I also think that - what Anita wants - is a special case of a cluster renderer (one that actually does not cluster, but only count how many features are at the same geometry). To have this as a special option of the displacement renderer would be a quite misleading ...
But the cluster renderer also allows for a search radius (similar to the heatmap) - while the displacement renderer only looks at features at the exact same location (I know there is now a tolerance, but this was only added later). The displacement renderer was originally designed to show people who live at the very same address. I'd also be interested to see such a cluster renderer - actually since a couple of years - but it was never that important to my employer that we invested in it. Andreas On 2015-11-11 22:03, Anita Graser wrote: > On Wed, Nov 11, 2015 at 9:46 PM, Nyall Dawson <nyall.daw...@gmail.com> wrote: > >> On 12 Nov 2015 7:30 AM, "Anita Graser" <anitagra...@gmx.at> wrote: >>> >>> >>> >>> On Wed, Nov 11, 2015 at 9:09 PM, Nyall Dawson <nyall.daw...@gmail.com> >>> wrote: >>>> >>>> >>>> On 12 Nov 2015 6:51 AM, "Anita Graser" <anitagra...@gmx.at> wrote: >>>>> >>>>> Hi, >>>>> >>>>> Is there a way, maybe a function for expression based styles, which makes >>>>> it possible to scale the center symbol of the point displacement style >>>>> based on the number of corresponding points? >>>>> >>>>> So if 5 points are summarized with one center symbol, make it 5 big >>>>> and/or label it with "5". >>>> >>>> Do you also want the ring sizes to change? Or are they constant? >>> >>> Actually, I don't want the ring at all. I'm just looking to reproduce >>> http://suite.opengeo.org/opengeo-docs/cartography/rt/pointstacker.html >> >> Ah, now I understand. Not possible at the moment, but the displacement >> renderer could be extended to allow this style (and be renamed >> "displacement/stacker"). Let me think on this - I might launch a crowdfund >> to add this feature. > > Great, looking forward to seeing what you come up with :) > > Best wishes, > > Anita > > > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: http://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user
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