CloughTocherInterpolator.h

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/***************************************************************************
                          CloughTocherInterpolator.h  -  description
                             -------------------
    copyright            : (C) 2004 by Marco Hugentobler
    email                : [email protected]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef CLOUGHTOCHERINTERPOLATOR_H
#define CLOUGHTOCHERINTERPOLATOR_H

#include "NormVecDecorator.h"
#include "TriangleInterpolator.h"
#include "Point3D.h"
#include "Vector3D.h"
#include "MathUtils.h"
#include "Bezier3D.h"

class ANALYSIS_EXPORT CloughTocherInterpolator : public TriangleInterpolator
{
  protected:
    NormVecDecorator* mTIN;
    double mEdgeTolerance;
    Point3D point1;
    Point3D point2;
    Point3D point3;
    Point3D cp1;
    Point3D cp2;
    Point3D cp3;
    Point3D cp4;
    Point3D cp5;
    Point3D cp6;
    Point3D cp7;
    Point3D cp8;
    Point3D cp9;
    Point3D cp10;
    Point3D cp11;
    Point3D cp12;
    Point3D cp13;
    Point3D cp14;
    Point3D cp15;
    Point3D cp16;
    double der1X;
    double der1Y;
    double der2X;
    double der2Y;
    double der3X;
    double der3Y;
    Point3D lpoint1;
    Point3D lpoint2;
    Point3D lpoint3;
    void init( double x, double y );
    double calcBernsteinPoly( int n, int i, int j, int k, double u, double v, double w );

  public:
    CloughTocherInterpolator();
    CloughTocherInterpolator( NormVecDecorator* tin );
    virtual ~CloughTocherInterpolator();
    virtual bool calcNormVec( double x, double y, Vector3D* result ) override;
    virtual bool calcPoint( double x, double y, Point3D* result ) override;
    virtual void setTriangulation( NormVecDecorator* tin );
};

#endif