On Mon, Mar 6, 2017 at 6:44 AM, Nikos Alexandris <n...@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
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