[OpenLayers-Users] Proportional Symbol Mapping

Eric Lemoine eric.c2c at gmail.com
Fri Apr 4 04:48:09 EDT 2008


On Thu, Apr 3, 2008 at 11:05 PM, Bjorn Sandvik <B.Sandvik at sms.ed.ac.uk> wrote:
> Hi,
>
>  I'm currently testing the capabilities of doing thematic mapping with
>  OpenLayers.
>
>  This is a proportional symbol map based on GeoJSON encoded data:
>  http://thematicmapping.org/experiments/openlayers_propsymb.htm

The big circles don't seem to behave correctly on hover.

>
>  My question: Is there a way to keep the relative size of the symbols
>  when the users zoom in/out?

AFAICT there's no way to style features based on the current zoom level.

But I guess you should be able to implement this in your application
code, by registering to the zoomend map event.

--
Eric



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