//private static bool temp = true;
/// <summary>
/// This function transforms geographic lat/longs to projected hauß krüger coordinates
/// using the GDAL library (which uses Proj4)
/// </summary>
/// <param name="x">Geographic Latitude</param>
/// <param name="y">Geographic Longtitude</param>
/// <param name="stripe"></param>
/// <returns></returns>
public static GKCoord GeoGkGDAL(double x, double y, int stripe)
{
GKCoord gkCoord;
lock (mapPanelLock)
{
if (GDALCoordTransformer == IntPtr.Zero)
{
GDALCoordTransformer = GetNewCoordTransformer();
}
gkCoord = new GKCoord();
if (GDALCoordTransformer == IntPtr.Zero)
{
MessageBox.Show("Fehler 0x1283: Fehler bei Koordinatenumrechnung.");
}
else
{
IntPtr coordPtr = Transform(GDALCoordTransformer, x, y);
Coord coord = new Coord();
Marshal.PtrToStructure(coordPtr, coord);
deleteGKCoordPointer(GDALCoordTransformer, coordPtr);
gkCoord.r_value = coord.x;
gkCoord.h_value = coord.y;
gkCoord.stripe = stripe;
}
}
return(gkCoord);
}
public static PointD calculateDisplayCoords(GKCoord gk, double dX, double dY, double scale)
{
PointD p;
p.x = gk.r_value * scale - dX;
p.y = -(gk.h_value * scale - dY);
return(p);
}
