Hi ,
i don't unterstand , why the Coordinate Transformation works for UTM
(epsg:32632) and not for Gauss-Krueger.
For Gauss-Krueger x and y-axis are swapped.
So if I use shape files from different sources (UTM and GK), the Shapes
are orthogonal.
I think it comes down to the following problem:
public static void main(String args[]) throws Exception {
CoordinateReferenceSystem sourceCRS = CRS.decode("EPSG:4326");
CoordinateReferenceSystem gkCRS = CRS.decode("EPSG:31467");
CoordinateReferenceSystem utmCRS = CRS.decode("EPSG:32632");
MathTransform gkTrans = CRS.findMathTransform(sourceCRS, gkCRS);
MathTransform utmTrans = CRS.findMathTransform(sourceCRS, utmCRS);
Coordinate pt1 = new Coordinate(48,12);
System.out.println("GK:"+JTS.transform(pt1, null,gkTrans));
System.out.println("UTM:"+JTS.transform(pt1, null,utmTrans));
}
Result:
GK:(5322344.720824972, 3723943.4447664334, NaN)
UTM:(723775.9153987231, 5320655.789192752, NaN)
should be:
GK: (3723943.4447664334, 5322344.720824972, NaN)
UTM:( 723775.9153987231, 5320655.789192752, NaN)
Thanks for any suggestions.
Greetings Rainer Suddendorf
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