[GRASS5] ps.map symbol size from DB column

[Moritz Lennert]

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Hamish wrote:
> Great. It is now done and in CVS. Screenshot of PostScript file
> attached. Probably needs some testing.
> 
> The new commands for the vpoints instruction are sizecol and scale.
> 

Hamish, you're the man !

Just one small glitch: The resulting postscript file causes an error
("Error: /undefined in inf") when the sizecol contains nulls or
zeroes. In the code, you seem to have deliberately decided to allow
size=0. Does this mean that you were able to make it work with some
values = 0 ?

Also, what are the chances of having the print dialog in the GIS
Manager actually print d.vect.chart results via ps.map ? If I
understand correctly Michael is working on integrating d.vect.chart
as a button. Does that mean that it can be saved as part of a group
and then translated into a ps.map command ?

And (just to show how insatiable we are ;-): any chances of having
the full d.vect.chart implement in ps.map, i.e. allowing pie/bar
charts ? (I know I can create the charts outside as eps files and
depict them. I have been doing this with GRASS5 and R. But having it
all within GRASS would obviously make things easier.)

In any case, thanks for this great improvement !

Moritz

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