HermiteAppS.h

//===========================================================================
// GoTools - SINTEF Geometry Tools version 1.1
//
// GoTools module: CORE
//
// Copyright (C) 2000-2007 SINTEF ICT, Applied Mathematics, Norway.
//
// 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 version 2 of the License. 
//
// This program is distributed in the hope that it will be useful,        
// but WITHOUT ANY WARRANTY; without even the implied warranty of         
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          
// GNU General Public License for more details.                           
//
// You should have received a copy of the GNU General Public License      
// along with this program; if not, write to the Free Software            
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// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
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//===========================================================================
#ifndef _GOHERMITEAPPS_H_
#define _GOHERMITEAPPS_H_

#include "EvalCurve.h"
#include "SplineCurve.h"
#include "SplineSurface.h"
#include "HermiteGrid1DMulti.h"

namespace Go
{



class HermiteAppS
{
public:
    HermiteAppS(EvalCurveSet* surface, 
                  double tolerance1, 
                  double tolerance2, 
                  std::vector<int> dims);

    HermiteAppS(EvalCurveSet* surface, double initpars[], int n,
                  double tolerance1, double tolerance2, std::vector<int> dims);

    ~HermiteAppS(){}

    void refineApproximation(); // Refine Hermite Grid.

    std::vector<boost::shared_ptr<SplineCurve> > getCurves();

private:
    EvalCurveSet* surface_;     // Pointer to original surface existing outside *this.
    HermiteGrid1DMulti grid_; // We define a grid for all curves, separating point values.
    const double tol1_;
    const double tol2_;
    const double min_interval_; // Smaller intervals are not refined
    std::vector<boost::shared_ptr<SplineCurve> > curve_approx_; // Spline representations of approximation.
    /*   shared_ptr<SplineSurface> surface_approx_; // Spline representation of approximation */

    bool testSegment(int j, double& new_knot);  // Distance to _original
    int bisectSegment(int);


};


} // namespace Go

#endif // _GOHERMITEAPPS_H_

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