2 lines
18 KiB
JavaScript
2 lines
18 KiB
JavaScript
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define(["./Transforms-f15de320","./Matrix2-c6c16658","./RuntimeError-5b082e8f","./when-4bbc8319","./ComponentDatatype-3d0a0aac","./ArcType-fc72c06c","./arrayRemoveDuplicates-80a91d16","./EllipsoidGeodesic-2e7ba57d","./EllipsoidRhumbLine-c6741351","./EncodedCartesian3-b1495e46","./GeometryAttribute-8350368e","./IntersectionTests-a4e54d9a","./Plane-26e67b94","./WebMercatorProjection-baa60d8a","./combine-e9466e32","./WebGLConstants-508b9636"],(function(e,t,a,n,i,r,s,o,l,c,u,C,p,d,h,g){"use strict";function f(a){a=n.defaultValue(a,n.defaultValue.EMPTY_OBJECT),this._ellipsoid=n.defaultValue(a.ellipsoid,t.Ellipsoid.WGS84),this._rectangle=n.defaultValue(a.rectangle,t.Rectangle.MAX_VALUE),this._projection=new e.GeographicProjection(this._ellipsoid),this._numberOfLevelZeroTilesX=n.defaultValue(a.numberOfLevelZeroTilesX,2),this._numberOfLevelZeroTilesY=n.defaultValue(a.numberOfLevelZeroTilesY,1)}Object.defineProperties(f.prototype,{ellipsoid:{get:function(){return this._ellipsoid}},rectangle:{get:function(){return this._rectangle}},projection:{get:function(){return this._projection}}}),f.prototype.getNumberOfXTilesAtLevel=function(e){return this._numberOfLevelZeroTilesX<<e},f.prototype.getNumberOfYTilesAtLevel=function(e){return this._numberOfLevelZeroTilesY<<e},f.prototype.rectangleToNativeRectangle=function(e,a){const r=i.CesiumMath.toDegrees(e.west),s=i.CesiumMath.toDegrees(e.south),o=i.CesiumMath.toDegrees(e.east),l=i.CesiumMath.toDegrees(e.north);return n.defined(a)?(a.west=r,a.south=s,a.east=o,a.north=l,a):new t.Rectangle(r,s,o,l)},f.prototype.tileXYToNativeRectangle=function(e,t,a,n){const r=this.tileXYToRectangle(e,t,a,n);return r.west=i.CesiumMath.toDegrees(r.west),r.south=i.CesiumMath.toDegrees(r.south),r.east=i.CesiumMath.toDegrees(r.east),r.north=i.CesiumMath.toDegrees(r.north),r},f.prototype.tileXYToRectangle=function(e,a,i,r){const s=this._rectangle,o=this.getNumberOfXTilesAtLevel(i),l=this.getNumberOfYTilesAtLevel(i),c=s.width/o,u=e*c+s.west,C=(e+1)*c+s.west,p=s.height/l,d=s.north-a*p,h=s.north-(a+1)*p;return n.defined(r)||(r=new t.Rectangle(u,h,C,d)),r.west=u,r.south=h,r.east=C,r.north=d,r},f.prototype.positionToTileXY=function(e,a,r){const s=this._rectangle;if(!t.Rectangle.contains(s,e))return;const o=this.getNumberOfXTilesAtLevel(a),l=this.getNumberOfYTilesAtLevel(a),c=s.width/o,u=s.height/l;let C=e.longitude;s.east<s.west&&(C+=i.CesiumMath.TWO_PI);let p=(C-s.west)/c|0;p>=o&&(p=o-1);let d=(s.north-e.latitude)/u|0;return d>=l&&(d=l-1),n.defined(r)?(r.x=p,r.y=d,r):new t.Cartesian2(p,d)};const m=new t.Cartesian3,w=new t.Cartesian3,y=new t.Cartographic,M=new t.Cartesian3,T=new t.Cartesian3,E=new e.BoundingSphere,_=new f,O=[new t.Cartographic,new t.Cartographic,new t.Cartographic,new t.Cartographic],b=new t.Cartesian2,P={};function A(e){t.Cartographic.fromRadians(e.east,e.north,0,O[0]),t.Cartographic.fromRadians(e.west,e.north,0,O[1]),t.Cartographic.fromRadians(e.east,e.south,0,O[2]),t.Cartographic.fromRadians(e.west,e.south,0,O[3]);let a=0,n=0,i=0,r=0;const s=P._terrainHeightsMaxLevel;let o;for(o=0;o<=s;++o){let e=!1;for(let t=0;t<4;++t){const a=O[t];if(_.positionToTileXY(a,o,b),0===t)i=b.x,r=b.y;else if(i!==b.x||r!==b.y){e=!0;break}}if(e)break;a=i,n=r}if(0!==o)return{x:a,y:n,level:o>s?s:o-1}}P.initialize=function(){let t=P._initPromise;return n.defined(t)||(t=e.Resource.fetchJson(e.buildModuleUrl("Assets/approximateTerrainHeights.json")).then((function(e){P._terrainHeights=e})),P._initPromise=t),t},P.getMinimumMaximumHeights=function(e,a){a=n.defaultValue(a,t.Ellipsoid.WGS84);const i=A(e);let r=P._defaultMinTerrainHeight,s=P._defaultMaxTerrainHeight;if(n.defined(i)){const o=`${i.level}-${i.x}-${i.y}`,l=P._terrainHeights[o];n.defined(l)&&(r=l[0],s=l[1]),a.cartographicToCartesian(t.Rectangle.northeast(e,y),m),a.cartographicToCartesian(t.Rectangle.southwest(e,y),w),t.Cartesian3.midpoint(w,m,M);const c=a.scaleToGeodeticSurface(M,T);if(n.defined(c)){const e=t.Cartesian3.distance(M,c);r=Math.min(r,-e)}else r=P._defaultMinTerrainHeight}return r=Math.max(P._defaultMinTerrainHeight,r),{minimumTerrainHeight:r,maximumTerrainH
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