[OpenLayers-Users] change layer style on zooming

[Sergeant_york]

You can do this with wms as well as OpenLayers. Still I agree with solving
this problem with wms SLD instead of client side since you mentioned
"thousands of features" which will impact your performance even you don't
change the sizes of points.

I deleted my so detailed and intelligent post after reading your first post
completely then I realized it was a post that could answer your "fixed
style" requirement. Still you can use this kind of fixed context:

new OpenLayers.Style({
  'pointRadius': "${somefunction}"}
  {
    context:{
        somefunction: function(feature){
        return map.getZoom()<+-/*><someConstant>;
         }
  }
);

+-*/ : increase decrease or multiply etc
someConstant: to define size last value

for example:

return map.getZoom()+1;





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