0){i=new Uint8Array(Math.ceil(s/8));var u=(o=new DataView(e,n,f.numBytes)).getInt16(0,!0),c=2,d=0,h=0;do{if(u>0)for(;u--;)i[d++]=o.getUint8(c++);else for(h=o.getUint8(c++),u=-u;u--;)i[d++]=h;u=o.getInt16(c,!0),c+=2}while(c<f.numBytes);if(-32768!==u||d<i.length)throw"Unexpected end of mask RLE encoding";a=new Uint8Array(s);var m=0,g=0;for(g=0;g<s;g++)7&g?(m=i[g>>3],m<<=7&g):m=i[g>>3],128&m&&(a[g]=1);t.pixels.resultMask=a,f.bitset=i,n+=f.numBytes}return t.ptr=n,t.mask=f,!0},readDataOneSweep:function(e,t,i){var a,n=t.ptr,r=t.headerInfo,s=r.numDims,l=r.width*r.height,o=r.imageType,f=r.numValidPixel*h.getDataTypeSize(o)*s,u=t.pixels.resultMask;if(i===Uint8Array)a=new Uint8Array(e,n,f);else{var c=new ArrayBuffer(f);new Uint8Array(c).set(new Uint8Array(e,n,f)),a=new i(c)}if(a.length===l*s)t.pixels.resultPixels=a;else{t.pixels.resultPixels=new i(l*s);var d=0,m=0,g=0,p=0;if(s>1)for(g=0;g<s;g++)for(p=g*l,m=0;m<l;m++)u[m]&&(t.pixels.resultPixels[p+m]=a[d++]);else for(m=0;m<l;m++)u[m]&&(t.pixels.resultPixels[m]=a[d++])}return n+=f,t.ptr=n,!0},readHuffmanTree:function(e,t){var i=this.HUFFMAN_LUT_BITS_MAX,a=new DataView(e,t.ptr,16);if(t.ptr+=16,a.getInt32(0,!0)<2)throw"unsupported Huffman version";var n=a.getInt32(4,!0),r=a.getInt32(8,!0),s=a.getInt32(12,!0);if(r>=s)return!1;var l=new Uint32Array(s-r);h.decodeBits(e,t,l);var o,f,u,c,d=[];for(o=r;o<s;o++)d[f=o-(o<n?0:n)]={first:l[o-r],second:null};var g=e.byteLength-t.ptr,p=Math.ceil(g/4),x=new ArrayBuffer(4*p);new Uint8Array(x).set(new Uint8Array(e,t.ptr,g));var w,k=new Uint32Array(x),y=0,I=0;for(w=k[0],o=r;o<s;o++)(c=d[f=o-(o<n?0:n)].first)>0&&(d[f].second=w<<y>>>32-c,32-y>=c?32===(y+=c)&&(y=0,w=k[++I]):(y+=c-32,w=k[++I],d[f].second|=w>>>32-y));var b=0,U=0,M=new m;for(o=0;o<d.length;o++)void 0!==d[o]&&(b=Math.max(b,d[o].first));U=b>=i?i:b,b>=30&&console.log("WARning, large NUM LUT BITS IS "+b);var T,V,v,A,B,D=[];for(o=r;o<s;o++)if((c=d[f=o-(o<n?0:n)].first)>0)if(T=[c,f],c<=U)for(V=d[f].second<<U-c,v=1<<U-c,u=0;u<v;u++)D[V|u]=T;else for(V=d[f].second,B=M,A=c-1;A>=0;A--)V>>>A&1?(B.right||(B.right=new m),B=B.right):(B.left||(B.left=new m),B=B.left),0!==A||B.val||(B.val=T[1]);return{decodeLut:D,numBitsLUTQick:U,numBitsLUT:b,tree:M,stuffedData:k,srcPtr:I,bitPos:y}},readHuffman:function(e,t,i){var a,n,r,s,l,o,f,u,c,d=t.headerInfo,h=d.numDims,m=t.headerInfo.height,g=t.headerInfo.width,p=g*m,x=this.readHuffmanTree(e,t),w=x.decodeLut,k=x.tree,y=x.stuffedData,I=x.srcPtr,b=x.bitPos,U=x.numBitsLUTQick,M=x.numBitsLUT,T=0===t.headerInfo.imageType?128:0,V=t.pixels.resultMask,v=0;b>0&&(I++,b=0);var A,B=y[I],D=1===t.encodeMode,S=new i(p*h),P=S;for(A=0;A<d.numDims;A++){if(h>1&&(P=new i(S.buffer,p*A,p),v=0),t.headerInfo.numValidPixel===g*m)for(u=0,o=0;o<m;o++)for(f=0;f<g;f++,u++){if(n=0,l=s=B<<b>>>32-U,32-b<U&&(l=s|=y[I+1]>>>64-b-U),w[l])n=w[l][1],b+=w[l][0];else for(l=s=B<<b>>>32-M,32-b<M&&(l=s|=y[I+1]>>>64-b-M),a=k,c=0;c<M;c++)if(!(a=s>>>M-c-1&1?a.right:a.left).left&&!a.right){n=a.val,b=b+c+1;break}b>=32&&(b-=32,B=y[++I]),r=n-T,D?(r+=f>0?v:o>0?P[u-g]:v,r&=255,P[u]=r,v=r):P[u]=r}else for(u=0,o=0;o<m;o++)for(f=0;f<g;f++,u++)if(V[u]){if(n=0,l=s=B<<b>>>32-U,32-b<U&&(l=s|=y[I+1]>>>64-b-U),w[l])n=w[l][1],b+=w[l][0];else for(l=s=B<<b>>>32-M,32-b<M&&(l=s|=y[I+1]>>>64-b-M),a=k,c=0;c<M;c++)if(!(a=s>>>M-c-1&1?a.right:a.left).left&&!a.right){n=a.val,b=b+c+1;break}b>=32&&(b-=32,B=y[++I]),r=n-T,D?(f>0&&V[u-1]?r+=v:o>0&&V[u-g]?r+=P[u-g]:r+=v,r&=255,P[u]=r,v=r):P[u]=r}t.ptr=t.ptr+4*(I+1)+(b>0?4:0)}t.pixels.resultPixels=S},decodeBits:function(e,t,i,a,n){var r=t.headerInfo,s=r.fileVersion,h=0,m=new DataView(e,t.ptr,5),g=m.getUint8(0);h++;var p=g>>6,x=0===p?4:3-p,w=(32&g)>0,k=31&g,y=0;if(1===x)y=m.getUint8(h),h++;else if(2===x)y=m.getUint16(h,!0),h+=2;else{if(4!==x)throw"Invalid valid pixel count type";y=m.getUint32(h,!0),h+=4}var I,b,U,M,T,V,v,A,B,D=2*r.maxZError,S=r.numDims>1?r.maxValues[n]:r.zMax;if(w){for(t.counter.lut++,A=m.getUint8(h),h++,M=Math.ceil((A-1)*k/8),T=Math.ceil(M/4),b=new ArrayBuffer(4*T),U=new Uint8Array(b),t.ptr+=h,U.set(new Uint8Array(e,t.ptr,M)),v=new Uint32Array(b),t.ptr+=M,B=0;A-1>>>B;)B++;M=Math.ceil(y*B/8),T=Math.ceil(M/4),b=new ArrayBuffer(4*T),(U=new Uint8Array(b)).set(new Uint8Array(e,t.ptr,M)),I=new Uint32Array(b),t.ptr+=M,V=s>=3?u(v,k,A-1,a,D,S):o(v,k,A-1,a,D,S),s>=3?f(I,i,B,y,V):l(I,i,B,y,V)}else t.counter.bitstuffer++,B=k,t.ptr+=h,B>0&&(M=Math.ceil(y*B/8),T=Math.ceil(M/4),b=new ArrayBuffer(4*T),(U=new Uint8Array(b)).set(new Uint8Array(e,t.ptr,M)),I=new Uint32Array(b),t.ptr+=M,s>=3?null==a?d(I,i,B,y):f(I,i,B,y,!1,a,D,S):null==a?c(I,i,B,y):l(I,i,B,y,!1,a,D,S))},readTiles:function(e,t,i){var a=t.headerInfo,n=a.width,r=a.height,s=a.microBlockSize,l=a.imageType,o=h.getDataTypeSize(l),f=Math.ceil(n/s),u=Math.ceil(r/s);t.pixels.numBlocksY=u,t.pixels.numBlocksX=f,t.pixels.ptr=0;var c,d,m,g,p,x,w,k,y=0,I=0,b=0,U=0,M=0,T=0,V=0,v=0,A=0,B=0,D=0,S=0,P=0,E=0,C=0,F=new i(s*s),N=r%s||s,O=n%s||s,R=a.numDims,L=t.pixels.resultMask,z=t.pixels.resultPixels;for(b=0;b<u;b++)for(M=b!==u-1?s:N,U=0;U<f;U++)for(B=b*n*s+U*s,D=n-(T=U!==f-1?s:O),k=0;k<R;k++){if(R>1&&(z=new i(t.pixels.resultPixels.buffer,n*r*k*o,n*r)),V=e.byteLength-t.ptr,d={},C=0,C++,A=(v=(c=new DataView(e,t.ptr,Math.min(10,V))).getUint8(0))>>6&255,(v>>2&15)!=(U*s>>3&15))throw"integrity issue";if((p=3&v)>3)throw t.ptr+=C,"Invalid block encoding ("+p+")";if(2!==p)if(0===p){if(t.counter.uncompressed++,t.ptr+=C,S=(S=M*T*o)<(P=e.byteLength-t.ptr)?S:P,m=new ArrayBuffer(S%o==0?S:S+o-S%o),new Uint8Array(m).set(new Uint8Array(e,t.ptr,S)),g=new i(m),E=0,L)for(y=0;y<M;y++){for(I=0;I<T;I++)L[B]&&(z[B]=g[E++]),B++;B+=D}else for(y=0;y<M;y++){for(I=0;I<T;I++)z[B++]=g[E++];B+=D}t.ptr+=E*o}else if(x=h.getDataTypeUsed(l,A),w=h.getOnePixel(d,C,x,c),C+=h.getDataTypeSize(x),3===p)if(t.ptr+=C,t.counter.constantoffset++,L)for(y=0;y<M;y++){for(I=0;I<T;I++)L[B]&&(z[B]=w),B++;B+=D}else for(y=0;y<M;y++){for(I=0;I<T;I++)z[B++]=w;B+=D}else if(t.ptr+=C,h.decodeBits(e,t,F,w,k),C=0,L)for(y=0;y<M;y++){for(I=0;I<T;I++)L[B]&&(z[B]=F[C++]),B++;B+=D}else for(y=0;y<M;y++){for(I=0;I<T;I++)z[B++]=F[C++];B+=D}else t.counter.constant++,t.ptr+=C}},formatFileInfo:function(e){return{fileIdentifierString:e.headerInfo.fileIdentifierString,fileVersion:e.headerInfo.fileVersion,imageType:e.headerInfo.imageType,height:e.headerInfo.height,width:e.headerInfo.width,numValidPixel:e.headerInfo.numValidPixel,microBlockSize:e.headerInfo.microBlockSize,blobSize:e.headerInfo.blobSize,maxZError:e.headerInfo.maxZError,pixelType:h.getPixelType(e.headerInfo.imageType),eofOffset:e.eofOffset,mask:e.mask?{numBytes:e.mask.numBytes}:null,pixels:{numBlocksX:e.pixels.numBlocksX,numBlocksY:e.pixels.numBlocksY,maxValue:e.headerInfo.zMax,minValue:e.headerInfo.zMin,noDataValue:e.noDataValue}}},constructConstantSurface:function(e){var t=e.headerInfo.zMax,i=e.headerInfo.numDims,a=e.headerInfo.height*e.headerInfo.width,n=a*i,r=0,s=0,l=0,o=e.pixels.resultMask;if(o)if(i>1)for(r=0;r<i;r++)for(l=r*a,s=0;s<a;s++)o[s]&&(e.pixels.resultPixels[l+s]=t);else for(s=0;s<a;s++)o[s]&&(e.pixels.resultPixels[s]=t);else if(e.pixels.resultPixels.fill)e.pixels.resultPixels.fill(t);else for(s=0;s<n;s++)e.pixels.resultPixels[s]=t},getDataTypeArray:function(e){var t;switch(e){case 0:t=Int8Array;break;case 1:t=Uint8Array;break;case 2:t=Int16Array;break;case 3:t=Uint16Array;break;case 4:t=Int32Array;break;case 5:t=Uint32Array;break;case 6:default:t=Float32Array;break;case 7:t=Float64Array}return t},getPixelType:function(e){var t;switch(e){case 0:t="S8";break;case 1:t="U8";break;case 2:t="S16";break;case 3:t="U16";break;case 4:t="S32";break;case 5:t="U32";break;case 6:default:t="F32";break;case 7:t="F64"}return t},isValidPixelValue:function(e,t){if(null==t)return!1;var i;switch(e){case 0:i=t>=-128&&t<=127;break;case 1:i=t>=0&&t<=255;break;case 2:i=t>=-32768&&t<=32767;break;case 3:i=t>=0&&t<=65536;break;case 4:i=t>=-2147483648&&t<=2147483647;break;case 5:i=t>=0&&t<=4294967296;break;case 6:i=t>=-34027999387901484e22&&t<=34027999387901484e22;break;case 7:i=t>=5e-324&&t<=17976931348623157e292;break;default:i=!1}return i},getDataTypeSize:function(e){var t=0;switch(e){case 0:case 1:t=1;break;case 2:case 3:t=2;break;case 4:case 5:case 6:t=4;break;case 7:t=8;break;default:t=e}return t},getDataTypeUsed:function(e,t){var i=e;switch(e){case 2:case 4:i=e-t;break;case 3:case 5:i=e-2*t;break;case 6:i=0===t?e:1===t?2:1;break;case 7:i=0===t?e:e-2*t+1;break;default:i=e}return i},getOnePixel:function(e,t,i,a){var n=0;switch(i){case 0:n=a.getInt8(t);break;case 1:n=a.getUint8(t);break;case 2:n=a.getInt16(t,!0);break;case 3:n=a.getUint16(t,!0);break;case 4:n=a.getInt32(t,!0);break;case 5:n=a.getUInt32(t,!0);break;case 6:n=a.getFloat32(t,!0);break;case 7:n=a.getFloat64(t,!0);break;default:throw"the decoder does not understand this pixel type"}return n}},m=function(e,t,i){this.val=e,this.left=t,this.right=i},{decode:function(e,t){var i=(t=t||{}).noDataValue,a=0,n={};n.ptr=t.inputOffset||0,n.pixels={},h.readHeaderInfo(e,n);var r=n.headerInfo,s=r.fileVersion,l=h.getDataTypeArray(r.imageType);h.readMask(e,n),r.numValidPixel===r.width*r.height||n.pixels.resultMask||(n.pixels.resultMask=t.maskData);var o,f=r.width*r.height;if(n.pixels.resultPixels=new l(f*r.numDims),n.counter={onesweep:0,uncompressed:0,lut:0,bitstuffer:0,constant:0,constantoffset:0},0!==r.numValidPixel)if(r.zMax===r.zMin)h.constructConstantSurface(n);else if(s>=4&&h.checkMinMaxRanges(e,n))h.constructConstantSurface(n);else{var u=new DataView(e,n.ptr,2),c=u.getUint8(0);if(n.ptr++,c)h.readDataOneSweep(e,n,l);else if(s>1&&r.imageType<=1&&Math.abs(r.maxZError-.5)<1e-5){var d=u.getUint8(1);if(n.ptr++,n.encodeMode=d,d>2||s<4&&d>1)throw"Invalid Huffman flag "+d;d?h.readHuffman(e,n,l):h.readTiles(e,n,l)}else h.readTiles(e,n,l)}n.eofOffset=n.ptr,t.inputOffset?(o=n.headerInfo.blobSize+t.inputOffset-n.ptr,Math.abs(o)>=1&&(n.eofOffset=t.inputOffset+n.headerInfo.blobSize)):(o=n.headerInfo.blobSize-n.ptr,Math.abs(o)>=1&&(n.eofOffset=n.headerInfo.blobSize));var m={width:r.width,height:r.height,pixelData:n.pixels.resultPixels,minValue:r.zMin,maxValue:r.zMax,validPixelCount:r.numValidPixel,dimCount:r.numDims,dimStats:{minValues:r.minValues,maxValues:r.maxValues},maskData:n.pixels.resultMask};if(n.pixels.resultMask&&h.isValidPixelValue(r.imageType,i)){var g=n.pixels.resultMask;for(a=0;a<f;a++)g[a]||(m.pixelData[a]=i);m.noDataValue=i}return n.noDataValue=i,t.returnFileInfo&&(m.fileInfo=h.formatFileInfo(n)),m},getBandCount:function(e){for(var t=0,i=0,a={ptr:0,pixels:{}};i<e.byteLength-58;)h.readHeaderInfo(e,a),i+=a.headerInfo.blobSize,t++,a.ptr=i;return t}}),k=(g=new ArrayBuffer(4),p=new Uint8Array(g),new Uint32Array(g)[0]=1,1===p[0]),y={decode:function(e,t){if(!k)throw"Big endian system is not supported.";var i,a,n=(t=t||{}).inputOffset||0,r=new Uint8Array(e,n,10),s=String.fromCharCode.apply(null,r);if("CntZImage"===s.trim())i=x,a=1;else{if("Lerc2"!==s.substring(0,5))throw"Unexpected file identifier string: "+s;i=w,a=2}for(var l,o,f,u,c,d,h=0,m=e.byteLength-10,g=[],p={width:0,height:0,pixels:[],pixelType:t.pixelType,mask:null,statistics:[]};n<m;){var y=i.decode(e,{inputOffset:n,encodedMaskData:l,maskData:f,returnMask:0===h,returnEncodedMask:0===h,returnFileInfo:!0,pixelType:t.pixelType||null,noDataValue:t.noDataValue||null});n=y.fileInfo.eofOffset,0===h&&(l=y.encodedMaskData,f=y.maskData,p.width=y.width,p.height=y.height,p.dimCount=y.dimCount||1,p.pixelType=y.pixelType||y.fileInfo.pixelType,p.mask=y.maskData),a>1&&y.fileInfo.mask&&y.fileInfo.mask.numBytes>0&&g.push(y.maskData),h++,p.pixels.push(y.pixelData),p.statistics.push({minValue:y.minValue,maxValue:y.maxValue,noDataValue:y.noDataValue,dimStats:y.dimStats})}if(a>1&&g.length>1){for(d=p.width*p.height,p.bandMasks=g,(f=new Uint8Array(d)).set(g[0]),u=1;u<g.length;u++)for(o=g[u],c=0;c<d;c++)f[c]=f[c]&o[c];p.maskData=f}return p}};e.exports?e.exports=y:this.Lerc=y}()}));return h((function(t,i){if(t.encoding===I.LERC){let e;try{e=v.decode(t.heightmap)}catch(e){throw new c.RuntimeError(e)}if(e.statistics[0].minValue===Number.MAX_VALUE)throw new c.RuntimeError("Invalid tile data");t.heightmap=e.pixels[0],t.width=e.width,t.height=e.height}t.ellipsoid=e.Ellipsoid.clone(t.ellipsoid),t.rectangle=e.Rectangle.clone(t.rectangle);const a=b.computeVertices(t),n=a.vertices;return i.push(n.buffer),{vertices:n.buffer,numberOfAttributes:a.encoding.stride,minimumHeight:a.minimumHeight,maximumHeight:a.maximumHeight,gridWidth:t.width,gridHeight:t.height,boundingSphere3D:a.boundingSphere3D,orientedBoundingBox:a.orientedBoundingBox,occludeePointInScaledSpace:a.occludeePointInScaledSpace,encoding:a.encoding,westIndicesSouthToNorth:a.westIndicesSouthToNorth,southIndicesEastToWest:a.southIndicesEastToWest,eastIndicesNorthToSouth:a.eastIndicesNorthToSouth,northIndicesWestToEast:a.northIndicesWestToEast}}))}));