vtkParametricSuperEllipsoid.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkParametricSuperEllipsoid.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 __vtkParametricSuperEllipsoid_h
#define __vtkParametricSuperEllipsoid_h

#include "vtkParametricFunction.h"

class VTK_COMMON_EXPORT vtkParametricSuperEllipsoid : public vtkParametricFunction
{
public:
  vtkTypeRevisionMacro(vtkParametricSuperEllipsoid,vtkParametricFunction);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  static vtkParametricSuperEllipsoid *New();

  virtual int GetDimension() {return 2;}


  vtkSetMacro(XRadius,double);
  vtkGetMacro(XRadius,double);


  vtkSetMacro(YRadius,double);
  vtkGetMacro(YRadius,double);


  vtkSetMacro(ZRadius,double);
  vtkGetMacro(ZRadius,double);


  vtkSetMacro(N1,double);
  vtkGetMacro(N1,double);


  vtkSetMacro(N2,double);
  vtkGetMacro(N2,double);

  virtual void Evaluate(double uvw[3], double Pt[3], double Duvw[9]);

  virtual double EvaluateScalar(double uvw[3], double Pt[3], double Duvw[9]);

protected:
  vtkParametricSuperEllipsoid();
  ~vtkParametricSuperEllipsoid();

  // Variables
  double XRadius;
  double YRadius;
  double ZRadius;
  double N1;
  double N2;

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

  double Power ( double x, double n );

};

#endif

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