Added Audio, Image, Movie, Model and Volume class to osgPresentation.

include/osgPresentation/Volume

@@ -0,0 +1,41 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
+ *
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * OpenSceneGraph Public License for more details.
+*/
+
+#ifndef OSGPRESENTATION_VOLUME
+#define OSGPRESENTATION_VOLUME 1
+
+#include <osgPresentation/Element>
+
+namespace osgPresentation {
+
+/** osgPresentation::Volume
+*/
+class OSGPRESENTATION_EXPORT Volume : public osgPresentation::Element
+{
+    public :
+
+        Volume() {}
+
+        /** Copy constructor using CopyOp to manage deep vs shallow copy. */
+        Volume(const Volume& volume,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY) : osgPresentation::Element(volume,copyop) {}
+
+        META_Node(osgPresentation, Volume);
+
+protected :
+
+        virtual ~Volume() {}
+};
+
+}
+
+#endif