Gaaah, thought I looked at which version that page was from, obviously screwed it up. Thanks for the correction.
Erick On Wed, Jan 9, 2013 at 12:12 PM, Smiley, David W. <dsmi...@mitre.org> wrote: > Erick, > Alex asked about Solr 4 spatial, and his use-case requires it because > he's got multi-value spatial fields (multiple business office locations > per document). So the Solr 3 spatial solution you posted won't cut it. > > Alex, > You can do this in Solr 4.0. Use one facet.query per circle (I.e. > Distance ring away from center). Here's an example with just one > facet.query: > http://localhost:8983/solr/collection1/select?q=*%3A*&wt=xml&facet=true&fac > et.query=geo:%22Intersects%28Circle%2845.15,-93.85%20d=0.045%29%29%22 > That facet.query without url escaping is: > geo:"Intersects(Circle(45.15,-93.85 d=0.045))" > The's a 5km ring. Repeat such facet queries for larger rings. Each > bigger circle will of course encompass the smaller circle(s) before it. I > suspect it's more useful to the user to see a facet count based on all > businesses within each threshold distance, versus having counts exclude > the one before basically. But if you really want to do that, you'll have > to do that part yourself by simply subtracting one facet count from the > previous smaller ring. And to generate the filter query if they click it, > you'd then have to have a NOT clause for the smaller ring. Ex: > fq=geo:"Intersects(Circle(45.15,-93.85 d=0.09))" NOT > geo:"Intersects(Circle(45.15,-93.85 d=0.045))" > > I'm aware it's a bit verbose. In Solr 4.1 I've already committed a change > to allow use of {!geofilt} which will make the syntax shorter, allowing > sharing of the "pt" reference, and kilometer based distances instead of > degrees. I'm collaborating with Ryan McKinley on > https://issues.apache.org/jira/browse/SOLR-4242 "A better spatial query > parser" including conversations off-list but feel free to participate via > commenting. > > ~ David Smiley > > On 1/8/13 7:33 PM, "Erick Erickson" <erickerick...@gmail.com> wrote: > > >For facets, doesn't > > > http://localhost:8983/solr/select?wt=json&indent=true&fl=name,store&q=*:*&; > >facet=on > >&facet.query={!frange l=0 u=3}geodist(store,45.15,-93.85) > >&facet.query={!frange l=3.001 u=4}geodist(store,45.15,-93.85) > >&facet.query={!frange l=4.001 u=5}geodist(store,45.15,-93.85) > > > >work (from > >http://wiki.apache.org/solr/SpatialSearch#How_to_facet_by_distance) > > > >Although I also confess to being really unfamiliar with all things > >geodist... > > > >Best > >Erick > > > > > >On Tue, Jan 8, 2013 at 4:02 AM, Alexandre Rafalovitch > ><arafa...@gmail.com>wrote: > > > >> Hello, > >> > >> I am trying to understand the new Solr 4 spatial type and what it can > >>do. I > >> sort of understand the old implementation, though also far from well. > >> > >> The use case is to have companies that has multiple offices, for which I > >> indexed locations. I then want to do a 'radar' style ranges/facets, so I > >> can say "show me everything in 100k, in 300k, etc". The wiki page for > >>old > >> implementation shows how to do it, but I am having troubles figuring > >>this > >> out for new implementation. > >> > >> Regards, > >> Alex. > >> P.s. "Not yet possible", "wait till 4.1/5", etc are perfectly valid > >> shortest answers for me, at this stage. > >> > >> Personal blog: http://blog.outerthoughts.com/ > >> LinkedIn: http://www.linkedin.com/in/alexandrerafalovitch > >> - Time is the quality of nature that keeps events from happening all at > >> once. Lately, it doesn't seem to be working. (Anonymous - via GTD > >>book) > >> > >
