ImplicitizeCurveAlgo.h

//===========================================================================
// GoTools - SINTEF Geometry Tools
//
// GoTools module: Implicitization, version 1.0
//
// 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            
// Foundation, Inc.,                                                      
// 59 Temple Place - Suite 330,                                           
// Boston, MA  02111-1307, USA.                                           
//
// Contact information: E-mail: tor.dokken@sintef.no                      
// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
// for:
// - Building commercial software.                                        
// - Building software whose source code you wish to keep private.        
//===========================================================================
#ifndef _IMPLICITIZECURVEALGO_H
#define _IMPLICITIZECURVEALGO_H


#include "BernsteinTriangularPoly.h"
#include "SplineCurve.h"
#include "BaryCoordSystem.h"


namespace Go {



class ImplicitizeCurveAlgo {
public:
    ImplicitizeCurveAlgo() : tol_(3.0e-15) { }
    explicit ImplicitizeCurveAlgo(int deg) : deg_(deg), tol_(3.0e-15) { }
    ImplicitizeCurveAlgo(const SplineCurve& curve, int deg)
        : curve_(curve), deg_(deg), tol_(3.0e-15) { }

    void useSplineCurve(const SplineCurve& curve)
    { curve_ = curve; }

    void setDegree(int deg)
    { deg_ = deg; }

    void setTolerance(double tol)
    { tol_ = tol; }

    void perform();

    void getResultData(BernsteinTriangularPoly& implicit,
                       BaryCoordSystem2D& bc, double& sigma_min)
    {
        implicit = implicit_;
        bc = bc_;
        sigma_min = sigma_min_;
    }

private:
    SplineCurve curve_;
    BernsteinTriangularPoly implicit_;
    BaryCoordSystem2D bc_;
    int deg_;
    double tol_;
    double sigma_min_;

};


} // namespace Go


#endif // _IMPLICITIZECURVEALGO_H

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