/// <summary>
/// 构造函数
/// </summary>
/// <param name="elp">椭球类型</param>
/// <param name="a">椭球参数a(如果为自定义的椭球)</param>
/// <param name="b">椭球参数b(如果为自定义的椭球)</param>
public CoordinateTrans(Ellipse elp,double a=0,double b=0)
{
ep = new Ellipsoid();
switch (elp)
{
case Ellipse.International1975: ep.International_ellipsoid1975(); break;
case Ellipse.WGS84: ep.WGS84_ellipsoid(); break;
case Ellipse.CGCS2000: ep.CGCS2000_ellipsoid(); break;
case Ellipse.Other: ep = new Ellipsoid(a, b); break;
}
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="elp">常用椭球类型</param>
/// <param name="a">椭球参数a(如果为自定义的椭球)</param>
/// <param name="b">椭球参数b(如果为自定义的椭球)</param>
public GaussProjection(Ellipse elp, double a = 0, double b = 0)
{
ep = new Ellipsoid();
switch (elp)
{
case Ellipse.International1975: ep.International_ellipsoid1975(); break;
case Ellipse.WGS84: ep.WGS84_ellipsoid(); break;
case Ellipse.CGCS2000: ep.CGCS2000_ellipsoid(); break;
case Ellipse.Other: ep = new Ellipsoid(a, b); break;
}
}