vtkCenterOfMass.h

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

  Program:   Visualization Toolkit
  Module:    vtkCenterOfMass.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 vtkCenterOfMass_h
#define vtkCenterOfMass_h

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkPointSetAlgorithm.h"

class vtkPoints;
class vtkDataArray;

class VTKFILTERSCORE_EXPORT vtkCenterOfMass : public vtkPointSetAlgorithm
{
public:
  static vtkCenterOfMass *New();
  vtkTypeMacro(vtkCenterOfMass,vtkPointSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;


  vtkSetVector3Macro(Center,double);
  vtkGetVector3Macro(Center,double);


  vtkSetMacro(UseScalarsAsWeights, bool);
  vtkGetMacro(UseScalarsAsWeights, bool);

  static void ComputeCenterOfMass(
    vtkPoints* input, vtkDataArray *scalars, double center[3]);

protected:
  vtkCenterOfMass();

  int RequestData(vtkInformation* request,
                  vtkInformationVector** inputVector,
                  vtkInformationVector* outputVector ) VTK_OVERRIDE;

private:

  vtkCenterOfMass(const vtkCenterOfMass&) VTK_DELETE_FUNCTION;
  void operator=(const vtkCenterOfMass&) VTK_DELETE_FUNCTION;

  bool UseScalarsAsWeights;
  double Center[3];
};

#endif