[GRASSLIST:10674] Re: Area cartograms

Dylan Beaudette dylan.beaudette at gmail.com
Wed Mar 1 18:07:17 EST 2006


Actually, 

It will output an UNGENERATE format vector file too.

Dylan

On Wednesday 01 March 2006 02:40 pm, Matthew Perry wrote:
> Another limitation of that C algorithm for cartograms is it only
> outputs .ps files.
>
> Try the link to the Java version.
> (http://people.cas.sc.edu/hardistf/cartograms/) It inputs/outputs
> shapefiles and has a nice GUI that autmates alot of the tediousness of
> the C version.
>
> matt
>
>
> There's also a link to the
>
> On 3/1/06, Dylan Beaudette <dylan.beaudette at gmail.com> wrote:
> > 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
>
> --
> Matt Perry
> perrygeo at gmail.com
> http://www.perrygeo.net

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




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