[OpenLayers-Users] Cluster Strategy and Google Layer

Salvaro asufsc at gmail.com
Fri Oct 31 08:57:45 EDT 2008


I'm using a Vector Layer with Cluster Strategy (and Fixed) overlaying a WMS
(EPSG:4326) and a Google Layer (EPSG:900913).

In the WMS layer the strategy works perfectly. But in Google Layer, the
layer apparently ignores the Strategy.

Testing I saw a "strange" thing, when I use the points in EPSG:4326
coordinates in the Google Layer and all points are in the centre of the map,
looking the opacity is possible to see the points being "clustered". But
when I try to reproject them or just set different coordinates of the google
projection, the layer ignores the cluster.

The points with correct projection:
http://img225.imageshack.us/my.php?image=correctprojectionyx8.jpg

And with the incorrect projection:
http://img404.imageshack.us/my.php?image=wrongprojectiontk6.jpg
http://img505.imageshack.us/my.php?image=wrongprojection2ty8.jpg

I'm using in the Map these attributes: numZoomLevels=19,
displayProjection=EPSG:4326 and the controls.
In the layer: type=GMAPS, projection=EPSG:900913, maxExtent=-20037508.34,
-20037508.34, 	20037508.34, 20037508.34, units=m, maxResolution=156543.0339F
and sphericalMercator=true.

The points are being added using addFeatures.


Anyone have an idea about what it can be and how can I do the cluster works
with the Google Layer?

Thanks!
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