vtkImageNonMaximumSuppression.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageNonMaximumSuppression.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 __vtkImageNonMaximumSuppression_h
#define __vtkImageNonMaximumSuppression_h

#define VTK_IMAGE_NON_MAXIMUM_SUPPRESSION_MAGNITUDE_INPUT 0
#define VTK_IMAGE_NON_MAXIMUM_SUPPRESSION_VECTOR_INPUT 1

#include "vtkThreadedImageAlgorithm.h"
#include "vtkImageData.h" // makes things a bit easier

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

  void SetMagnitudeInput(vtkImageData *input) {this->SetInput(0,input);};
  void SetVectorInput(vtkImageData *input) {this->SetInput(1,input);};
  

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


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

  int HandleBoundaries;
  int Dimensionality;
  
  virtual int RequestInformation (vtkInformation *, 
                                  vtkInformationVector **,
                                  vtkInformationVector *);

  virtual int RequestUpdateExtent(vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*);
  
  virtual void ThreadedRequestData(vtkInformation *request, 
                                   vtkInformationVector **inputVector, 
                                   vtkInformationVector *outputVector,
                                   vtkImageData ***inData, 
                                   vtkImageData **outData,
                                   int extent[6], int threadId);
  
private:
  vtkImageNonMaximumSuppression(const vtkImageNonMaximumSuppression&);  // Not implemented.
  void operator=(const vtkImageNonMaximumSuppression&);  // Not implemented.
};

#endif

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