Some things come to mind: 1) The resolution has changed 2) the number of bits per pixel has changed 3) the region of the reprojected file is bigger than the original file so you have lots of nulls.
Daniel On Wed, Mar 14, 2012 at 12:28 PM, Rich Shepard <[email protected]> wrote: > I have a source 28M DEM in a directory with geographic coordinates in > Lat/Long. When I re-project that to another location and dataset with > Lambert Conformal Conic projection the disk space consumed bloats to 106G. > That's more than a 20x increase. Why? > > In the destination location/directory there's no .tmp/ subdirectory with a > huge file. > > Rich > > > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
