From: Regina Obe <lr@pcorp.us>
Date: Wed, 19 May 2010 15:17:20 +0000 (+0000)
Subject: geography example for st_covers
X-Git-Tag: 2.0.0alpha1~2992
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4f9f1acebc6a4d16587db0d6572e3659772ed5ff;p=postgis

geography example for st_covers

git-svn-id: http://svn.osgeo.org/postgis/trunk@5628 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/doc/reference_measure.xml b/doc/reference_measure.xml
index 7218071f6..8a5a1465d 100644
--- a/doc/reference_measure.xml
+++ b/doc/reference_measure.xml
@@ -727,7 +727,14 @@ FROM (SELECT ST_Buffer(ST_GeomFromText('POINT(1 2)'), 10) As smallc,
 (1 row)	</programlisting>
 		<para>Geeography Example</para>
 		<programlisting>
-
+-- a point with a 300 meter buffer compared to a point, a point and its 10 meter buffer
+SELECT ST_Covers(geog_poly, geog_pt) As poly_covers_pt, ST_Covers(ST_Buffer(geog_pt,10), geog_pt) As buff_10m_covers_cent
+	FROM (SELECT ST_Buffer(ST_GeogFromText('SRID=4326;POINT(-99.327 31.4821)'), 300) As geog_poly,
+				ST_GeogFromText('SRID=4326;POINT(-99.33 31.483)') As geog_pt ) As foo;
+				
+ poly_covers_pt | buff_10m_covers_cent
+----------------+------------------
+ f              | t
 		</programlisting>
 	  </refsection>