Re: [Geoserver-users] Scale based filtering

Άγγελος Παππάς Wed, 24 Aug 2011 14:06:57 -0700

Well i found the following solution :

Embed the graphic into TextSymbolizer. This initially handles placing and overlapping.
For further control i made lots of TextSymbolizers with different "spaceAround" vendor option values. This way I have fallback icons when the default one doesn't fit.

Thanks to everyone.

On 24/8/2011 10:58 μμ, Stephen V. Mather wrote:

One way to handle clustering, if that is a viable solution for you and if you’re using OpenLayers as your client is to look to:

http://openlayers.org/dev/examples/strategy-cluster.html

and serve the point data as WFS.

Steve

Stephen Mather
Geographic Information Systems (GIS) Manager
(216) 635-3243

[email protected]
clevelandmetroparks.com

From: Edward Mac Gillavry [mailto:[email protected]]
Sent: Wednesday, August 24, 2011 3:48 PM
To: [email protected]; [email protected]
Subject: Re: [Geoserver-users] Scale based filtering

Dear Aggelos,

In case yr points have some implicit hierarchy (e.g. population size or administrative level of downs) you may want to look into the VendorOption "Priority" to suppress the display of points lower in the hierarchy in favour of points higher up in the hierarchy. Otherwise, search the list's archives for "clustering". Not sure about current activities or plugins in this area. Hope that help.

Regards,

Edward

> Date: Wed, 24 Aug 2011 19:00:10 +0300
> From: [email protected]
> To: [email protected]
> Subject: [Geoserver-users] Scale based filtering
>
> Hi to all,
>
> I have a layer with points and I assign them an external graphic. I
> would like not to display some points if they overlap when I zoom out. I
> know of min/max scale denominator filter, but I don't believe this would
> help.
> Is there a way to tell the distance of two points in screen coordinates?
>
> Thank you
>
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EMC VNX: the world's simplest storage, starting under $10K
The only unified storage solution that offers unified management 
Up to 160% more powerful than alternatives and 25% more efficient. 
Guaranteed. http://p.sf.net/sfu/emc-vnx-dev2dev

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