vtkQuaternionInterpolator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkQuaternionInterpolator.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 vtkQuaternionInterpolator_h
#define vtkQuaternionInterpolator_h
 
#include "vtkCommonMathModule.h" // For export macro
#include "vtkObject.h"
 
class vtkQuaterniond;
class vtkQuaternionList;
 
class VTKCOMMONMATH_EXPORT vtkQuaternionInterpolator : public vtkObject
{
public:
  vtkTypeMacro(vtkQuaternionInterpolator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  static vtkQuaternionInterpolator* New();
 
  int GetNumberOfQuaternions();
 
 
  double GetMinimumT();
  double GetMaximumT();
 
  void Initialize();
 
 
  void AddQuaternion(double t, const vtkQuaterniond& q);
  void AddQuaternion(double t, double q[4]);
 
  void RemoveQuaternion(double t);
 
 
  void InterpolateQuaternion(double t, vtkQuaterniond& q);
  void InterpolateQuaternion(double t, double q[4]);
 
//BTX
 
  enum {INTERPOLATION_TYPE_LINEAR=0,
        INTERPOLATION_TYPE_SPLINE
  };
//ETX
 
 
  vtkSetClampMacro(InterpolationType,int,INTERPOLATION_TYPE_LINEAR,
                   INTERPOLATION_TYPE_SPLINE);
  vtkGetMacro(InterpolationType,int);
  void SetInterpolationTypeToLinear()
    {this->SetInterpolationType(INTERPOLATION_TYPE_LINEAR);}
  void SetInterpolationTypeToSpline()
    {this->SetInterpolationType(INTERPOLATION_TYPE_SPLINE);}
 
protected:
  vtkQuaternionInterpolator();
  virtual ~vtkQuaternionInterpolator();
 
  // Specify the type of interpolation to use
  int InterpolationType;
 
  // Internal variables for interpolation functions
  vtkQuaternionList *QuaternionList; //used for linear quaternion interpolation
 
private:
  vtkQuaternionInterpolator(const vtkQuaternionInterpolator&);  // Not implemented.
  void operator=(const vtkQuaternionInterpolator&);  // Not implemented.
 
};
 
#endif