public void TestxytoBl()
{
{
//B = 21 ◦ 58 ′ 47.0845 ′′ ,L = 113 ◦ 25 ′ 31.4880 ′′ ，
IProj proj = new GaussProj(Spheroid.CreateBeiJing1954());
double x = 2433586.692, y = 250547.403;
proj.xytoBl(x, y, out double B, out double l, out _, out _);
B = SurMath.RADtoDMS(B);
l = SurMath.RADtoDMS(l);
Assert.AreEqual(21.58470845, B, 1e-8);
Assert.AreEqual(2.25314880, l, 1e-8);
}
}
