vtkAbstractVolumeMapper.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkAbstractVolumeMapper.h,v $

  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.

=========================================================================*/
#ifndef __vtkAbstractVolumeMapper_h
#define __vtkAbstractVolumeMapper_h

#include "vtkAbstractMapper3D.h"

class vtkRenderer;
class vtkVolume;
class vtkWindow;
class vtkDataSet;

class VTK_RENDERING_EXPORT vtkAbstractVolumeMapper : public vtkAbstractMapper3D
{
public:
  vtkTypeRevisionMacro(vtkAbstractVolumeMapper,vtkAbstractMapper3D);
  void PrintSelf( ostream& os, vtkIndent indent );


  virtual void SetInput( vtkDataSet * );
  vtkDataSet *GetDataSetInput();


  virtual double *GetBounds();
  virtual void GetBounds(double bounds[6])
    { this->vtkAbstractMapper3D::GetBounds(bounds); };
  
//BTX

  virtual float GetGradientMagnitudeScale() {return 1.0;};
  virtual float GetGradientMagnitudeBias()  {return 0.0;};
  virtual float GetGradientMagnitudeScale(int) {return 1.0;};
  virtual float GetGradientMagnitudeBias(int)  {return 0.0;};
  

  virtual void Render(vtkRenderer *ren, vtkVolume *vol)=0;

  virtual void ReleaseGraphicsResources(vtkWindow *) {};
  
//ETX

protected:
  vtkAbstractVolumeMapper();
  ~vtkAbstractVolumeMapper();
  
  // see algorithm for more info
  virtual int FillInputPortInformation(int port, vtkInformation* info);

private:
  vtkAbstractVolumeMapper(const vtkAbstractVolumeMapper&);  // Not implemented.
  void operator=(const vtkAbstractVolumeMapper&);  // Not implemented.
};


#endif

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