[postgis-tickets] r15619 - #3499, Clarify distance units in docs for ST_ClusterWithin

[Daniel Baston]

Author: dbaston
Date: 2017-09-03 17:14:02 -0700 (Sun, 03 Sep 2017)
New Revision: 15619

Modified:
   branches/2.2/doc/reference_measure.xml
Log:
#3499, Clarify distance units in docs for ST_ClusterWithin

Modified: branches/2.2/doc/reference_measure.xml
===================================================================
--- branches/2.2/doc/reference_measure.xml	2017-09-04 00:06:56 UTC (rev 15618)
+++ branches/2.2/doc/reference_measure.xml	2017-09-04 00:14:02 UTC (rev 15619)
@@ -1105,7 +1105,7 @@
       <refsection>
         <title>Description</title>
 
-        <para>ST_ClusterWithin is an aggregate function that returns an array of GeometryCollections, where each GeometryCollection represents a set of geometries separated by no more than the specified distance.</para>
+        <para>ST_ClusterWithin is an aggregate function that returns an array of GeometryCollections, where each GeometryCollection represents a set of geometries separated by no more than the specified distance.  (Distances are Cartesian distances in the units of the SRID.)</para>
 
         <para>Availability: 2.2.0 - requires GEOS</para>
       </refsection>