define(["./AxisAlignedBoundingBox-1feb0c48","./Matrix2-f2da41d4","./when-229515d6","./TerrainEncoding-6355a4fe","./IndexDatatype-b10faa0b","./ComponentDatatype-17b06483","./RuntimeError-ffe03243","./Transforms-7cd3197b","./WebMercatorProjection-d69cec15","./createTaskProcessorWorker","./AttributeCompression-0af3c035","./WebGLConstants-4e26b85a","./combine-8ce3f24b"],(function(e,t,r,i,n,o,a,s,d,c,h,u,I){"use strict";function l(){a.DeveloperError.throwInstantiationError()}Object.defineProperties(l.prototype,{errorEvent:{get:a.DeveloperError.throwInstantiationError},credit:{get:a.DeveloperError.throwInstantiationError},tilingScheme:{get:a.DeveloperError.throwInstantiationError},ready:{get:a.DeveloperError.throwInstantiationError},readyPromise:{get:a.DeveloperError.throwInstantiationError},hasWaterMask:{get:a.DeveloperError.throwInstantiationError},hasVertexNormals:{get:a.DeveloperError.throwInstantiationError},availability:{get:a.DeveloperError.throwInstantiationError}});var g=[];l.getRegularGridIndices=function(e,t){var i=g[e];r.defined(i)||(g[e]=i=[]);var n=i[t];return r.defined(n)||E(e,t,n=e*t<o.CesiumMath.SIXTY_FOUR_KILOBYTES?i[t]=new Uint16Array((e-1)*(t-1)*6):i[t]=new Uint32Array((e-1)*(t-1)*6),0),n};var m=[];l.getRegularGridIndicesAndEdgeIndices=function(e,t){var i=m[e];r.defined(i)||(m[e]=i=[]);var n=i[t];if(!r.defined(n)){var o=l.getRegularGridIndices(e,t),a=f(e,t),s=a.westIndicesSouthToNorth,d=a.southIndicesEastToWest,c=a.eastIndicesNorthToSouth,h=a.northIndicesWestToEast;n=i[t]={indices:o,westIndicesSouthToNorth:s,southIndicesEastToWest:d,eastIndicesNorthToSouth:c,northIndicesWestToEast:h}}return n};var T=[];function f(e,t){var r,i=new Array(t),n=new Array(e),o=new Array(t),a=new Array(e);for(r=0;r<e;++r)a[r]=r,n[r]=e*t-1-r;for(r=0;r<t;++r)o[r]=(r+1)*e-1,i[r]=(t-r-1)*e;return{westIndicesSouthToNorth:i,southIndicesEastToWest:n,eastIndicesNorthToSouth:o,northIndicesWestToEast:a}}function E(e,t,r,i){for(var n=0,o=0;o<t-1;++o){for(var a=0;a<e-1;++a){var s=n,d=s+e,c=d+1,h=s+1;r[i++]=s,r[i++]=d,r[i++]=h,r[i++]=h,r[i++]=d,r[i++]=c,++n}++n}}function v(e,t,r,i){for(var n=e[0],o=e.length,a=1;a<o;++a){var s=e[a];r[i++]=n,r[i++]=s,r[i++]=t,r[i++]=t,r[i++]=s,r[i++]=t+1,n=s,++t}return i}l.getRegularGridAndSkirtIndicesAndEdgeIndices=function(e,t){var i=T[e];r.defined(i)||(T[e]=i=[]);var o=i[t];if(!r.defined(o)){var a=e*t,s=(e-1)*(t-1)*6,d=2*e+2*t,c=a+d,h=s+6*Math.max(0,d-4),u=f(e,t),I=u.westIndicesSouthToNorth,g=u.southIndicesEastToWest,m=u.eastIndicesNorthToSouth,v=u.northIndicesWestToEast,p=n.IndexDatatype.createTypedArray(c,h);E(e,t,p,0),l.addSkirtIndices(I,g,m,v,a,p,s),o=i[t]={indices:p,westIndicesSouthToNorth:I,southIndicesEastToWest:g,eastIndicesNorthToSouth:m,northIndicesWestToEast:v,indexCountWithoutSkirts:s}}return o},l.addSkirtIndices=function(e,t,r,i,n,o,a){var s=n;a=v(e,s,o,a),a=v(t,s+=e.length,o,a),a=v(r,s+=t.length,o,a),v(i,s+=r.length,o,a)},l.heightmapTerrainQuality=.25,l.getEstimatedLevelZeroGeometricErrorForAHeightmap=function(e,t,r){return 2*e.maximumRadius*Math.PI*l.heightmapTerrainQuality/(t*r)},l.prototype.requestTileGeometry=a.DeveloperError.throwInstantiationError,l.prototype.getLevelMaximumGeometricError=a.DeveloperError.throwInstantiationError,l.prototype.getTileDataAvailable=a.DeveloperError.throwInstantiationError,l.prototype.loadTileDataAvailability=a.DeveloperError.throwInstantiationError;var p=32767,y=new t.Cartesian3,N=new t.Cartesian3,w=new t.Cartesian3,S=new t.Cartographic,b=new t.Cartesian2;function M(e,r,i,n,a,s,d,c,h){var u=Number.POSITIVE_INFINITY,I=a.north,l=a.south,g=a.east,m=a.west;g<m&&(g+=o.CesiumMath.TWO_PI);for(var T=e.length,f=0;f<T;++f){var E=e[f],v=i[E],p=n[E];S.longitude=o.CesiumMath.lerp(m,g,p.x),S.latitude=o.CesiumMath.lerp(l,I,p.y),S.height=v-r;var N=s.cartographicToCartesian(S,y);t.Matrix4.multiplyByPoint(d,N,N),t.Cartesian3.minimumByComponent(N,c,c),t.Cartesian3.maximumByComponent(N,h,h),u=Math.min(u,S.height)}return u}function x(e,t,i,n,a,s,c,h,u,I,l,g,m,T){var f=r.defined(c),E=u.north,v=u.south,p=u.east,N=u.west;p<N&&(p+=o.CesiumMath.TWO_PI);for(var w=i.length,M=0;M<w;++M){var x=i[M],A=a[x],C=s[x];S.longitude=o.CesiumMath.lerp(N,p,C.x)+m,S.latitude=o.CesiumMath.lerp(v,E,C.y)+T,S.height=A-I;var W,P,D=h.cartographicToCartesian(S,y);if(f){var k=2*x;b.x=c[k],b.y=c[k+1]}n.hasWebMercatorT&&(W=(d.WebMercatorProjection.geodeticLatitudeToMercatorAngle(S.latitude)-l)*g),n.hasGeodeticSurfaceNormals&&(P=h.geodeticSurfaceNormal(D)),t=n.encode(e,t,D,C,S.height,b,W,P)}}function A(e,t){var i;return"function"==typeof e.slice&&"function"!=typeof(i=e.slice()).sort&&(i=void 0),r.defined(i)||(i=Array.prototype.slice.call(e)),i.sort(t),i}return c((function(a,c){var h,u,I=a.quantizedVertices,g=I.length/3,m=a.octEncodedNormals,T=a.westIndices.length+a.eastIndices.length+a.southIndices.length+a.northIndices.length,f=a.includeWebMercatorT,E=a.exaggeration,v=a.exaggerationRelativeHeight,C=1!==E,W=t.Rectangle.clone(a.rectangle),P=W.west,D=W.south,k=W.east,F=W.north,H=t.Ellipsoid.clone(a.ellipsoid),_=a.minimumHeight,G=a.maximumHeight,V=a.relativeToCenter,Y=s.Transforms.eastNorthUpToFixedFrame(V,H),O=t.Matrix4.inverseTransformation(Y,new t.Matrix4);f&&(h=d.WebMercatorProjection.geodeticLatitudeToMercatorAngle(D),u=1/(d.WebMercatorProjection.geodeticLatitudeToMercatorAngle(F)-h));var B=I.subarray(0,g),R=I.subarray(g,2*g),L=I.subarray(2*g,3*g),j=r.defined(m),U=new Array(g),z=new Array(g),q=new Array(g),Q=f?new Array(g):[],K=C?new Array(g):[],X=N;X.x=Number.POSITIVE_INFINITY,X.y=Number.POSITIVE_INFINITY,X.z=Number.POSITIVE_INFINITY;var Z=w;Z.x=Number.NEGATIVE_INFINITY,Z.y=Number.NEGATIVE_INFINITY,Z.z=Number.NEGATIVE_INFINITY;for(var J=Number.POSITIVE_INFINITY,$=Number.NEGATIVE_INFINITY,ee=Number.POSITIVE_INFINITY,te=Number.NEGATIVE_INFINITY,re=0;re<g;++re){var ie=B[re],ne=R[re],oe=ie/p,ae=ne/p,se=o.CesiumMath.lerp(_,G,L[re]/p);S.longitude=o.CesiumMath.lerp(P,k,oe),S.latitude=o.CesiumMath.lerp(D,F,ae),S.height=se,J=Math.min(S.longitude,J),$=Math.max(S.longitude,$),ee=Math.min(S.latitude,ee),te=Math.max(S.latitude,te);var de=H.cartographicToCartesian(S);U[re]=new t.Cartesian2(oe,ae),z[re]=se,q[re]=de,f&&(Q[re]=(d.WebMercatorProjection.geodeticLatitudeToMercatorAngle(S.latitude)-h)*u),C&&(K[re]=H.geodeticSurfaceNormal(de)),t.Matrix4.multiplyByPoint(O,de,y),t.Cartesian3.minimumByComponent(y,X,X),t.Cartesian3.maximumByComponent(y,Z,Z)}var ce,he=A(a.westIndices,(function(e,t){return U[e].y-U[t].y})),ue=A(a.eastIndices,(function(e,t){return U[t].y-U[e].y})),Ie=A(a.southIndices,(function(e,t){return U[t].x-U[e].x})),le=A(a.northIndices,(function(e,t){return U[e].x-U[t].x}));_<0&&(ce=new i.EllipsoidalOccluder(H).computeHorizonCullingPointPossiblyUnderEllipsoid(V,q,_));var ge=_;ge=Math.min(ge,M(a.westIndices,a.westSkirtHeight,z,U,W,H,O,X,Z)),ge=Math.min(ge,M(a.southIndices,a.southSkirtHeight,z,U,W,H,O,X,Z)),ge=Math.min(ge,M(a.eastIndices,a.eastSkirtHeight,z,U,W,H,O,X,Z)),ge=Math.min(ge,M(a.northIndices,a.northSkirtHeight,z,U,W,H,O,X,Z));for(var me=new e.AxisAlignedBoundingBox(X,Z,V),Te=new i.TerrainEncoding(V,me,ge,G,Y,j,f,C,E,v),fe=Te.stride,Ee=new Float32Array(g*fe+T*fe),ve=0,pe=0;pe<g;++pe){if(j){var ye=2*pe;b.x=m[ye],b.y=m[ye+1]}ve=Te.encode(Ee,ve,q[pe],U[pe],z[pe],b,Q[pe],K[pe])}var Ne=Math.max(0,2*(T-4)),we=a.indices.length+3*Ne,Se=n.IndexDatatype.createTypedArray(g+T,we);Se.set(a.indices,0);var be=1e-4,Me=($-J)*be,xe=(te-ee)*be,Ae=-Me,Ce=Me,We=xe,Pe=-xe,De=g*fe;return x(Ee,De,he,Te,z,U,m,H,W,a.westSkirtHeight,h,u,Ae,0),x(Ee,De+=a.westIndices.length*fe,Ie,Te,z,U,m,H,W,a.southSkirtHeight,h,u,0,Pe),x(Ee,De+=a.southIndices.length*fe,ue,Te,z,U,m,H,W,a.eastSkirtHeight,h,u,Ce,0),x(Ee,De+=a.eastIndices.length*fe,le,Te,z,U,m,H,W,a.northSkirtHeight,h,u,0,We),l.addSkirtIndices(he,Ie,ue,le,g,Se,a.indices.length),c.push(Ee.buffer,Se.buffer),{vertices:Ee.buffer,indices:Se.buffer,westIndicesSouthToNorth:he,southIndicesEastToWest:Ie,eastIndicesNorthToSouth:ue,northIndicesWestToEast:le,vertexStride:fe,center:V,minimumHeight:_,maximumHeight:G,occludeePointInScaledSpace:ce,encoding:Te,indexCountWithoutSkirts:a.indices.length}}))}));