Hamish:
> > how to set up an accurate bubble plot legend?

Moritz Lennert wrote:
> I create a new vector point map (belscale in the psmap
> files) with the points placed at the spot where I would
> like the legend.
> Then it suffices to update the values in the attribute table to
> relevant values related to your map and to display this 'map' just
> like the real one...

thanks for the trick.
 
> One thing that still bothers me with bubble plot is the
> lack of the possibility to sort the bubbles so that you are
> sure to have the largest in the back...

fillcolor=none  and go by outer ring  :-/
ISTR some code to sort them was committed somewhere..

I see the New York Times often has nice bubble plots for their maps.
They make the fill color semi-transparent, then stacked bubbles are
darker where they overlap. PostScript won't "do" transparency, so
perhaps something to look for in the grass7 display drivers.


Hamish



      
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