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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Thu, 15 Mar 2012 07:28:13 -0000
Message-ID: <20120315072813.41703.4897@eos.apache.org>
Subject: 
 =?utf-8?q?=5BSolr_Wiki=5D_Update_of_=22SpatialSearchDev=22_by_Bill_Bell?=
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Dear Wiki user,

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

The "SpatialSearchDev" page has been changed by Bill Bell:
http://wiki.apache.org/solr/SpatialSearchDev?action=3Ddiff&rev1=3D8&rev2=3D9

  For !PointType, the bounding box is calculated by standard rectangular co=
ordinate system measures.
  =

  =3D=3D GeoHash Plugin =3D=3D
- See [[https://issues.apache.org/jira/browse/SOLR-1568|https://issues.apac=
he.org/jira/browse/SOLR-2155]] the plugin for Solr 3.x is at [[https://issu=
es.apache.org/jira/secure/attachment/12497800/Solr2155-1.0.3-project.zip]]
+ See [[https://issues.apache.org/jira/browse/SOLR-1568|https://issues.apac=
he.org/jira/browse/SOLR-2155]] the plugin for Solr 3.x is at https://issues=
.apache.org/jira/secure/attachment/12497800/Solr2155-1.0.3-project.zip
  =

  ''NOTE: ''The GeoHash Plugin improves performance and allows for a multiV=
alued field for Lat,Long.
  =

@@ -84, +84 @@

  =

  2. Add a field in the <fields> section of schema.xml
  =

-  <field name=3D"store_geohash" type=3D"geohash" indexed=3D"true" stored=
=3D"true" '''multiValued=3D"true"'''/>
+  . <field name=3D"store_geohash" type=3D"geohash" indexed=3D"true" stored=
=3D"true" '''multiValued=3D"true"'''/>
  =

  3. In your solrconfig.xml
  =

-       Top level within <config>, suggested to place at bottom:
+  . Top level within <config>, suggested to place at bottom:
+   . <!-- an alternative query parser to geofilt() (notably allows a speci=
fic lat-lon box) --> <queryParser name=3D"gh_geofilt" class=3D"solr2155.sol=
r.search.SpatialGeoHashFilterQParser$Plugin" /> <!-- replace built-in geodi=
st() with our own modified one --> <valueSourceParser name=3D"geodist" clas=
s=3D"solr2155.solr.search.function.distance.HaversineConstFunction$Haversin=
eValueSourceParser" />
-         <!-- an alternative query parser to geofilt() (notably allows a s=
pecific lat-lon box) -->
-         <queryParser name=3D"gh_geofilt" class=3D"solr2155.solr.search.Sp=
atialGeoHashFilterQParser$Plugin" />
-         <!-- replace built-in geodist() with our own modified one -->
-         <valueSourceParser name=3D"geodist" class=3D"solr2155.solr.search=
.function.distance.HaversineConstFunction$HaversineValueSourceParser" />
- =

-       Add the following cache into <query> section if you are going to us=
e geodist func
+  Add the following cache into <query> section if you are going to use geo=
dist func
-           <cache name=3D"fieldValueCache"
+   . <cache name=3D"fieldValueCache"
+    . class=3D"solr.FastLRUCache" size=3D"10" initialSize=3D"1"
-             class=3D"solr.FastLRUCache"
-             size=3D"10"
-             initialSize=3D"1"
-             autowarmCount=3D"1"/>
+    autowarmCount=3D"1"/>
  =

  The following parameters are supported for {!geofilt}:
- =

  ||<tablewidth=3D"725px" tableheight=3D"184px">Parameter ||Description ||E=
xample ||
  ||pt ||The Point to use as the center of the filter.  Specified as a comm=
a separated list of doubles.  If using the !LatLonType, then it is lat,lon.=
 ||&pt=3D33.4,29.0 &pt=3D27.3,83.9,10.0,5.5 ||
- ||d ||The distance from the point to the outer edge   of whatever is bein=
g used to filter on (bounding box, pure distance,   something else).  Must =
be greater than or equal to 0 ||&d=3D10.0 ||
+ ||d ||The distance from the point to the outer edge   of whatever is bein=
g used to filter on (bounding box, pure distance,   something else).  Must =
be greater than or equal to . Note: for geo hashing rounding is acceptable.=
 ||&d=3D10.0 ||
- ||sfield ||The radius of the sphere to be used when   calculating distanc=
es on a sphere (i.e. haversine).  Default is the   Earth's mean radius in k=
ilometers (see org.apache.lucene.spatial.DistanceUtils.EARTH_MEAN_RADIUS_KM=
) which is set to 6371.009.  Most applications will not need to set this. |=
|&sfield=3Dstore_geohash ||
+ ||sfield ||The field defined with solr2155.solr.schema.GeoHashField ||&sf=
ield=3Dstore_geohash ||
+ =

+ =

  =

  =

  =3D Sorting =3D