[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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