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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Fri, 11 Dec 2009 21:05:03 -0000
Message-ID: <20091211210503.23174.50130@eos.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=3D48&rev2=3D49

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

  =

  '''Values must be in Radians'''.  See the rad() function. Please note Hav=
ersine distance has known problems with antipodal values.  See the Wikipedi=
a page for details.
  =

- Signature: hsin(radius, x1,y1,x2,y2), ghhsin(radius, hash1, hash2) //pre =
SOLR-1131, the radius was the last value.
+ 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.
 =20