[Gvsig_english] generating .asc files creates odd values?
Agustin Diez Castillo
adiez at uv.es
Tue Nov 23 18:11:58 CET 2010
On Nov 23, 2010, at 2:21 PM, triestem wrote:
>
> Hello list,
>
> Beginning with a DEM, I'm converting to %slope, then reclassifying slope to
> a simple system (with reclassed values of only 1, 5, 8, and 10) reflecting
> landscape resistance for a particular species. When I reclassify I also
> generate a .asc grid for analysis in another program. However, I've noticed
> that my .asc grid (reclassed slope) has strange values--for example:
> 18182.473, 18183.445, 20390.115, 14417.989. This grid should contain only
> 1, 5, 8, 10, and my NoData value, correct? Does anyone have any idea what
> is generating these large numbers?
>
Maybe these data where already in %slope, did you check?
> On a related note, my slope and reclassed slope rasters look
> incomplete--they have NoData values where they shouldn't. I feel as though
> I'm missing something obvious, but I haven't been able to solve it, and any
> help would be very much appreciated.
>
> Thanks!
>
> --
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