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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2009 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 OSGVOLUME
#define OSGVOLUME 1
#include <osg/Group>
#include <osg/CoordinateSystemNode>
#include <osgVolume/VolumeTile>
namespace osgVolume {
/** Volume provides a framework for loosely coupling 3d image VolumeTile's with volume algorithms.
* This allows VolumeTechnique's to be plugged in at runtime.*/
class OSGVOLUME_EXPORT Volume : public osg::Group
{
public:
Volume();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
Volume(const Volume&,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Node(osgVolume, Volume);
virtual void traverse(osg::NodeVisitor& nv);
/** Get the VolumeTile for a given VolumeTileID.*/
VolumeTile* getVolumeTile(const TileID& tileID);
/** Get the const VolumeTile for a given VolumeTileID.*/
const VolumeTile* getVolumeTile(const TileID& tileID) const;
/** Set the VolumeTechnique prototype that nested VolumeTile should clone if they haven't already been assigned a volume rendering technique. */
void setVolumeTechniquePrototype(VolumeTechnique* volumeTechnique) { _volumeTechnique = volumeTechnique; }
/** Get the VolumeTechnique prototype. */
VolumeTechnique* getVolumeTechniquePrototype() { return _volumeTechnique.get(); }
/** Get the const VolumeTechnique prototype. */
const VolumeTechnique* getVolumeTechniquePrototype() const { return _volumeTechnique.get(); }
protected:
virtual ~Volume();
friend class VolumeTile;
void dirtyRegisteredVolumeTiles();
void registerVolumeTile(VolumeTile* tile);
void unregisterVolumeTile(VolumeTile* tile);
typedef std::map< TileID, VolumeTile* > VolumeTileMap;
typedef std::set< VolumeTile* > VolumeTileSet;
mutable OpenThreads::Mutex _mutex;
VolumeTileSet _volumeTileSet;
VolumeTileMap _volumeTileMap;
osg::ref_ptr<VolumeTechnique> _volumeTechnique;
};
}
#endif