Thanks David, yeah i want to contribute can you please suggest me that how should i start to learn deeply about solr spatial, i am new in solr and i really want to contribute here :)
Any help will be really appreciated. @David Sorry for the late reply. With Regards Aman Tandon On Tue, May 27, 2014 at 9:36 AM, david.w.smi...@gmail.com < david.w.smi...@gmail.com> wrote: > Hi Aman, > > That’s an interesting feature request that I haven’t heard before. > > First reaction: Helliosearch (a fork of Solr that is kept up to date with > changes from Solr) is extremely close to supporting such a thing because it > supports sorting facets by Helliosearch specific aggregation functions. > http://heliosearch.org/solr-facet-functions/ However, none of its > aggregation functions are spatial oriented. If this feature is important > enough to you, you could very well add it. It would likely involve > encoding the coordinate into the place name to avoid unnecessary redundant > calculations that would be needed if another field were used. > > Second reaction: You could do a secondary search just for these facet > values that works using Result Grouping (AKA Field Collapsing). Add to each > document the coordinates of the city indexed using a LatLonType field. On > this request, sort the documents using geodist(), and group on the city > name. Perhaps you can even get away with returning no documents per group > if Solr lets you — you don’t need the doc data after all. The main thing I > don’t like about this approach is that it’s going to internally calculate > the distance very redundantly since all documents for a city are going to > have the coordinate. Well see if it’s fast enough and give it a try. > > ~ David Smiley > Freelance Apache Lucene/Solr Search Consultant/Developer > http://www.linkedin.com/in/davidwsmiley > > > On Mon, May 26, 2014 at 8:31 AM, Aman Tandon <amantandon...@gmail.com > >wrote: > > > Hi, > > > > Is it possible to sort the results return on faceting by geo spatial > > distance instead of result count. > > > > Currently i am faceting on city, which returns me the top facets on > behalf > > of the docs matched for that particular city. > > > > e.g.: > > Delhi,400 > > Noida, 380 > > . > > . > > . > > etc. > > > > If the user selects the city then the facets should be according to the > geo > > spatial distance instead of results, Is it possible with the solr 4.7.x.? > > > > With Regards > > Aman Tandon > > >
