[GRASSLIST:10669] Re: Area cartograms

[Dylan Beaudette]

On Wednesday 01 March 2006 11:35 am, Laurent Courty wrote:
> Miha Staut wrote:
> > Dear list,
> >
> > Sorry for a GRASS non related question. Does anybody know a software in
> > which one could make cartograms where the area of the polygon reflects
> > the size of the variable in question. E.g. in a map of the countries of
> > the world (projection should be equivalent of course), the area of the
> > country shows the size of the population of the country, not the actual
> > area. I would be happy with either contiguous polygons with distortion of
> > the shape or non contiguous polygons without shape distortion.
> >
> > If you fell responding to the question would burden the listers with non
> > related topics, please reply me off list.
> >
> > Thanks,
> > Miha
> >
> >
> >
> > ___________________________________________________________
> > Yahoo! Photos – NEW, now offering a quality print service from just 8p a
> > photo http://uk.photos.yahoo.com
>
> Hello,
>
> You could take a look at this :
> http://ccablog.blogspot.com/2006/02/cartograms-again.html
>
> Laurent

Cool Link! It looks like the underlying algorithm is written in C, and open 
source. Compiles nicely on linux -- although it requires an ESRI ungenerate 
format file as input... and v.out.arc seems to be stranded in GRASS54.

Dylan

-- 
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341