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- import{a as c,b as p,c as f}from"./chunk-4ZQSV4FU.js";import{a as d}from"./chunk-CLQ5X6HS.js";import{a as u}from"./chunk-FOJGNIAW.js";import{a as s}from"./chunk-UGI536VH.js";import{e as a}from"./chunk-BQUQ5TPM.js";function e(t){this._ellipsoid=u(t,f.WGS84),this._semimajorAxis=this._ellipsoid.maximumRadius,this._oneOverSemimajorAxis=1/this._semimajorAxis}Object.defineProperties(e.prototype,{ellipsoid:{get:function(){return this._ellipsoid}}});e.mercatorAngleToGeodeticLatitude=function(t){return d.PI_OVER_TWO-2*Math.atan(Math.exp(-t))};e.geodeticLatitudeToMercatorAngle=function(t){t>e.MaximumLatitude?t=e.MaximumLatitude:t<-e.MaximumLatitude&&(t=-e.MaximumLatitude);let i=Math.sin(t);return .5*Math.log((1+i)/(1-i))};e.MaximumLatitude=e.mercatorAngleToGeodeticLatitude(Math.PI);e.prototype.project=function(t,i){let o=this._semimajorAxis,r=t.longitude*o,n=e.geodeticLatitudeToMercatorAngle(t.latitude)*o,m=t.height;return a(i)?(i.x=r,i.y=n,i.z=m,i):new c(r,n,m)};e.prototype.unproject=function(t,i){if(!a(t))throw new s("cartesian is required");let o=this._oneOverSemimajorAxis,r=t.x*o,n=e.mercatorAngleToGeodeticLatitude(t.y*o),m=t.z;return a(i)?(i.longitude=r,i.latitude=n,i.height=m,i):new p(r,n,m)};var L=e;export{L as a};
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