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Have you looked at http://clustermash.com, they have been able to cluster at least 8 million points of the GeoNames DB on one of their demos. They also show integration with MapQuest and their geocoding and direction API's.


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Have to look at SaaS solutions, for example http://clustermash.com are able to cluster at least 8 million locations from the GeoNames DB on one of their demos?


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if you mean iterate over all the individual points in an L.markerClusterGroup(), you can use something like this to access the individual layers markers.eachLayer(function(layer){ console.log(layer) }); If you want to get at the points/layers in an individual cluster, you can use getAllChildMarkers() markers.on('clusterclick', function (a) { ...


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Both of the recommended methods above should be able to produce a hot spot map, but I'm not sure about your representation of the speed of the vehicle unless that's an attribute in the point shapefile.



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