26 lines
2.0 KiB
JavaScript
26 lines
2.0 KiB
JavaScript
/**
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* @license
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* Cesium - https://github.com/CesiumGS/cesium
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* Version 1.98
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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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define(["exports","./Matrix2-cf4c6e69","./defaultValue-50f7432c","./ComponentDatatype-9b23164a"],(function(t,e,i,o){"use strict";function a(t){this._ellipsoid=i.defaultValue(t,e.Ellipsoid.WGS84),this._semimajorAxis=this._ellipsoid.maximumRadius,this._oneOverSemimajorAxis=1/this._semimajorAxis}Object.defineProperties(a.prototype,{ellipsoid:{get:function(){return this._ellipsoid}}}),a.mercatorAngleToGeodeticLatitude=function(t){return o.CesiumMath.PI_OVER_TWO-2*Math.atan(Math.exp(-t))},a.geodeticLatitudeToMercatorAngle=function(t){t>a.MaximumLatitude?t=a.MaximumLatitude:t<-a.MaximumLatitude&&(t=-a.MaximumLatitude);const e=Math.sin(t);return.5*Math.log((1+e)/(1-e))},a.MaximumLatitude=a.mercatorAngleToGeodeticLatitude(Math.PI),a.prototype.project=function(t,o){const n=this._semimajorAxis,r=t.longitude*n,u=a.geodeticLatitudeToMercatorAngle(t.latitude)*n,d=t.height;return i.defined(o)?(o.x=r,o.y=u,o.z=d,o):new e.Cartesian3(r,u,d)},a.prototype.unproject=function(t,o){const n=this._oneOverSemimajorAxis,r=t.x*n,u=a.mercatorAngleToGeodeticLatitude(t.y*n),d=t.z;return i.defined(o)?(o.longitude=r,o.latitude=u,o.height=d,o):new e.Cartographic(r,u,d)},t.WebMercatorProjection=a}));
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