vtkStrahlerMetric.h

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

  Program:   Visualization Toolkit
  Module:    vtkStrahlerMetric.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.

=========================================================================*/
//-------------------------------------------------------------------------
//Copyright 2008 Sandia Corporation.
//Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
//the U.S. Government retains certain rights in this software.
//-------------------------------------------------------------------------
//
#ifndef __vtkStrahlerMetric_h
#define __vtkStrahlerMetric_h

#include "vtkFiltersStatisticsModule.h" // For export macro
#include "vtkTreeAlgorithm.h"

class vtkFloatArray;

class VTKFILTERSSTATISTICS_EXPORT vtkStrahlerMetric : public vtkTreeAlgorithm
{
public:
  static vtkStrahlerMetric *New();
  vtkTypeMacro(vtkStrahlerMetric,vtkTreeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetStringMacro(MetricArrayName);


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


  vtkGetMacro(MaxStrahler,float);

protected:
  vtkStrahlerMetric();
  ~vtkStrahlerMetric();

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  int Normalize;
  float MaxStrahler;
  char *MetricArrayName;

  float CalculateStrahler(vtkIdType root, vtkFloatArray *metric, vtkTree *graph);

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

#endif