Dataset ds1 = memDriver.Create("mem", 100, 100);
ds1.SetGeoTransform(new double[] { 2, 0.01, 0, 49, 0, -0.01 });
SpatialReference sr1 = new SpatialReference();
sr1.ImportFromEPSG(4326);
Dataset ds2 = memDriver.Create("mem2", 100, 100);
ds2.SetGeoTransform(new double[] { 400000, 1000, 0, 5500000, 0, -1000 });
SpatialReference sr2 = new SpatialReference();
sr2.ImportFromEPSG(32631);
Vector options = new Vector();