Hi,

I have two rasters. One is an elevation dataset from Worldclim, imported into 
GRASS using r.in.bin. The other is a MODIS raster, which I had previously 
worked on in ArcGIS. Consequently, I imported this raster (.adf) into GRASS 
using r.in.gdal. Both rasters display and manipulate properly in GRASS. I used 
r.mapcalc to mask the raster

newelevation=if(studya...@mapset, elevat...@mapset)

and wished to export this new raster as an ascii grid. When using either 
r.out.gdal or r.out.arc, the exported file is only 1KB and does not contain any 
data e.g. elevations). (Again, this new raster displays fine in GRASS). With 
r.out.gdal, I have tried both .grd and .tif formats as well as “byte,” “int16,” 
“uint16” and “int32” file types. Every time the export takes 0 sec and produces 
a 1-2KB file.

I have tried exporting elevation.dem from the spearfish dataset and it exports 
fine. I'm using GRASS6-SVN on Windows Vista.

What am I doing wrong?


Richard Feldman_______________________________________________
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