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/*=========================================================================
Program: Visualization Toolkit
Module: vtkUnstructuredGridVolumeRayCastFunction.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkUnstructuredGridVolumeRayCastFunction
* @brief a superclass for ray casting functions
*
*
* vtkUnstructuredGridVolumeRayCastFunction is a superclass for ray casting functions that
* can be used within a vtkUnstructuredGridVolumeRayCastMapper.
*
* @sa
* vtkUnstructuredGridVolumeRayCastMapper vtkUnstructuredGridVolumeRayIntegrator
*/
#ifndef vtkUnstructuredGridVolumeRayCastFunction_h
#define vtkUnstructuredGridVolumeRayCastFunction_h
#include "vtkRenderingVolumeModule.h" // For export macro
#include "vtkObject.h"
class vtkRenderer;
class vtkVolume;
class vtkUnstructuredGridVolumeRayCastIterator;
class VTKRENDERINGVOLUME_EXPORT vtkUnstructuredGridVolumeRayCastFunction : public vtkObject
{
public:
vtkTypeMacro(vtkUnstructuredGridVolumeRayCastFunction,vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
virtual void Initialize( vtkRenderer *ren, vtkVolume *vol )=0;
virtual void Finalize( )=0;
/**
* Returns a new object that will iterate over all the intersections of a
* ray with the cells of the input. The calling code is responsible for
* deleting the returned object.
*/
VTK_NEWINSTANCE
virtual vtkUnstructuredGridVolumeRayCastIterator *NewIterator() = 0;
protected:
vtkUnstructuredGridVolumeRayCastFunction() {}
~vtkUnstructuredGridVolumeRayCastFunction() {}
private:
vtkUnstructuredGridVolumeRayCastFunction(const vtkUnstructuredGridVolumeRayCastFunction&) VTK_DELETE_FUNCTION;
void operator=(const vtkUnstructuredGridVolumeRayCastFunction&) VTK_DELETE_FUNCTION;
};
#endif
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