Web Mercator Non-Conformal, Non-Mercator

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public static void XYtoGL(Coordinate coordinate)

{

double R = 6378137;

coordinate.x = coordinate.x / Math.PI * 180.0 / R;

coordinate.y = ((Math.atan(Math.exp(coordinate.y / R)) - Math.PI/4) / Math.PI * 180.0)*2;

}

public static void GLtoXY(Coordinate coordinate)

{

double R = 6378137;

coordinate.x = R * (coordinate.x - 0)/180 * Math.PI;

coordinate.y = R * Math.log(Math.tan(Math.PI/4+coordinate.y/2*Math.PI/180));

}

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