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From Apache Wiki <>
Subject [Solr Wiki] Update of "SpatialSearch" by GrantIngersoll
Date Fri, 11 Dec 2009 14:58:45 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The "SpatialSearch" page has been changed by GrantIngersoll.


  Most of these items are being tracked on
and it's related issues.  The goal is to bring spatial search into Solr in such a way as to
leverage all of Solr's existing capabilities for distributed search, etc.
+ = An Example =
+ On, the example schema was changed to provide
information about what store the products were located in.
+ The schema changes look like:
+ {{{
+ <fieldType name="location" class="solr.PointType" dimension="2" subFieldTypes="double"/>
+ <field name="store" type="location" indexed="true" stored="true"/>
+ }}}
+ In the example docs, for example: hd.xml, the document now has:
+ {{{
+   <field name="store">45.17614,-93.87341</field>
+ }}}
+ in addition to all the other fields.
+ Then, to query, the system can use the distance Functions in Solr, as in:
+ {{{
+ http://localhost:8983/solr/select/?q=_val_:"recip(dist(2, store, point(34.0232,-81.0664)),1,1,0)"&fl=*,score
+ }}}
  = Data Representation =
  One of the keys to data representation is the ability to represent points, etc. in multiple
different ways.  Some times, a user may want a [|Geohash]
and other times they may want Cartesian tiers or just simple lat/lon.

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