private byte[] transform(string wktTo, string wktFrom)
{
if (importLayer == null)
{
return(null);
}
SpatialReference srFrom = null;
double[] toWGS84Data = new double[7];
if (wktFrom == null)
{
srFrom = importLayer.GetSpatialRef();
}
else
{
srFrom = new SpatialReference(wktFrom);
}
srFrom.GetTOWGS84(toWGS84Data);
if (toWGS84Data[0] == 0)
{
srFrom.SetTOWGS84(24, -123, -94, 0.02, -0.25, -0.13, 1.1);
}
var geom = importerCurrentFeature.GetGeometryRef();
if (importLayer.GetSpatialRef() == null)
{
geom.AssignSpatialReference(srFrom);
}
SpatialReference srTo = new SpatialReference(wktTo);
srTo.GetTOWGS84(toWGS84Data);
if (toWGS84Data[0] == 0)
{
srTo.SetTOWGS84(24, -123, -94, 0.02, -0.25, -0.13, 1.1);
}
byte[] wkb = null;
//sr.SetTOWGS84(24, -123, -94, 0.02, -0.25, -0.13, 1.1);
if (geom != null)
{
string srFromWKT, srToWKT;
srFrom.ExportToWkt(out srFromWKT);
srTo.ExportToWkt(out srToWKT);
if (srFromWKT != srToWKT)
{
geom.TransformTo(srTo);
}
wkb = new byte[geom.WkbSize()];
geom.ExportToWkb(wkb);
}
geom.Dispose();
return(wkb);
}