[OpenLayers-Users] Clustering and addFeatures method

arno974 arnaud.sig at gmail.com
Wed Oct 22 06:33:04 EDT 2008


Hello Yves,

Tried to add a new OpenLayers.Strategy.Fixed(), in your strategies and it
should work.
I noticed that the cluster doesn't work if i don't use the fixed strategy.
Maybe a bug or i didn't use it in a good way.

Here you will find an example : http://geotribu.net/?q=node/47

Regards 

Arnaud


Yves Jacolin (free) wrote:
> 
> Hello,
> 
> I am trying to set up a cluster strategy for one of my vector layer. I add 
> this code to my existing code:
>   var vector = new OpenLayers.Layer.Vector(name,
>                   {
>                      strategies: [
>                         new OpenLayers.Strategy.Cluster({distance:20})
>                       ]
>                   }
>                 );
> Before this, the code was " var vector = new
> OpenLayers.Layer.Vector(name);"
> 
> I fill my vectorLayers later, reading a postgis result with:
> 
> var feature = wktParser.read(_tmp[1]);
> [..]
> vectorLayer.addFeatures([ feature ]);
> 
> I get only one feature (instead of 2) for all the zoom level. I tried to 
> change the distance option above, but nothing append. If I check the DOM, 
> nothing show me that there are more than 1 feature in this layer.
> 
> Where am I wrong?
> 
> Y.
> PS : the code is much more longer than here and is split in several
> functions 
> so I can't show you all in once, I tried to put the most readable as 
> possible.
> -- 
> Yves Jacolin
> ---
> http://softlibre.gloobe.org
> _______________________________________________
> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
> 
> 

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