Or add extra info to http://trac.osgeo.org/gdal/ticket/2637 which seems to be about the same issue
Le Wednesday 09 June 2010 20:28:57 Frank Warmerdam, vous avez écrit : > António Rocha wrote: > > Greetings > > > > I'm using GDAL to pre-process a few GRIB files and compare it with > > tkdegrib and I realized that GDAL processing GRIBs have a displacement > > of a nearly 0,5 pixel SE. I'm using GDAL 1.7.1, released 2010/02/08 . Is > > there any fix for this issue/problem? > > António, > > You could try filing a ticket with the file, and a description of why > you are convinced it is off by half a pixel. Keep in mind that GDAL's > georeferencing model has the origin at the top left corner of the top > left pixel while some raster data/products treats the origin as being at > the center of the top left pixel (or you can think of it as considering > the pixels as point). > > Best regards, _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev