On 11 October 2012 23:55, Harish Rawat <harish.s.ra...@gmail.com> wrote:
> Sorry for not being clear. Here are more details > > 1.) The results are displayed in geographical map > 2.) Each document has latitude, longitude field and other fields that can > be searched on > 3.) The search will be done for all documents within a lat/long range. > 4.) The lat/lon range is divided into N*N (lets say 64 grids) and for each > grid we want following > a) no. of documents in that grid > b.) top K documents in that grid > c.) avg of latitude and longitude value for all results in that grid > > In lucene I can implement my own custom collector and do all the > calculations listed in #4. I wanted to understand the best way to implement > (or use existing if any :) this logic in solr > [...] Hmm, I am not that familiar with Lucene, so maybe someone else will chip in with advice. However, what you describe in point 4 seems to be a clustering strategy for geographical points. Typically, we use pre-defined strategies from OpenLayers ( http://openlayers.org ), or custom strategies. Regards, Gora
