[GRASS-user] v.what.rast; resolution and value question; GRASS 6.4

stephen sefick ssefick at gmail.com
Mon May 4 15:24:27 PDT 2015


The problem was a resolution problem. I aligned the region and set the
resolution to match the raster map. Everything worked as expected.

Please excuse my brevity; this message was sent from my telephone.
On May 4, 2015 4:08 PM, "Markus Neteler" <neteler at osgeo.org> wrote:

> On Wed, Apr 8, 2015 at 3:44 PM, stephen sefick <ssefick at gmail.com> wrote:
> > Hi All:
> >
> > I have used v.what.rast to query raster values based on a vector point
> map
> > and upload to column. When I look at the values uploaded versus the
> values
> > on the rast map closest to the point they differ. What could be my
> problem?
>
> Did you first align the computational region to the raster map (e.g.
> using g.region)?
>
> Markus
>
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