On Tue, 26 Jan 2010, Rich Shepard wrote:
I have a 10m DEM and tried running r.slope.aspect on it. The output files
(one each for slope and aspect) look like static divided into square cells.
The same problem occurs when I refine the resolution to 1m. I believe that
Markus N. wrote a comment about this but I don't have that message.
When I run nviz on the same raster map I also get screwey results. I've no
idea what's going on. Here's the results of r.info on that map:
Layer: aberDEM Date: Tue Dec 29 14:05:59 2009
Mapset: beaver_lake Login of Creator: rshepard
Location: Oregon
DataBase: /usr4/grassbase/.
Title: Northwest Oregon 10m DEM ( dem )
Timestamp: none
----------------------------------------------------------------------------
Type of Map: raster Number of Categories: 5729
Data Type: CELL
Rows: 7372
Columns: 14816
Total Cells: 109223552
Projection: Lambert Conformal Conic
N: 1334419.15160578 S: 1279151.24118496 Res: 7.49700358
E: 819255.92362222 W: 769192.92822895 Res: 3.37898187
Range of data: min = 7 max = 1476
Data Description:
generated by r.in.gdal
Comments:
r.in.gdal input="/usr4/dem10m-or/hdr.adf" output="dem" title="Northwest Oregon 10m
DEM"
Rich
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