Hi Guido, Check this out: http://wiki.apache.org/solr/SpatialClustering It captures some information on the subject.
What I really want to do is built-in heatmap-faceting but I have no time right now. ~ David On 1/29/14, 10:38 AM, "Guido Medina" <guido.med...@temetra.com> wrote: >Hi, > >Is there a way to cluster groups of near by GPS in a Solr query(GPS >inside a quadrant), we have everything in place (location_rpt with >Spatial4J and JTS) and we have been using Solr spatial for a while with >GPS and Polygons in the map, just wondering if there is a way to return >a list of cluster of points depending on the quadrant and some sort of >scale. > >If that is not possible, is there a way to return the geo-hashes instead >of the original value, let's say, a GPS lon lat in WKT format is (1 1) >and its geo-hash is AAAA, so instead of returning (1 1) I want to get >its hash so that we can use a custom text algorithms to cluster. > >Any response/thoughts will be appreciated, > >Guido.
