[GRASS-user] Color lines according to z coordinate

Vaclav Petras wenzeslaus at gmail.com
Wed May 21 13:57:09 PDT 2014


On Wed, May 21, 2014 at 4:33 PM, Martin Landa <landa.martin at gmail.com>wrote:

> > I forgot to mention. This works for me with points but not with lines.
> > Actually, it is what manual says:
> >
> > zcolor=style
> > Colorize point or area features according to z-coordinate
>
> hm, I would assume that it should colorize lines based on their
> average z-coordinates (of their vertices).


Oh, I completely missed that because for contours it is trivial. Probably,
average of two subsequent vertices would be the most powerful option but I
guess (without knowledge of d.vect) harder to implement efficiently.


> It should be easy to
> implement.
>

Does this mean that you will do it? It would be nice of you because don't
think that it would be easy for me.
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