Filtering/vtkKochanekSpline.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkKochanekSpline.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 __vtkKochanekSpline_h
#define __vtkKochanekSpline_h

#include "vtkSpline.h"

class VTK_FILTERING_EXPORT vtkKochanekSpline : public vtkSpline
{
public:
  vtkTypeRevisionMacro(vtkKochanekSpline,vtkSpline);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkKochanekSpline *New();

  void Compute ();
  
  float Evaluate (float t);


  vtkSetMacro(DefaultBias,float);
  vtkGetMacro(DefaultBias,float);


  vtkSetMacro(DefaultTension,float);
  vtkGetMacro(DefaultTension,float);


  vtkSetMacro(DefaultContinuity,float);
  vtkGetMacro(DefaultContinuity,float);

  virtual void DeepCopy(vtkSpline *s);

protected:
  vtkKochanekSpline();
  ~vtkKochanekSpline() {}

  void Fit1D (int n, float *x, float *y, float tension, float bias, 
              float continuity, float coefficients[][4], int leftConstraint, 
              float leftValue, int rightConstraint, float rightValue);

  float DefaultBias;
  float DefaultTension;
  float DefaultContinuity;

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

#endif

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