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

[Jan Hartmann]

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 ?
> 

You can use the LABELSIZEITEM keyword within the LAYER definition. See:

http://mapserver.gis.umn.edu/doc40/mapfile-reference.html#layer

s.v.



Jan
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