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

@@ -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];

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;
     
 }