From 2fe34c0b6d695eb444f558065d0f19f1623b7ee4 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 22 Jan 2004 10:43:59 +0000
Subject: [PATCH] Added setName("TileContent") on the subgraphs that represent
 the contents of the tiles, this name is then searched for during the
 TileMapper pre cull traversal to help cut short traversals, and thereby
 improve its performance.

---
 src/osgPlugins/txp/ReaderWriterTXP.cpp |  4 ++++
 src/osgPlugins/txp/TileMapper.cpp      | 14 +++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/osgPlugins/txp/ReaderWriterTXP.cpp b/src/osgPlugins/txp/ReaderWriterTXP.cpp
index 554fbb122..f720b4bab 100644
--- a/src/osgPlugins/txp/ReaderWriterTXP.cpp
+++ b/src/osgPlugins/txp/ReaderWriterTXP.cpp
@@ -66,6 +66,8 @@ osgDB::ReaderWriter::ReadResult ReaderWriterTXP::readNode(const std::string& fil
             return ReadResult::ERROR_IN_READING_FILE;
 
         osg::ref_ptr<osg::Node> tileContent = getTileContent(info,x,y,lod,archive);
+        
+        tileContent->setName("TileContent");
 
         int numLods = archive->getNumLODs();
         if (lod < (numLods-1))
@@ -124,6 +126,8 @@ osgDB::ReaderWriter::ReadResult ReaderWriterTXP::readNode(const std::string& fil
 
             osg::ref_ptr<osg::Node> tileContent = getTileContent(info,tileX,tileY,tileLOD,archive);
 
+            tileContent->setName("TileContent");
+
             if (tileLOD < (numLods-1))
             {
                 char pagedLODfile[1024];
diff --git a/src/osgPlugins/txp/TileMapper.cpp b/src/osgPlugins/txp/TileMapper.cpp
index 1fb7f51f8..82ce5bf83 100644
--- a/src/osgPlugins/txp/TileMapper.cpp
+++ b/src/osgPlugins/txp/TileMapper.cpp
@@ -44,6 +44,12 @@ float TileMapper::getDistanceFromEyePoint(const osg::Vec3& pos, bool withLODScal
 
 void TileMapper::apply(osg::Node& node)
 {
+    if (node.getName()=="TileContent") 
+    {
+        _containsGeode = true;
+        return;
+    }
+
     if (isCulled(node)) return;
 
     // push the culling mode.
@@ -57,6 +63,12 @@ void TileMapper::apply(osg::Node& node)
 
 void TileMapper::apply(osg::Group& node)
 {
+    if (node.getName()=="TileContent") 
+    {
+        _containsGeode = true;
+        return;
+    }
+
     if (isCulled(node)) return;
 
     // push the culling mode.
@@ -348,7 +360,7 @@ void TileMapper::checkValidityOfAllVisibleTiles()
         
     } while (!toRemoveList.empty());
     
-    if (!_blackListedNodeSet.empty()) std::cout<<"********** We have blacked list "<<_blackListedNodeSet.size()<<std::endl;
+//    if (!_blackListedNodeSet.empty()) std::cout<<"********** We have blacked list "<<_blackListedNodeSet.size()<<std::endl;
     
 }