something similar to this? http://help.arcgis.com/en/webapi/flex/samples/index.html?sample=FeatureLayerClustering I don't mean for the post to irritate. It is such an elegant solution (although a web solution) I just had to show it. Maybe someone can work some magic in qgis.
On Fri, May 27, 2011 at 6:09 AM, Andreas Neumann <[email protected]>wrote: > No, the point displacement render is almost the opposite to clustering. It > explodes feature that are stacked on top of each other so one can see that > there are several features at the same place with potentially different > symbolization. > > A cluster renderer would be a valuable addition to QGIS as a separate > renderer. If your data resides in Postgis, you can also use Postgis and a > view if you need clustering. I once did this for a report information > system. You can round the coordinates and group/aggregate them and then > average by its original coordinates so that the cluster position is at the > weighted coordinate of all input point geometries. It is not very hard to do > in Postgis. > > Andreas > > > On Fri, 27 May 2011 11:50:07 +0200, Anita Graser wrote: > >> Isn't that what Point Displacement Renderer does? >> >> Best wishes, >> >> Anita >> >> On Fri, May 27, 2011 at 10:59 AM, Giovanni Manghi wrote: >> >> seems a nive idea for a plugin. >>> >>> Cheers >>> >>> -- Giovanni -- >>> >>> On Fri, 2011-05-27 at 16:57 +0800, maning sambale wrote: >>> > I'm looking for ways to create simple visualization of point >>> clusters >>> > (in QGIS of course) similar to the openlayers cluster strategy: >>> > http://openlayers.org/dev/examples/strategy-cluster.html [1] >>> >>> > The purpose is simply for visualization and can be configured by >>> map scale. >>> > >>> >>> _______________________________________________ >>> Qgis-user mailing list >>> [email protected] [2] >>> http://lists.osgeo.org/mailman/listinfo/qgis-user [3] >>> >> >> >> >> Links: >> ------ >> [1] http://openlayers.org/dev/examples/strategy-cluster.html >> [2] mailto:[email protected] >> [3] http://lists.osgeo.org/mailman/listinfo/qgis-user >> [4] mailto:[email protected] >> > > -- > -- > Andreas Neumann > Böschacherstrasse 10A > 8624 Grüt (Gossau ZH) > Switzerland > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > >
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