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

diff --git a/doc/html/images/st_crosses-math.gif b/doc/html/images/st_crosses-math.gif
deleted file mode 100644 (file)
index 306d119..0000000
Binary files a/doc/html/images/st_crosses-math.gif and /dev/null differ

diff --git a/doc/html/style.css b/doc/html/style.css
index 2f04e409fce6ea7e7e40808e7fc7bc4127d4be5d..83ec3549307b635cba9d668e18aea2d6dd56795a 100644 (file)
--- 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 9322009cf6a0d4f542b66eb4e0113dc54ddb39ac..d216d6ac60ab5aab891225b495ebd05830498082 100644 (file)
--- 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>