From d2aaa26c8836663aa7f89b4e7376f5b9b5b40afe Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Sat, 19 Jan 2008 13:31:12 +0000
Subject: [PATCH] Disabled the default enabling of update traversal on
 osgTerrain::Terrain as this was preventing PagedLOD subgraphs from expiring
 inactive subgraphs

---
 src/osgTerrain/Terrain.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/osgTerrain/Terrain.cpp b/src/osgTerrain/Terrain.cpp
index 835c009eb..0e1eb28a0 100644
--- a/src/osgTerrain/Terrain.cpp
+++ b/src/osgTerrain/Terrain.cpp
@@ -21,7 +21,7 @@ Terrain::Terrain():
     _requiresNormals(true),
     _treatBoundariesToValidDataAsDefaultValue(false)
 {
-    setNumChildrenRequiringUpdateTraversal(1);
+    //setNumChildrenRequiringUpdateTraversal(1);
     setThreadSafeRefUnref(true);
 }
 
@@ -32,7 +32,7 @@ Terrain::Terrain(const Terrain& terrain,const osg::CopyOp& copyop):
     _requiresNormals(terrain._requiresNormals),
     _treatBoundariesToValidDataAsDefaultValue(terrain._treatBoundariesToValidDataAsDefaultValue)
 {
-    setNumChildrenRequiringUpdateTraversal(getNumChildrenRequiringUpdateTraversal()+1);
+    //setNumChildrenRequiringUpdateTraversal(getNumChildrenRequiringUpdateTraversal()+1);
     
     if (terrain.getTerrainTechnique()) setTerrainTechnique(dynamic_cast<TerrainTechnique*>(terrain.getTerrainTechnique()->cloneType()));
 }