vtkVolumeRayCastIsosurfaceFunction.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkVolumeRayCastIsosurfaceFunction.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 __vtkVolumeRayCastIsosurfaceFunction_h
#define __vtkVolumeRayCastIsosurfaceFunction_h

#include "vtkVolumeRayCastFunction.h"

class VTK_VOLUMERENDERING_EXPORT vtkVolumeRayCastIsosurfaceFunction : public vtkVolumeRayCastFunction
{
public:
  vtkTypeRevisionMacro(vtkVolumeRayCastIsosurfaceFunction,vtkVolumeRayCastFunction);
  void PrintSelf( ostream& os, vtkIndent indent );

  static vtkVolumeRayCastIsosurfaceFunction *New();

  float GetZeroOpacityThreshold( vtkVolume *vol );


  vtkSetMacro( IsoValue, double );
  vtkGetMacro( IsoValue, double );

  
  double IsoValue;

  float       Color[3];

//BTX
  void CastRay( vtkVolumeRayCastDynamicInfo *dynamicInfo,
                vtkVolumeRayCastStaticInfo *staticInfo);
//ETX

protected:
  vtkVolumeRayCastIsosurfaceFunction();
  ~vtkVolumeRayCastIsosurfaceFunction();

//BTX
  void SpecificFunctionInitialize( vtkRenderer *ren,
                                   vtkVolume   *vol,
                                   vtkVolumeRayCastStaticInfo *staticInfo,
                                   vtkVolumeRayCastMapper *mapper );
//ETX
private:
  vtkVolumeRayCastIsosurfaceFunction(const vtkVolumeRayCastIsosurfaceFunction&);  // Not implemented.
  void operator=(const vtkVolumeRayCastIsosurfaceFunction&);  // Not implemented.
};
#endif

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