On Fri, May 15, 2015 at 11:48 AM, Even Rouault <even.roua...@spatialys.com> wrote: > Dennis, > > https://www.digitalglobe.com/sites/default/files/ISD_External.pdf indeed > confirms your findings (page 37 & 38, doc of originX and ulX) >
on http://www.gdal.org/formats_list.html there isn't an entry to til format or I'm mistaken? > Fixed per http://trac.osgeo.org/gdal/ticket/5961 > > Even > >> Hey guys, >> >> >> >> We have DigitalGlobe image strips which come with a *.til file. >> >> The geotransform of the til and the separate images have a shift of half a >> pixel when opened with GDAL. >> >> The reason is that in the GDAL TIL driver the coordinates are treated as >> outer pixel edge, where as it seems like they describe the pixel center, at >> least in our cases. >> >> Does anyone know of a description for the TIL format to verify if the GDAL >> driver or the TILs from DigitalGlobe are wrong? >> >> For now we fixed it on our side, but you might consider changing the TIL >> driver to treat the coordinates as pixel center. >> >> >> >> Best Regards, >> >> Dennis >> > > > -- > Spatialys - Geospatial professional services > http://www.spatialys.com > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev