vtkImageToImageStencil.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageToImageStencil.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 __vtkImageToImageStencil_h
#define __vtkImageToImageStencil_h


#include "vtkImageStencilSource.h"

class vtkImageData;

class VTK_IMAGING_EXPORT vtkImageToImageStencil : public vtkImageStencilSource
{
public:
  static vtkImageToImageStencil *New();
  vtkTypeRevisionMacro(vtkImageToImageStencil, vtkImageStencilSource);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetInput(vtkImageData *input);
  vtkImageData *GetInput();

  void ThresholdByUpper(double thresh);
  
  void ThresholdByLower(double thresh);
  
  void ThresholdBetween(double lower, double upper);
  

  vtkSetMacro(UpperThreshold, double);
  vtkGetMacro(UpperThreshold, double);
  vtkSetMacro(LowerThreshold, double);
  vtkGetMacro(LowerThreshold, double);

protected:
  vtkImageToImageStencil();
  ~vtkImageToImageStencil();

  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int, vtkInformation*);
  
  double UpperThreshold;
  double LowerThreshold;
  double Threshold;
private:
  vtkImageToImageStencil(const vtkImageToImageStencil&);  // Not implemented.
  void operator=(const vtkImageToImageStencil&);  // Not implemented.
};

#endif

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