Even Rouault-2 wrote >> >> content of 6617-04.eww: >> >> 0.2 >> 0.0 >> 0.0 >> -0.2 >> 653750.1 >> 169999.9 >> >> following geotransform item added to 6617-04.ecw.aux.xml: >> >> > <PAMDataset> >> > <GeoTransform> > 653750.1,0.2,0,169999.9,0,-0.2 > </GeoTransform> > --> This is not the more accurate translation from worldfile convention to > GDAL > convention. The coordinates of the top-left pixel in worldfiles are the > center > of pixel. In GDAL convention, it is the top-left corner of the top-left > pixel, > hence a half-pixel shift. So in GDAL, the GeoTransform should be: > <GeoTransform> > 653750,0.2,0,170000,0,-0.2 > </GeoTransform>
thanks again for the hint about the center/top-left pixel issue. ----- best regards Helmut -- View this message in context: http://osgeo-org.1560.x6.nabble.com/ecw-file-wrong-extent-corner-coordinates-tp5232129p5232261.html Sent from the GDAL - Dev mailing list archive at Nabble.com. _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
