Starting from http://openlayers.org/dev/examples/all-overlays.html this example , I've written the following piece of code: I have a server side loop (Django syntax) which retrieves all the features of a dataset from a Postgis database, in GeoJSON format. The script works fine, but the problem is the quantity of features: I have 11000 features, which means a final html file 9.3MB big and the need for the browser of 555 MB of memory. It loads everything after 10 seconds and map navigation is almost impossible, due to processor elaboration for pan/zoom and memory consumption. How can I manage this? Is there any OpenLayers tool which I can use to minimize resource consuption? Or should I use another approach, for example producing little png server side and load them instead of vector features? Any suggestion would be really appreciated, thanks in advance.
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