Changeset 284 for experimental/TerrainTest/ReaderWriterTerrainMod.cpp

Timestamp:

May 25, 2011, 10:20:27 PM (13 years ago)

Author:

Torben Dannhauer

Message:

 

File:

• experimental/TerrainTest/ReaderWriterTerrainMod.cpp (modified) (3 diffs)

experimental/TerrainTest/ReaderWriterTerrainMod.cpp

@@ -1 +1 @@
 #include "ReaderWriterTerrainMod.h"
+#include <osg/KdTree>
 
 ReaderWriterTerrainMod::ReaderWriterTerrainMod()
@@ -23 +24 @@
                 return ReadResult::FILE_NOT_FOUND;
 
+        // Check and postphone KdTree creation
+        bool doKdTreeBuilder = (options && options->getBuildKdTreesHint()!=Options::NO_PREFERENCE) ?
+                options->getBuildKdTreesHint() == Options::BUILD_KDTREES :
+                                osgDB::Registry::instance()->getBuildKdTreesHint() == Options::BUILD_KDTREES;
+        // TODO: Modify passed option or create option with Options::DO_NOT_BUILD_KDTREES
+        if(!options)
+                options = new osgDB::ReaderWriter::Options();
+        options->setBuildKdTreesHint(Options::DO_NOT_BUILD_KDTREES);
+         
+
+
         // Load real file
         osg::Node *node = osgDB::readNodeFile( fileName, options );
@@ -32 +44 @@
     }
 
-        // Traverse through loaded graph, check for PagedLOD and modify all filenames of external references
+        // Traverse through loaded graph and
+        // a) check for PagedLOD and modify all filenames of external references
+        // b) modify tile if it is inside a modification ROI
         // This ensures ensures that higher LODs are loaded via terrainmod pseudo loader as well.
         ModificationVisitor modVisitor(extensionToAdd);
         node->accept( modVisitor );
+
+        // Finally create KdTree
+        if(doKdTreeBuilder)
+        {
+                OSG_WARN << "Building KdTree" << std::endl;
+                osg::ref_ptr<osg::KdTreeBuilder> builder = osgDB::Registry::instance()->getKdTreeBuilder();
+                node->accept(*builder);
+        }
+        else OSG_WARN << "No KdTree" << std::endl;
+
 
         return node;