From d5409942eeb3392d28bf1f1e5b73562dec20a17d Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 11 Feb 2005 17:22:55 +0000
Subject: [PATCH] Fixed spatial groups.

---
 src/osgUtil/Optimizer.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/osgUtil/Optimizer.cpp b/src/osgUtil/Optimizer.cpp
index eb2627354..0fff67fcb 100644
--- a/src/osgUtil/Optimizer.cpp
+++ b/src/osgUtil/Optimizer.cpp
@@ -2024,6 +2024,12 @@ bool Optimizer::SpatializeGroupsVisitor::divide(osg::Group* group, unsigned int
 
     osg::notify(osg::INFO)<<"Dividing "<<group->className()<<"  num children = "<<group->getNumChildren()<<"  xAxis="<<xAxis<<"  yAxis="<<yAxis<<"   zAxis="<<zAxis<<std::endl;
     
+    if (!xAxis && !yAxis && !zAxis)
+    {
+        osg::notify(osg::INFO)<<"  No axis to divide, stopping division."<<std::endl;
+        return false;
+    }
+    
     unsigned int numChildrenOnEntry = group->getNumChildren();
     
     typedef std::pair< osg::BoundingBox, osg::ref_ptr<osg::Group> > BoxGroupPair;