Renamed osg::CameraNode to osg::Camera, cleaned up osg::View.

Added beginnings of new osgViewer::Scene,View,Viewer,CompositeViewer and GraphicsWindowProxy files.

include/osgSim/ImpostorSprite

@@ -20,7 +20,7 @@
 #include <osg/AlphaFunc>
 #include <osg/TexEnv>
 #include <osg/Texture2D>
-#include <osg/CameraNode>
+#include <osg/Camera>
 
 #include <osgSim/Export>
 
@@ -152,13 +152,13 @@ class OSGSIM_EXPORT ImpostorSprite : public osg::Drawable
         virtual osg::BoundingBox computeBound() const;
         
         /** Set the camera node to use for pre rendering the impostor sprite's texture.*/
-        void setCameraNode(osg::CameraNode* camera) { _camera = camera; }
+        void setCamera(osg::Camera* camera) { _camera = camera; }
 
         /** Get the camera node to use for pre rendering the impostor sprite's texture.*/
-        osg::CameraNode* getCameraNode() { return _camera.get(); }
+        osg::Camera* getCamera() { return _camera.get(); }
 
         /** Get the const camera node to use for pre rendering the impostor sprite's texture.*/
-        const osg::CameraNode* getCameraNode() const { return _camera.get(); }
+        const osg::Camera* getCamera() const { return _camera.get(); }
 
     protected:
 
@@ -172,7 +172,7 @@ class OSGSIM_EXPORT ImpostorSprite : public osg::Drawable
         friend class osgSim::ImpostorSpriteManager;
         
         // camera node for doing the pre rendering.
-        osg::ref_ptr<osg::CameraNode> _camera;
+        osg::ref_ptr<osg::Camera> _camera;
 
         // support for a double linked list managed by the
         // ImposotorSpriteManager.

include/osgSim/OverlayNode

@@ -15,7 +15,7 @@
 #define OSGSIM_OVERLAYNODE 1
 
 #include <osg/buffered_value>
-#include <osg/CameraNode>
+#include <osg/Camera>
 #include <osg/Texture2D>
 #include <osg/TexGenNode>
 
@@ -82,10 +82,10 @@ class OSGSIM_EXPORT OverlayNode : public osg::Group
         
 
         /** Get the camera used to implement the render to texture of the overlay subgraph.*/
-        osg::CameraNode* getCamera() { return _camera.get(); }
+        osg::Camera* getCamera() { return _camera.get(); }
 
         /** Get the const camera used to implement the render to texture of the overlay subgraph.*/
-        const osg::CameraNode* getCamera() const { return _camera.get(); }
+        const osg::Camera* getCamera() const { return _camera.get(); }
         
     protected :
 
@@ -99,7 +99,7 @@ class OSGSIM_EXPORT OverlayNode : public osg::Group
         
         mutable TextureObjectValidList _textureObjectValidList;
 
-        osg::ref_ptr<osg::CameraNode>   _camera;
+        osg::ref_ptr<osg::Camera>   _camera;
         
         // overlay subgraph is render to a texture
         osg::ref_ptr<osg::Node>         _overlaySubgraph;