RES: [Mapserver-users] Map interpolation

[Tyler Mitchell]

I'd bet GRASS does.

mapserver-users-admin at lists.gis.umn.edu wrote on 05/25/2004 06:06:00 PM:

>   Hi again,
> 
>   I looked at the openEV documentation and apparently openEV only does
> interpolation for raster images...
>   Frank, do you know a way or a tool that does the automatic
> generalization of the shape files (vector data)?
>   And I searched at the google, I couldn't find a tool that would do
> interpolation with vector data as input... I'm beginning to think that
> there is no such thing...
>   Thanks,
>     Murilo
> 
> -----Mensagem original-----
> De: Murilo Lacerda Yoshida [mailto:murilo.yoshida at agx.com.br] 
> Enviada em: sexta-feira, 21 de maio de 2004 17:23
> Para: 'Frank Warmerdam'; (mapserver-users at lists.gis.umn.edu); 'Tyler
> Mitchell'
> Assunto: RES: [Mapserver-users] Map interpolation
> 
>   Frank, Tyler,
>   What I want to do is this automatic generalization of vector data.
> Actually the best solution would be to generate a raster data from a
> vector data.
>   I have a map with several polygons. Each polygon has a data associated
> with it, population, for example. I guess that to do the raster data
> from vector data I would have to size down my polygons, until they had
> the size of a pixel, but that would have too much cost, since the
> polygons I have on the map are created dynamically...
>   I don't know if openEV has this kind of stuff implemented... it would
> be of great help...
>   Anyway, if I could stop the process of sizing down the polygons before
> they reached the pixel size I guess that would be nice too.
>   Thanks,
>     Murilo
> 
> 
> -----Mensagem original-----
> De: Frank Warmerdam [mailto:warmerdam at pobox.com] 
> Enviada em: quinta-feira, 20 de maio de 2004 01:41
> Para: murilo.yoshida at agx.com.br
> Assunto: Re: [Mapserver-users] Map interpolation
> 
> Murilo Lacerda Yoshida wrote:
> >   Hi all,
> > 
> > 
> > 
> >   I wanted to know if mapserver does map interpolation. If not, do you
> 
> > know a open source tool that does it?
> 
> Murilo,
> 
> "Map interpolation" is a pretty general term in my opinion.  What
> exactly
> are you looking for?  Automatic generalization of vector data?  Smooth
> interpolation of raster data during oversampling?
> 
> Best regards,
> 
> -- 
> ---------------------------------------+--------------------------------
> ------
> I set the clouds in motion - turn up   | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | Geospatial Programmer for Rent
> 
> 
> 
> 
> 
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