[GRASS-user] Find location of pixels

Marvin Eng knot.tyer at gmail.com
Tue Dec 8 20:10:38 PST 2015

This worked well
Extract with r.mapcalc as you suggest; then select the layer in the layer
manager and right click and select 'Zoom to selected map(s) (Ignore NULLS).

On Tue, Dec 8, 2015 at 4:33 PM, Anna Petrášová <kratochanna at gmail.com>

> I would probably extract them using r.mapcalc
> if(map < ..., map, null())
> and then convert them to vector points using r.to.vect.
> Anna
> On Tue, Dec 8, 2015 at 3:46 PM, Marvin Eng <knot.tyer at gmail.com> wrote:
>> I would like to find the location of pixels in a raster that have a
>> specific value.
>> I have a large raster with a small number of values that I think are not
>> classified correctly. I would like to be able to 'go to' the location(s) of
>> those pixels so I can examine the underlying inputs.
>> _______________________________________________
>> grass-user mailing list
>> grass-user at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/grass-user
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/grass-user/attachments/20151208/a6d88875/attachment.html>

More information about the grass-user mailing list