OpenLayers, nice marker clustering

Question

Do you know how to have a nice clustering in OpenLayers such as this google example ?

Answer 1

you can do this with as igorti has said. the soltion is using OpenLayers.Strategy.Cluster class and styling your layer with OpenLayers.Style class...

for styling :

var pointStyle = new OpenLayers.Style({
'default': new OpenLayers.Style({
'pointRadius': '${radius}',
'externalGraphic': '${getgraph}'
....
},{
context:{
radius: function(feature){
    return Math.min(feature.attributes.count,7)+3;
},{
getgraph : function(feature){
    return 'ol/img/googlelike.png';
}}}};

it must helps you, more power to you!