vtkCurvatures.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkCurvatures.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 vtkCurvatures_h
#define vtkCurvatures_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
#define VTK_CURVATURE_GAUSS 0
#define VTK_CURVATURE_MEAN  1
#define VTK_CURVATURE_MAXIMUM 2
#define VTK_CURVATURE_MINIMUM 3
 
class VTKFILTERSGENERAL_EXPORT vtkCurvatures : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkCurvatures,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  static vtkCurvatures *New();
 
 
  vtkSetMacro(CurvatureType,int);
  vtkGetMacro(CurvatureType,int);
  void SetCurvatureTypeToGaussian()
  { this->SetCurvatureType(VTK_CURVATURE_GAUSS); }
  void SetCurvatureTypeToMean()
  { this->SetCurvatureType(VTK_CURVATURE_MEAN); }
  void SetCurvatureTypeToMaximum()
  { this->SetCurvatureType(VTK_CURVATURE_MAXIMUM); }
  void SetCurvatureTypeToMinimum()
  { this->SetCurvatureType(VTK_CURVATURE_MINIMUM); }
 
 
  vtkSetMacro(InvertMeanCurvature,int);
  vtkGetMacro(InvertMeanCurvature,int);
  vtkBooleanMacro(InvertMeanCurvature,int);
protected:
  vtkCurvatures();
 
  // Usual data generation method
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
  void GetGaussCurvature(vtkPolyData *output);
 
  // discrete Mean curvature (H) computation,
  // cf http://www-ipg.umds.ac.uk/p.batchelor/curvatures/curvatures.html
  void GetMeanCurvature(vtkPolyData *output);
 
  void GetMaximumCurvature(vtkPolyData *input, vtkPolyData *output);
 
  void GetMinimumCurvature(vtkPolyData *input, vtkPolyData *output);
 
 
  // Vars
  int CurvatureType;
  int InvertMeanCurvature;
 
private:
  vtkCurvatures(const vtkCurvatures&);  // Not implemented.
  void operator=(const vtkCurvatures&);  // Not implemented.
 
};
 
#endif