//单点-正投影 public PointF GetXYFromLatLon(PointF pointOrg, MapHandle.config.ProjPara proj) { pointOrg.X = (float)(pointOrg.X * DEG2RAD); pointOrg.Y = (float)(pointOrg.Y * DEG2RAD); //投影参数初始化 IntPtr pj = ProjWrapper.pj_init_plus(getSrcProj(proj)); projUV temp = new projUV(pointOrg.X, pointOrg.Y); projUV coord = ProjWrapper.pj_fwd(temp, pj); PointF pointPrj = new PointF(); pointPrj.X = (float)(coord.U); pointPrj.Y = (float)(coord.V); return(pointPrj); }