On samedi 24 novembre 2018 16:27:33 CET Markus Metz wrote: > I have a NetCDF file with west > east, gdalinfo reports > Corner Coordinates: > Upper Left ( 335.257, 70.000) > Lower Left ( 335.257, 30.000) > Upper Right ( 44.7424710, 69.9999970) > Lower Right ( 44.7424710, 29.9999954) > Center ( 190.000, 50.000) > > west = 335.257 > east = 44.7424710 > > The reason is that west has been wrapped such that it is in the range [0, > 360], and GDAL thinks that columns need to be read from right to left > instead of left to right. > > The fix is to convert west with west -= 360, then assign corrected extents > with gdal_translate -a_ullr > > There is a config option GDAL_NETCDF_BOTTOMUP. Could something similar be > implemented for west > east, something like GDAL_NETCDF_LEFTISLEFT? Or is > it a corrupted file and manual correction is the only option?
Couldn't find anything related mentionned in the CF convention, but that doesn't make that file illegal. I guess that could be auto-corrected by detecting there's a discontinuity in the values of the longitude variable. Even -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev