[GRASS-dev] RGB colored and Transparent areas in one vector map

Vaclav Petras wenzeslaus at gmail.com
Mon Mar 6 06:00:41 PST 2017


On Mon, Mar 6, 2017 at 6:44 AM, Nikos Alexandris <nik at nikosalexandris.net>
wrote:

> I have an rgb_column with RGBs for a vector map. For some areas, I would
> like to have no color, as in trasparent.
>
> If I am not wrong, we can't do that, ie define "nv" as we can do in
> color rules for a raster map.
>


Try setting the column value to "none" (usually implemented for parameters,
I'm not sure here).

Note that "nv" is 'no value' (NULL), not 'no color' in the color rules
syntax.

Vaclav
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/grass-dev/attachments/20170306/8b523806/attachment-0001.html>


More information about the grass-dev mailing list