From 19cfdfee273af3da8b9366aee8ea29ce93c2cd09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timo=20Westk=C3=A4mper?= <timo.westkamper@mysema.com>
Date: Fri, 14 Mar 2014 17:04:43 +0200
Subject: [PATCH] Update docs #631

---
 .../docbook/en-US/content/tutorials/spatial.xml   | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/querydsl-docs/src/main/docbook/en-US/content/tutorials/spatial.xml b/querydsl-docs/src/main/docbook/en-US/content/tutorials/spatial.xml
index 3db48a592..15ecd8127 100644
--- a/querydsl-docs/src/main/docbook/en-US/content/tutorials/spatial.xml
+++ b/querydsl-docs/src/main/docbook/en-US/content/tutorials/spatial.xml
@@ -160,4 +160,19 @@ List<SpatialRefSys> referenceSystems = query.from(spatialRefSys).list(spatialRef
   
   </sect2>
   
+  <sect2>
+  
+    <title>Inheritance</title>
+    
+    <para>In case you use only generic geometry types in your database schema you can use conversion methods
+    in the object model to convert to more specific types.</para>
+    
+    <programlisting language="java"><![CDATA[
+GeometryPath<Geometry> geometry = shapes.geometry;
+PointPath<Point> point = geometry.asPoint();
+NumberExpression<Double> pointX = point.x(); // x() is not available on GeometryExpression/GeometryPath
+]]></programlisting>
+  
+  </sect2>
+  
 </sect1>  
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