[GRASS-user] Arcgrid - strange values

Daniel Victoria daniel.victoria at gmail.com
Thu Dec 9 19:41:03 EST 2010


13 digits in integer format? If so, then I don't know if you will need
the dp option (number of decimal places). Did you try to export in
other format (gtif)?

The problem is that a 13 digit number is pretty big so you will have
to choose an adequate raster type (I think double is enough but not
sure). Maybe that's why the values in Arc are different than the
values in Grass


On Sat, Dec 4, 2010 at 3:58 AM, Gabriele N. <gis.gn at libero.it> wrote:
> Hi.
> I am working with colleagues that working on ArcGIS. It 's okay but now I
> have a problem with esri grid.
> I am using to export from GRASS r.out.arc, but the values of the cells in
> arcgis are different from what I read in GRASS.
> The raster has values with 13 digits.
> Here's how I export:
> r.out.arc input=map output=map13.asc dp=13
> I tried to import into ArcGIS as integer or as a float (ArcMap -> Toolbox ->
> Conversion Tools -> To Raster -> ASCII to Raster ).
> Help / advice?
> Thanks
> Gabriele
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