[GRASS5] d.leg.thin fixes

Bernhard Reiter bernhard at intevation.de
Tue Nov 27 07:01:51 EST 2001

On Mon, Nov 26, 2001 at 11:12:56PM +0000, Glynn Clements wrote:
> Helena wrote:
> > > I have added a -v and -c flag for d.legend compliance, and fixed a
> > > bug when using the mouse for CELL type.
> > >
> > > Except that NULL is not shown (do we want this?) the functionality
> > > of d.leg.thin shall cover now that of d.legend (and provide more).
> > 
> > is it possible to define a color for NULL? I believe that it is always
> > white.
> > If that is true you probably don't need to have it in legend.
> Well, colour tables don't have an entry for NULL, but d.rast allows it
> to be set with the "bg=" option; also, NULL can be transparent (e.g. 
> "d.rast -o ...", in which case the colour will be that used for the
> last call to d.erase. 

If you have displayed a different map before the pixel should 
not be drawn, so raster overlaying works.


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