Gregor Fikoczek wrote :
3.) using towgs-option (Transform-Parameter)
ogr2ogr -s_srs "+proj=tmerc +lat_0=0 +lon_0=6 +x_0=2500000 +y_0=0
+ellps=bessel +units=m
+towgs84=590.1181,99.6226,340.1890,1.185095,-1.334952,-2.904521,1.00001651559" -t_srs "+proj=utm
+ellps=GRS80 +datum=WGS84 +zone=32" -f GML points_7P_gdal.gml points.gml
-----------------------------------------------------------------------------------------------------------
Results | difference
East[m] | North[m] | E | N |
distance
-----------------------------------------------------------------------------------------------------------
340408,056 | 5617072,821 | -0,023 | -0,334 | 0,334
342695,237 | 5614820,058 | -0,007 | -0,309 | 0,309
343584,897 | 5608927,933 | 0,004 | -0,295 | 0,295
Parameter:
dX +590.1181m
dY +99.6226 m
dZ +340.1890 m
rX +1.185095"
rY -1.334952"
rZ -2.904521"
dm = 1.00001651559
Hello,
Where did you find these parameters ? The EPSG database gives these ones :
dX 598.1
dY 73.7
dZ 418.2
rX 0.202
rY 0.045
rZ -2.455
dm 6.7
Regards,
Jean-Claude
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