Graphics/vtkMassProperties.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkMassProperties.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 __vtkMassProperties_h
#define __vtkMassProperties_h

#include "vtkProcessObject.h"

class vtkPolyData;

class VTK_GRAPHICS_EXPORT vtkMassProperties : public vtkProcessObject
{
public:
  static vtkMassProperties *New();

  vtkTypeRevisionMacro(vtkMassProperties,vtkProcessObject);
  void PrintSelf(ostream& os, vtkIndent indent);

  double GetVolume() {this->Update(); return this->Volume;}


  double GetVolumeX() {this->Update(); return this->VolumeX;}
  double GetVolumeY() {this->Update(); return this->VolumeY;}
  double GetVolumeZ() {this->Update(); return this->VolumeZ;}


  double GetKx() {this->Update(); return this->Kx;}
  double GetKy() {this->Update(); return this->Ky;}
  double GetKz() {this->Update(); return this->Kz;}

  double GetSurfaceArea() {this->Update(); return this->SurfaceArea;}


  double GetNormalizedShapeIndex() 
    {this->Update(); return this->NormalizedShapeIndex;}

  void Update();
  
  void SetInput(vtkPolyData *input);
  vtkPolyData *GetInput();

protected:
  vtkMassProperties();
  ~vtkMassProperties();

  void Execute();

  double  SurfaceArea;
  double  Volume;
  double  VolumeX;
  double  VolumeY;
  double  VolumeZ;
  double  Kx;
  double  Ky;
  double  Kz;
  double  NormalizedShapeIndex;
  vtkTimeStamp ExecuteTime;

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

#endif

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