From 47622e6134a3c00ec4c4b9c645bb808573d96835 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 8 Feb 2007 15:47:05 +0000
Subject: [PATCH] Fixed the FlattenStaticTransform visitor so that it excludes
 subgraphs that contain PagedLOD nodes

---
 include/osgUtil/Optimizer | 1 +
 src/osgUtil/Optimizer.cpp | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/include/osgUtil/Optimizer b/include/osgUtil/Optimizer
index cab8a0578..709401360 100644
--- a/include/osgUtil/Optimizer
+++ b/include/osgUtil/Optimizer
@@ -262,6 +262,7 @@ class OSGUTIL_EXPORT Optimizer
                 virtual void apply(osg::Geode& geode);
                 virtual void apply(osg::Billboard& geode);
                 virtual void apply(osg::ProxyNode& node);
+                virtual void apply(osg::PagedLOD& node);
                 virtual void apply(osg::Transform& transform);
 
                 bool removeTransforms(osg::Node* nodeWeCannotRemove);
diff --git a/src/osgUtil/Optimizer.cpp b/src/osgUtil/Optimizer.cpp
index 76e3d2c92..b1a9952c5 100644
--- a/src/osgUtil/Optimizer.cpp
+++ b/src/osgUtil/Optimizer.cpp
@@ -758,6 +758,7 @@ class CollectLowestTransformsVisitor : public BaseOptimizerVisitor
             // disable if object is a light point node.
             if (strcmp(node->className(),"LightPointNode")==0) return false;
             if (dynamic_cast<const osg::ProxyNode*>(node)) return false;
+            if (dynamic_cast<const osg::PagedLOD*>(node)) return false;
             return BaseOptimizerVisitor::isOperationPermissibleForObject(node);
         }
 
@@ -1096,6 +1097,13 @@ void Optimizer::FlattenStaticTransformsVisitor::apply(osg::ProxyNode& node)
     traverse(node);
 }
 
+void Optimizer::FlattenStaticTransformsVisitor::apply(osg::PagedLOD& node)
+{
+    _excludedNodeSet.insert(&node);
+
+    traverse(node);
+}
+
 
 void Optimizer::FlattenStaticTransformsVisitor::apply(osg::Geode& geode)
 {
@@ -1173,6 +1181,7 @@ bool Optimizer::FlattenStaticTransformsVisitor::removeTransforms(osg::Node* node
         titr!=_transformSet.end();
         ++titr)
     {
+        osg::notify(osg::NOTICE)<<"Disabling transform"<<std::endl;
         cltv.disableTransform(*titr);
     }