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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Wed, 08 Sep 2010 20:51:31 -0000
Message-ID: <20100908205131.18925.15647@eosnew.apache.org>
Subject: 
 =?utf-8?q?=5BSolr_Wiki=5D_Update_of_=22FunctionQuery=22_by_GrantIngersoll?=

Dear Wiki user,

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

The "FunctionQuery" page has been changed by GrantIngersoll.
http://wiki.apache.org/solr/FunctionQuery?action=3Ddiff&rev1=3D65&rev2=3D66

--------------------------------------------------

  Signature: hsin(radius, x1,y1,x2,y2, {true|false}), ghhsin(radius, hash1,=
 hash2) //pre SOLR-1131, the radius was the last value.
  If the last value is true, then hsin will convert the input values from d=
egrees to radians.
  =

- Example: hsin(x, y, 0, 0, 1) - Calculate the haversine distance between t=
he lat/lon 0, 0 and the values in field x,y with a radius of 1.
+ Example: hsin(2, x, y, 0, 0, 1) - Calculate the haversine distance betwee=
n the lat/lon 0, 0 on a sphere of radius 2 and the values in field x,y with=
 a radius of 1.
  =

  =3D=3D geohash - Convert to geohash =3D=3D
  Given a latitude and longitude (in degrees, not radians), convert them to=
 a Geohash.  See http://en.wikipedia.org/wiki/Geohash.