//单点-反投影
public PointF GetLatLonFromXY(PointF pointXY, MapHandle.config.ProjPara proj)
{
//投影参数初始化
PointF result = new PointF();
IntPtr pj = ProjWrapper.pj_init_plus(getSrcProj(proj));
projUV temp = new projUV(pointXY.X, pointXY.Y);
projUV coord = ProjWrapper.pj_inv(temp, pj);
result.X = (float)(coord.U);
result.Y = (float)(coord.V);
result.X = (float)(result.X * RAD2DEG);
result.Y = (float)(result.Y * RAD2DEG);
return(result);
}
