dox/Imaging/vtkImageGradientMagnitude.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageGradientMagnitude.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.

=========================================================================*/
#ifndef __vtkImageGradientMagnitude_h
#define __vtkImageGradientMagnitude_h


#include "vtkThreadedImageAlgorithm.h"

class VTK_IMAGING_EXPORT vtkImageGradientMagnitude : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageGradientMagnitude *New();
  vtkTypeMacro(vtkImageGradientMagnitude,vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
  

  vtkSetMacro(HandleBoundaries, int);
  vtkGetMacro(HandleBoundaries, int);
  vtkBooleanMacro(HandleBoundaries, int);


  vtkSetClampMacro(Dimensionality,int,2,3);
  vtkGetMacro(Dimensionality,int);
  
protected:
  vtkImageGradientMagnitude();
  ~vtkImageGradientMagnitude() {};

  int HandleBoundaries;
  int Dimensionality;

  virtual int RequestInformation (vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*);
  virtual int RequestUpdateExtent(vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*);

  void ThreadedExecute (vtkImageData *inData, vtkImageData *outData,
                       int extent[6], int id);
private:
  vtkImageGradientMagnitude(const vtkImageGradientMagnitude&);  // Not implemented.
  void operator=(const vtkImageGradientMagnitude&);  // Not implemented.
};

#endif