From aebad0e6d02f100eda50b47fd456f8aed618dbbd Mon Sep 17 00:00:00 2001
From: Kevin Neufeld <kneufeld.ca@gmail.com>
Date: Thu, 31 Jul 2008 04:57:39 +0000
Subject: [PATCH] replaced the mathematical gif expression in ST_Crosses with
 simple html markup

git-svn-id: http://svn.osgeo.org/postgis/trunk@2897 b70326c6-7e19-0410-871a-916f4a2858ee
---
 doc/html/images/st_crosses-math.gif | Bin 1923 -> 0 bytes
 doc/html/style.css                  |   3 ++-
 doc/reference_new.xml               |  13 ++++---------
 3 files changed, 6 insertions(+), 10 deletions(-)
 delete mode 100644 doc/html/images/st_crosses-math.gif

diff --git a/doc/html/images/st_crosses-math.gif b/doc/html/images/st_crosses-math.gif
deleted file mode 100644
index 306d119c9afe600b4ad9e04f8ba096cb4269c193..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/doc/html/style.css b/doc/html/style.css
index 2f04e409f..83ec35493 100644
--- a/doc/html/style.css
+++ b/doc/html/style.css
@@ -40,4 +40,5 @@ code { border-right-style: solid; border-right-color: #79791a; border-left-color
 .sect2 { margin-top: 40px; }
 .sect3 { margin-top: 30px; }
 .caption p {font-style: italic; font-size: 90%;}
-.remark { background: #ffff00; }
\ No newline at end of file
+.remark { background: #ffff00; }
+.equation {font-style: italic; font-size: 90%;}
\ No newline at end of file
diff --git a/doc/reference_new.xml b/doc/reference_new.xml
index 9322009cf..d216d6ac6 100644
--- a/doc/reference_new.xml
+++ b/doc/reference_new.xml
@@ -2596,16 +2596,11 @@ st_area
 
       <para>In mathematical terms, this is expressed as :</para>
 
-      <remark>TODO: replace this with a MathML equivalent</remark>
+      <para>
+        <equation>a.Crosses(b) &hArr; (dim(I(a) &cap; I(b)) &lt; max(dim(I(a)),dim(I(b))) 
+        &and; (a &cup; b &ne; a) &and; (a &cup; b &ne; b)</equation>
+      </para>
       
-      <informalfigure>
-        <mediaobject>
-          <imageobject>
-            <imagedata fileref="images/st_crosses-math.gif" />
-          </imageobject>
-        </mediaobject>
-      </informalfigure>
-
       <para>The DE-9IM Intersection Matrix for the two geometries is:</para>
 
       <itemizedlist>
-- 
2.50.1