Index: /OpenSceneGraph-TrainingMaterials/trunk/Presentations/PortingToOpenSceneGraph/PerformerToOSG.p3d
===================================================================
--- /OpenSceneGraph-TrainingMaterials/trunk/Presentations/PortingToOpenSceneGraph/PerformerToOSG.p3d (revision 10195)
+++ /OpenSceneGraph-TrainingMaterials/trunk/Presentations/PortingToOpenSceneGraph/PerformerToOSG.p3d (revision 11120)
@@ -207,13 +207,14 @@
 <page inherit="middle" title="Application Framework">
 Perfomer:
-    
+
     - perfly (argggg!!!)
 
-pfChannel -> Producer::Camera
-          -> Producer::CameraGroup
-          -> osg::CameraNode
+pfChannel -> osg::Camera
           
-pfPipe -> Producer::RenderSurface
-       -> osg::GraphicsContext
+pfPipe -> osg::GraphicsContext
+
+OpenSceneGraph adds osgViewer::View which has a single master Camera, and zero of more slave Cameras that have their
+modelview and projection matrices computed relative to the master.  Ideal for cylindrical displays, caves, power walls
+
 
 </page>