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- define(["exports","./Cartesian3-7e9cc2ff","./Matrix2-e3fb4559","./defaultValue-81eec7ed","./Check-741c5f3c","./Math-5f585871"],(function(e,t,i,o,a,r){"use strict";function n(e){this._ellipsoid=o.defaultValue(e,i.Ellipsoid.WGS84),this._semimajorAxis=this._ellipsoid.maximumRadius,this._oneOverSemimajorAxis=1/this._semimajorAxis}Object.defineProperties(n.prototype,{ellipsoid:{get:function(){return this._ellipsoid}}}),n.mercatorAngleToGeodeticLatitude=function(e){return r.CesiumMath.PI_OVER_TWO-2*Math.atan(Math.exp(-e))},n.geodeticLatitudeToMercatorAngle=function(e){e>n.MaximumLatitude?e=n.MaximumLatitude:e<-n.MaximumLatitude&&(e=-n.MaximumLatitude);const t=Math.sin(e);return.5*Math.log((1+t)/(1-t))},n.MaximumLatitude=n.mercatorAngleToGeodeticLatitude(Math.PI),n.prototype.project=function(e,i){const a=this._semimajorAxis,r=e.longitude*a,u=n.geodeticLatitudeToMercatorAngle(e.latitude)*a,d=e.height;return o.defined(i)?(i.x=r,i.y=u,i.z=d,i):new t.Cartesian3(r,u,d)},n.prototype.unproject=function(e,t){const a=this._oneOverSemimajorAxis,r=e.x*a,u=n.mercatorAngleToGeodeticLatitude(e.y*a),d=e.z;return o.defined(t)?(t.longitude=r,t.latitude=u,t.height=d,t):new i.Cartographic(r,u,d)},e.WebMercatorProjection=n}));
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