[GRASS-user] Color Vector by text attribute

Markus Neteler neteler at osgeo.org
Wed Jan 28 11:31:29 PST 2015


On Wed, Jan 28, 2015 at 7:36 PM, Richard Nairn
<richard at nairnconsulting.ca> wrote:
> Hi,
>
> I haven't used GRASS in a while and I'm having some difficulty trying to
> figure out out the best way to symbolize my vectors like I might in ArcMap.
>
> The issue is trying to colour the vector by a text attribute. I have a type
> field with things like "T","F","Tv"... Do I really have to add the RBGVALUE
> field and then update that for every distinct entry? Or is there an easier
> way to do that. That seems like an awful hassle to do that.

Please check
http://grass.osgeo.org/grass70/manuals/v.colors.html

Besides predefined color tables, there is the possibility to define
rules which should make the task rather simple.

Markus


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