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

[Nikos Alexandris]

Nikos Alexandris:

>> 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.

Vaclav Petras:

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

Does not work, already tried that before.


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

Right!

Nikos