From 53630a2b14e22090cbf18f31131b71dd2ce2eb9a Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 24 Apr 2008 16:24:16 +0000
Subject: [PATCH] From Wojchiech Lewandowski, add missing
 setDataVariance(DYNAMIC) and extra event handlers

---
 examples/osgprerender/osgprerender.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/examples/osgprerender/osgprerender.cpp b/examples/osgprerender/osgprerender.cpp
index c839254aa..cc4908e4d 100644
--- a/examples/osgprerender/osgprerender.cpp
+++ b/examples/osgprerender/osgprerender.cpp
@@ -40,6 +40,7 @@
 #include <osgDB/ReadFile>
 
 #include <osgViewer/Viewer>
+#include <osgViewer/ViewerEventHandlers>
 
 #include <iostream>
 
@@ -66,6 +67,8 @@ class MyGeometryCallback :
     
         virtual void update(osg::NodeVisitor* nv,osg::Drawable* drawable)
         {
+            // OpenThreads::Thread::microSleep( 1000 );
+            
             const osg::FrameStamp* fs = nv->getFrameStamp();
             double simulationTime = fs->getSimulationTime();
             if (_firstCall)
@@ -239,6 +242,9 @@ osg::Node* createPreRenderSubGraph(osg::Node* subgraph, unsigned tex_width, unsi
         // create the to visualize.
         osg::Geometry* polyGeom = new osg::Geometry();
 
+        polyGeom->setName( "PolyGeom" );
+
+        polyGeom->setDataVariance( osg::Object::DYNAMIC );
         polyGeom->setSupportsDisplayList(false);
 
         osg::Vec3 origin(0.0f,0.0f,0.0f);
@@ -280,7 +286,6 @@ osg::Node* createPreRenderSubGraph(osg::Node* subgraph, unsigned tex_width, unsi
 
         polyGeom->setTexCoordArray(0,texcoords);
 
-
         osg::Vec4Array* colors = new osg::Vec4Array;
         colors->push_back(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
         polyGeom->setColorArray(colors);
@@ -406,6 +411,15 @@ int main( int argc, char **argv )
     // construct the viewer.
     osgViewer::Viewer viewer(arguments);
 
+    // add stats
+    viewer.addEventHandler( new osgViewer::StatsHandler() );
+
+    // add the record camera path handler
+    viewer.addEventHandler(new osgViewer::RecordCameraPathHandler);
+
+    // add the threading handler
+    viewer.addEventHandler( new osgViewer::ThreadingHandler() );
+
     // if user request help write it out to cout.
     if (arguments.read("-h") || arguments.read("--help"))
     {