[GRASS-user] Potential bug: 7.3.svn r70787

Markus Neteler neteler at osgeo.org
Mon Mar 27 13:04:27 PDT 2017


On Thu, Mar 23, 2017 at 10:38 PM, Rich Shepard <rshepard at appl-ecosys.com> wrote:
>   These are the eastings, northings, and new elevations to modify an
> existing DEM:
>
> 2295820|175258|160
> 2295820|175257|160
> 2295821|175258|160
> 2295821|175257|160
>
>   When I process these data the output is shifted one meter to the west.

Please keep in mind that this are (I suppose) cell centers.
Hence you need to impose the computational region to 0.5 * raster
resolution larger in all directions to get the centers right.

ASCII art (needs fixed font):

+---+---+..
| x | x |
+---+---+...
...

HTH,
Markus


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