Azimuth on the 9th hour of the clock is 3PI/2, not 3PI/4 (thanks ij)

git-svn-id: http://svn.osgeo.org/postgis/trunk@9660 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/doc/reference_measure.xml b/doc/reference_measure.xml
index 3b3eadc94e848244b7baf6fde383c1c1446cf81a..44c2ed43a02cfc4a60574a14bd1f60edec715d88 100644 (file)
--- a/doc/reference_measure.xml
+++ b/doc/reference_measure.xml
@@ -724,7 +724,7 @@ SELECT ST_Area(the_geog)/POWER(0.3048,2) As sqft_spheroid,  ST_Area(the_geog,fal
                <refnamediv>
                  <refname>ST_Azimuth</refname>
 
-                 <refpurpose>Returns the angle in radians from the horizontal of the vector defined by pointA and pointB. Angle is computed clockwise from down-to-up: on the clock: 12=0; 3=PI/2; 6=PI; 9=3PI/4.</refpurpose>
+                 <refpurpose>Returns the angle in radians from the horizontal of the vector defined by pointA and pointB. Angle is computed clockwise from down-to-up: on the clock: 12=0; 3=PI/2; 6=PI; 9=3PI/2.</refpurpose>
                </refnamediv>
                <refsynopsisdiv>
                  <funcsynopsis>
@@ -745,7 +745,7 @@ SELECT ST_Area(the_geog)/POWER(0.3048,2) As sqft_spheroid,  ST_Area(the_geog,fal
 
                        <para>Returns the azimuth of the segment defined by the given
                        Point geometries, or NULL if the two points are coincident. Return
-                       value is in radians. Angle is computed clockwise from down-to-up: on the clock: 12=0; 3=PI/2; 6=PI; 9=3PI/4 </para>
+                       value is in radians. Angle is computed clockwise from down-to-up: on the clock: 12=0; 3=PI/2; 6=PI; 9=3PI/2 </para>
 
                        <para>The Azimuth is mathematical concept defined as the angle, in this case measured in radian, between a reference plane
                                and a point. </para>