2 lines
18 KiB
JavaScript
2 lines
18 KiB
JavaScript
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define(["./when-cbf8cd21","./Check-35e1a91d","./Math-e66fad2a","./Cartesian2-44433f55","./Transforms-d9350502","./RuntimeError-f4c64df1","./WebGLConstants-95ceb4e9","./ComponentDatatype-7ee14e67","./GeometryAttribute-424f2c6a","./EncodedCartesian3-86f19ac2","./IntersectionTests-d04ec592","./Plane-94f78648","./WebMercatorProjection-c689ba4a","./arrayRemoveDuplicates-b817241d","./ArcType-2b58731c","./EllipsoidRhumbLine-862a2df4","./EllipsoidGeodesic-7779e55a"],function(j,e,He,Be,je,a,t,Ge,Ve,Ye,G,i,n,V,Y,F,E){"use strict";function r(e){e=j.defaultValue(e,j.defaultValue.EMPTY_OBJECT),this._ellipsoid=j.defaultValue(e.ellipsoid,Be.Ellipsoid.WGS84),this._rectangle=j.defaultValue(e.rectangle,Be.Rectangle.MAX_VALUE),this._projection=new je.GeographicProjection(this._ellipsoid),this._numberOfLevelZeroTilesX=j.defaultValue(e.numberOfLevelZeroTilesX,2),this._numberOfLevelZeroTilesY=j.defaultValue(e.numberOfLevelZeroTilesY,1)}Object.defineProperties(r.prototype,{ellipsoid:{get:function(){return this._ellipsoid}},rectangle:{get:function(){return this._rectangle}},projection:{get:function(){return this._projection}}}),r.prototype.getNumberOfXTilesAtLevel=function(e){return this._numberOfLevelZeroTilesX<<e},r.prototype.getNumberOfYTilesAtLevel=function(e){return this._numberOfLevelZeroTilesY<<e},r.prototype.rectangleToNativeRectangle=function(e,a){var t=He.CesiumMath.toDegrees(e.west),n=He.CesiumMath.toDegrees(e.south),r=He.CesiumMath.toDegrees(e.east),i=He.CesiumMath.toDegrees(e.north);return j.defined(a)?(a.west=t,a.south=n,a.east=r,a.north=i,a):new Be.Rectangle(t,n,r,i)},r.prototype.tileXYToNativeRectangle=function(e,a,t,n){var r=this.tileXYToRectangle(e,a,t,n);return r.west=He.CesiumMath.toDegrees(r.west),r.south=He.CesiumMath.toDegrees(r.south),r.east=He.CesiumMath.toDegrees(r.east),r.north=He.CesiumMath.toDegrees(r.north),r},r.prototype.tileXYToRectangle=function(e,a,t,n){var r=this._rectangle,i=this.getNumberOfXTilesAtLevel(t),s=this.getNumberOfYTilesAtLevel(t),o=r.width/i,l=e*o+r.west,u=(e+1)*o+r.west,c=r.height/s,C=r.north-a*c,p=r.north-(a+1)*c;return j.defined(n)||(n=new Be.Rectangle(l,p,u,C)),n.west=l,n.south=p,n.east=u,n.north=C,n},r.prototype.positionToTileXY=function(e,a,t){var n=this._rectangle;if(Be.Rectangle.contains(n,e)){var r=this.getNumberOfXTilesAtLevel(a),i=this.getNumberOfYTilesAtLevel(a),s=n.width/r,o=n.height/i,l=e.longitude;n.east<n.west&&(l+=He.CesiumMath.TWO_PI);var u=(l-n.west)/s|0;r<=u&&(u=r-1);var c=(n.north-e.latitude)/o|0;return(i<=c&&(c=i-1),j.defined(t))?(t.x=u,t.y=c,t):new Be.Cartesian2(u,c)}};var u=new Be.Cartesian3,c=new Be.Cartesian3,C=new Be.Cartographic,p=new Be.Cartesian3,d=new Be.Cartesian3,o=new je.BoundingSphere,h=new r,g=[new Be.Cartographic,new Be.Cartographic,new Be.Cartographic,new Be.Cartographic],f=new Be.Cartesian2,Fe={};function m(e){Be.Cartographic.fromRadians(e.east,e.north,0,g[0]),Be.Cartographic.fromRadians(e.west,e.north,0,g[1]),Be.Cartographic.fromRadians(e.east,e.south,0,g[2]),Be.Cartographic.fromRadians(e.west,e.south,0,g[3]);for(var a=0,t=0,n=0,r=0,i=Fe._terrainHeightsMaxLevel,s=0;s<=i;++s){for(var o=!1,l=0;l<4;++l){var u=g[l];if(h.positionToTileXY(u,s,f),0===l)n=f.x,r=f.y;else if(n!==f.x||r!==f.y){o=!0;break}}if(o)break;a=n,t=r}if(0!==s)return{x:a,y:t,level:i<s?i:s-1}}Fe.initialize=function(){var e=Fe._initPromise;return j.defined(e)?e:(e=je.Resource.fetchJson(je.buildModuleUrl("Assets/approximateTerrainHeights.json")).then(function(e){Fe._terrainHeights=e}),Fe._initPromise=e)},Fe.getMinimumMaximumHeights=function(e,a){a=j.defaultValue(a,Be.Ellipsoid.WGS84);var t,n,r,i,s=m(e),o=Fe._defaultMinTerrainHeight,l=Fe._defaultMaxTerrainHeight;return j.defined(s)&&(t=s.level+"-"+s.x+"-"+s.y,n=Fe._terrainHeights[t],j.defined(n)&&(o=n[0],l=n[1]),a.cartographicToCartesian(Be.Rectangle.northeast(e,C),u),a.cartographicToCartesian(Be.Rectangle.southwest(e,C),c),Be.Cartesian3.midpoint(c,u,p),r=a.scaleToGeodeticSurface(p,d),o=j.defined(r)?(i=Be.Cartesian3.distance(p,r),Math.min(o,-i)):Fe._defaultMinTerrainHeight),{minimumTerrainHeight:o=Math.max(Fe._defaultMinTerrainHeight,o),maximumTerra
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