From: Regina Obe <lr@pcorp.us>
Date: Sat, 23 Aug 2014 05:50:54 +0000 (+0000)
Subject: 2855: better documentation to reflect minkowski doesn't support polyhedral and tins
X-Git-Tag: 2.2.0rc1~877
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=041befde1ef241a22282bc313836e0442e242851;p=postgis

2855: better documentation to reflect minkowski doesn't support polyhedral and tins

git-svn-id: http://svn.osgeo.org/postgis/trunk@12915 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/doc/reference_sfcgal.xml b/doc/reference_sfcgal.xml
index ae4de1d87..2769903d5 100644
--- a/doc/reference_sfcgal.xml
+++ b/doc/reference_sfcgal.xml
@@ -291,7 +291,7 @@
 	  <refnamediv>
 		<refname>ST_MinkowskiSum</refname>
 
-		<refpurpose>Perform Minkowski sum</refpurpose>
+		<refpurpose>Performs Minkowski sum</refpurpose>
 	  </refnamediv>
 
 	  <refsynopsisdiv>
@@ -307,11 +307,12 @@
 	  <refsection>
 		<title>Description</title>
 
+                <para>This function performs a 2D minkowski sum of a point, line or polygon with a polygon.</para>
+                <para>The first parameter can be any 2D geometry (point, linestring, polygon). If a 3D geometry is passed, it will be converted to 2D by forcing Z to 0, leading to possible cases of invalidity. The second parameter must be a 2D polygon.</para>
+
 		<para>Availability: 2.1.0</para>
 		<para>&sfcgal_required;</para>
 		<para>&Z_support;</para>
-		<para>&P_support;</para>
-		<para>&T_support;</para>
 	  </refsection>
 
 	</refentry>