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/* -*-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 OSGVIEWER_PanoramicSphericalDisplay
#define OSGVIEWER_PanoramicSphericalDisplay 1
#include <osgViewer/View>
namespace osgViewer {
/** spherical display by rendering main scene to a panoramic 2:1 texture and then doing distortion correction to present onto a spherical display.*/
class OSGVIEWER_EXPORT PanoramicSphericalDisplay : public ViewConfig
{
public:
PanoramicSphericalDisplay(double radius=1.0, double collar=0.45, unsigned int screenNum=0, osg::Image* intensityMap=0, const osg::Matrixd& projectorMatrix = osg::Matrixd()):
_radius(radius),
_collar(collar),
_screenNum(screenNum),
_intensityMap(intensityMap),
_projectorMatrix(projectorMatrix) {}
PanoramicSphericalDisplay(const PanoramicSphericalDisplay& rhs, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
ViewConfig(rhs, copyop),
_radius(rhs._radius),
_collar(rhs._collar),
_screenNum(rhs._screenNum),
_intensityMap(rhs._intensityMap),
_projectorMatrix(rhs._projectorMatrix) {}
META_Object(osgViewer,PanoramicSphericalDisplay);
virtual void configure(osgViewer::View& view) const;
void setRadius(double r) { _radius = r; }
double getRadius() const { return _radius; }
void setCollar(double r) { _collar = r; }
double getCollar() const { return _collar; }
void setScreenNum(unsigned int n) { _screenNum = n; }
unsigned int getScreenNum() const { return _screenNum; }
void setIntensityMap(osg::Image* im) { _intensityMap = im; }
const osg::Image* getIntensityMap() const { return _intensityMap.get(); }
void setProjectionMatrix(const osg::Matrixd& m) { _projectorMatrix = m; }
const osg::Matrixd& getProjectionMatrix() const { return _projectorMatrix; }
protected:
osg::Geometry* createParoramicSphericalDisplayDistortionMesh(const osg::Vec3& origin, const osg::Vec3& widthVector, const osg::Vec3& heightVector, double sphere_radius, double collar_radius, osg::Image* intensityMap, const osg::Matrix& projectorMatrix) const;
double _radius;
double _collar;
unsigned int _screenNum;
osg::ref_ptr<osg::Image> _intensityMap;
osg::Matrixd _projectorMatrix;
};
}
#endif
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