From ab66740fb09262b1525d6a7c776a2288d9f6a5cc Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 18 Feb 2010 09:00:37 +0000
Subject: [PATCH] Added new setNodePathTo() method

---
 include/osg/ObserverNodePath | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/osg/ObserverNodePath b/include/osg/ObserverNodePath
index ee7d27caf..925f606cf 100644
--- a/include/osg/ObserverNodePath
+++ b/include/osg/ObserverNodePath
@@ -40,19 +40,23 @@ class OSG_EXPORT ObserverNodePath : public osg::Observer
 
         bool valid() const { return _valid; }
 
+
+        /** get the NodePath from the first parental chain back to root, plus the specified node.*/
+        void setNodePathTo(osg::Node* node);
+
         void setNodePath(const osg::RefNodePath& nodePath);
 
         void setNodePath(const osg::NodePath& nodePath);
 
         void clearNodePath();
 
-        /** Get a thread safe RefNodePath.*/
+        /** Get a thread safe RefNodePath, return true if NodePath is valid.*/
         bool getRefNodePath(RefNodePath& refNodePath) const;
 
         /** Get a lightweight NodePath that isn't thread safe but
           * may be safely used in single threaded applications, or when
           * its known that the NodePath won't be invalidated during usage
-          * of the NodePath.*/
+          * of the NodePath. return true if NodePath is valid.*/
         bool getNodePath(NodePath& nodePath) const;
 
     protected: