Il giorno Fri, 29 May 2009 20:17:07 +0200 Even Rouault <even.roua...@mines-paris.org> ha scritto:
> Antonio, > > The behaviour you get is more or less expected. Generally in GDAL, > either you have a geotransform with its projection, either you have > GCPs with their associated projection. But having both at the same > time isn't really supported. The fact that the VRT seems to accept > that is more an accident than a feature I think. > As far as GeoTIFF is concerned, it's not a restriction of the driver, > as the specification clearly doesn't support that. To make it short : > you can have only one GeoTag that defines the projection, and you can > have, either a tiepoint and the pixel size, either the geotransform > matrix, either a list of GCP. See > http://www.remotesensing.org/geotiff/spec/geotiff2.6.html#2.6.1 > > Even OK, thanks Even. -- Antonio Valentino _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev