From c2e7eacc065d975862a91ab0d25493131f4dcf9e Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 12 Jan 2009 13:12:04 +0000
Subject: [PATCH] Changed to use ref_ptr<> for scene model to avoid crash

---
 examples/osgvolume/osgvolume.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/osgvolume/osgvolume.cpp b/examples/osgvolume/osgvolume.cpp
index 8cd106b03..81c2bdf68 100644
--- a/examples/osgvolume/osgvolume.cpp
+++ b/examples/osgvolume/osgvolume.cpp
@@ -2284,7 +2284,7 @@ int main( int argc, char **argv )
     }
 
     // create a model from the images.
-    osg::Node* rootNode = 0;
+    osg::ref_ptr<osg::Node> rootNode = 0;
     
     if (useOsgVolume)
     {
@@ -2370,7 +2370,7 @@ int main( int argc, char **argv )
     {
 
         // set the scene to render
-        viewer.setSceneData(rootNode);
+        viewer.setSceneData(rootNode.get());
         
         // the the viewers main frame loop
         viewer.run();