On Thu, Dec 25, 2014 at 2:20 AM, Jeshua Lacock <[email protected]> wrote: > >> On Dec 24, 2014, at 5:10 PM, Jeshua Lacock <[email protected]> wrote: >> >> I was following along the Large raster data processing wiki with great >> interest: >> >> My question is, when tiles are merged in GRASS using a virtual mosaic >> created with gdalbuildvrt, will transparent map collars be preserved? I see >> the man page for r.external talks about the requirement to build a mask or >> use r.mapcalc, but I don’t understand how I would apply that to a virtual >> mosaic. Is > > It appears that GDAL_TIFF_INTERNAL_MASK may be just what I need to use. I > wonder if that option is respected using r.external? Thanks!
I suppose that would apply to r.external.out as it seems to be related to the creation of GeoTIFF (see http://www.gdal.org/frmt_gtiff.html). Markus _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
