27 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
		
		
			
		
	
	
			27 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
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								/**
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								 * @license
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								 * Cesium - https://github.com/CesiumGS/cesium
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								 * Version 1.127
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								 *
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								 * Copyright 2011-2022 Cesium Contributors
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								 *
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								 * Licensed under the Apache License, Version 2.0 (the "License");
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								 * you may not use this file except in compliance with the License.
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								 * You may obtain a copy of the License at
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								 *
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								 * http://www.apache.org/licenses/LICENSE-2.0
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								 *
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								 * Unless required by applicable law or agreed to in writing, software
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								 * distributed under the License is distributed on an "AS IS" BASIS,
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								 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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								 * See the License for the specific language governing permissions and
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								 * limitations under the License.
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								 *
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								 * Columbus View (Pat. Pend.)
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								 *
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								 * Portions licensed separately.
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								 * See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
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								 */
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								import{a as y}from"./chunk-NXCJXR6T.js";import{d as j}from"./chunk-OJFQMRFX.js";import{b as d,h as L}from"./chunk-Z527LWHO.js";import{a as R}from"./chunk-XK36GTOK.js";import{a as s,b as W,c as T,d as q}from"./chunk-USIHDKAN.js";import{a as w}from"./chunk-NTNB2RUS.js";import{a as P}from"./chunk-WFRUBKWC.js";import{a as A,b as z}from"./chunk-H5M663KA.js";import{e as l}from"./chunk-IEMGHOZF.js";function x(o,t){z.typeOf.object("ellipsoid",o),this._ellipsoid=o,this._cameraPosition=new s,this._cameraPositionInScaledSpace=new s,this._distanceToLimbInScaledSpaceSquared=0,l(t)&&(this.cameraPosition=t)}Object.defineProperties(x.prototype,{ellipsoid:{get:function(){return this._ellipsoid}},cameraPosition:{get:function(){return this._cameraPosition},set:function(o){let e=this._ellipsoid.transformPositionToScaledSpace(o,this._cameraPositionInScaledSpace),a=s.magnitudeSquared(e)-1;s.clone(o,this._cameraPosition),this._cameraPositionInScaledSpace=e,this._distanceToLimbInScaledSpaceSquared=a}}});var U=new s;x.prototype.isPointVisible=function(o){let e=this._ellipsoid.transformPositionToScaledSpace(o,U);return F(e,this._cameraPositionInScaledSpace,this._distanceToLimbInScaledSpaceSquared)};x.prototype.isScaledSpacePointVisible=function(o){return F(o,this._cameraPositionInScaledSpace,this._distanceToLimbInScaledSpaceSquared)};var at=new s;x.prototype.isScaledSpacePointVisiblePossiblyUnderEllipsoid=function(o,t){let e=this._ellipsoid,a,i;return l(t)&&t<0&&e.minimumRadius>-t?(i=at,i.x=this._cameraPosition.x/(e.radii.x+t),i.y=this._cameraPosition.y/(e.radii.y+t),i.z=this._cameraPosition.z/(e.radii.z+t),a=i.x*i.x+i.y*i.y+i.z*i.z-1):(i=this._cameraPositionInScaledSpace,a=this._distanceToLimbInScaledSpaceSquared),F(o,i,a)};x.prototype.computeHorizonCullingPoint=function(o,t,e){return Q(this._ellipsoid,o,t,e)};var v=q.clone(q.UNIT_SPHERE);x.prototype.computeHorizonCullingPointPossiblyUnderEllipsoid=function(o,t,e,a){let i=Z(this._ellipsoid,e,v);return Q(i,o,t,a)};x.prototype.computeHorizonCullingPointFromVertices=function(o,t,e,a,i){return J(this._ellipsoid,o,t,e,a,i)};x.prototype.computeHorizonCullingPointFromVerticesPossiblyUnderEllipsoid=function(o,t,e,a,i,c){let n=Z(this._ellipsoid,i,v);return J(n,o,t,e,a,c)};var nt=[];x.prototype.computeHorizonCullingPointFromRectangle=function(o,t,e){z.typeOf.object("rectangle",o);let a=L.subsample(o,t,0,nt),i=j.fromPoints(a);if(!(s.magnitude(i.center)<.1*t.minimumRadius))return this.computeHorizonCullingPoint(i.center,a,e)};var st=new s;function Z(o,t,e){if(l(t)&&t<0&&o.minimumRadius>-t){let a=s.fromElements(o.radii.x+t,o.radii.y+t,o.radii.z+t,st);o=q.fromCartesian3(a,e)}return o}function Q(o,t,e,a){z.typeOf.object("directionToPoint",t),z.defined("positions",e),l(a)||(a=new s);let i=Y(o,t),c=0;for(let n=0,r=e.length;n<r;++n){let m=e[n],h=K(o,m,i);if(h<0)return;c=Math.max(c,h)}return X(i,c,a)}var M=new s;function J(o,t,e,a,i,c){z.typeOf.object("directionToPoint",t),z.defined("vertices",e),z.typeOf.number("stride",a),l(c)||(c=new s),a=P(a,3),i=P(i,s.ZERO);let n=Y(o,t),r=0;for(let m=0,h=e.length;m<h;m+=a){M.x=e[m]+i.x,M.y=e[m+1]+i.y,M.z=e[m+2]+i.z;let u=K(o,M,n);if(u<0)return;r=Math.max(r,u)}return X(n,r,c)}function F(o,t,e){let a=t,i=e,c=s.subtract(o,a,U),n=-s.dot(c,a);return!(i<0?n>0:n>i&&n*n/s.magnitudeSquared(c)>i)}var ct=new s,rt=new s;function K(o,t,e){let a=o.transformPositionToScaledSpace(t,ct),i=s.magnitudeSquared(a),c=Math.sqrt(i),n=s.divideByScalar(a,c,rt);i=Math.max(1,i),c=Math.max(1,c);let r=s.dot(n,e),m=s.magnitude(s.cross(n,e,n)),h=1/c,u=Math.sqrt(i-1)*h;return 1/(r*h-m*u)}function X(o,t,e){if(!(t<=0||t===1/0||t!==t))return s.multiplyByScalar(o,t,e)}var D=new s;function Y(o,t){return s.equals(t,s.ZERO)?t:(o.transformPositionToScaledSpace(t,D),s.normalize(D,D))}var Pt=x;var O={};O.getHeight=function(o,t,e){if(!Number.isFinite(t))throw new A("scale must be a finite number.");if(!Number.isFinite(e))throw new A("relativeHeight must be a finite number.");return(o-e)*t+e};var mt=new W;O.getPosition=function(o,t,e,a,i){let c=t.cartesianToCartographic(o,mt);if(!l(c))return s.clone(o,i);let n=O.getHei
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