[Mapserver-users] variable (proportionately) sized point data

[Eric Bridger]

Yes. You could create a series of CLASSes with EXPRESSIONs for each one
evaluating your population field e.g.:

EXPRESSION (10000 < [population] AND [population] <= 20000)
SYMBOL 'circle'
SIZE 20

etc.

On Wed, 2004-04-21 at 08:56, Moritz Lennert wrote:
> Hello,
> 
> Can Mapserver display point data as point symbols that are proportionate
> to a given value for each point ?
> 
> In other words, if I have a, for example, a shapefile with points (cities
> for example) at the centroids of my spatial entities. Parallel to that I
> have a list of population sizes for each city. Can Mapserver display
> proportionate circles corresponding to the respective population sizes on
> the fly, or do I have to create a vector or raster file with the
> proportionate circles with an external program first and than display this
> with Mapserver ?
> 
> Moritz
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> 


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