Did you get square degrees back? Project to a meter or feet based projection to get a measure more meaningful.
Cheers, Tyler On 2013-05-28, at 7:14 AM, "Federico Jurio" <federicoju...@suremptec.com.ar> wrote: Dear all, here I am with one question which I'm sure has such a simple answer that I already feel embarassed in advance! Here goes anyway... I'm trying to calculate the area length on a GeoTIFF file using GetArea() method of OGRPolygon class and i'm not sure which is the unit that returns. This is the information about the raster dataset "GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.2572235630016,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433],AUTHORITY[\"EPSG\",\"4326\"]]" Thanks for your patience -- Federico Jurio SUR Emprendimientos Tecnológicos Perú 345 Piso 5to Oficina "B" (C1067AAG) Ciudad de Buenos Aires, Argentina Tel. +54 (11) 4342-2976/84 federicoju...@suremptec.com.ar www.suremptec.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