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<p>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 ...</p>
<p>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.</p>
<p>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.</p>
<p>Andreas</p>
<p>On 2015-11-11 22:03, Anita Graser wrote:</p>
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<div class="gmail_quote">On Wed, Nov 11, 2015 at 9:46 PM, Nyall Dawson <span><<a href="mailto:nyall.dawson@gmail.com">nyall.dawson@gmail.com</a>></span> wrote:<br />
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<p dir="ltr"><br /> On 12 Nov 2015 7:30 AM, "Anita Graser" <<a href="mailto:anitagraser@gmx.at">anitagraser@gmx.at</a>> wrote:<br /> ><br /> ><br /> ><br /> > On Wed, Nov 11, 2015 at 9:09 PM, Nyall Dawson <<a href="mailto:nyall.dawson@gmail.com">nyall.dawson@gmail.com</a>> wrote:<br /> >><br /> >><br /> >> On 12 Nov 2015 6:51 AM, "Anita Graser" <<a href="mailto:anitagraser@gmx.at">anitagraser@gmx.at</a>> wrote:<br /> >> ><br /> >> > Hi,<br /> >> ><br /> >> > 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?<br /> >> ><br /> >> > So if 5 points are summarized with one center symbol, make it 5 big and/or label it with "5".<br /> >><br /> >> Do you also want the ring sizes to change? Or are they constant?<br /> ><br /> > Actually, I don't want the ring at all. I'm just looking to reproduce <a href="http://suite.opengeo.org/opengeo-docs/cartography/rt/pointstacker.html">http://suite.opengeo.org/opengeo-docs/cartography/rt/pointstacker.html</a></p>
<p dir="ltr">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.</p>
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<div class="gmail_default" style="font-size: small; display: inline;">Great, looking forward to seeing what you come up with :)</div>
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<div class="gmail_default" style="font-size: small; display: inline;">Best wishes,</div>
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<div class="gmail_default" style="font-size: small;">Anita</div>
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