[OpenLayers-Users] Re: clustering strategy problem in 900913 projection

AlexR alexrushforth at hotmail.com
Wed May 4 04:54:04 EDT 2011


I've been using this when setting up the map options, which includes units in
m

                var options = {
                    projection: new OpenLayers.Projection("EPSG:900913"),
                    displayProjection: new
OpenLayers.Projection("EPSG:4326"),
                    units: "m",
                    controls: [new OpenLayers.Control.Navigation(), new
OpenLayers.Control.PanZoomBar()], 
                    numZoomLevels: 18,
                    maxResolution: 156543.0339,
                    maxExtent: new OpenLayers.Bounds(-20037508, -20037508,
                                                 20037508, 20037508.34)
                };

                map = new OpenLayers.Map('map', options);


Is it possible to add units to a vector layer somewhere as i don't think i;e
done this?

The clustering is working.. however it always produces just a single point
containing all items, rather than spaced icons which change as you zoom in
and out. Also not sure exactly on the settings for cluster strategy. I've
tried changing the strategy.distance numbers but this doesnt make any
difference even with very large numbers


        var strategy = new OpenLayers.Strategy.Cluster();
        //strategy.distance = 20;    e
        //strategy.threshold = 1;


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