IntersectorAlgPar.h

//===========================================================================
// GoTools - SINTEF Geometry Tools
//
// GoTools module: Intersections, 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. 
//
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          
// GNU General Public License for more details.                           
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// along with this program; if not, write to the Free Software            
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//===========================================================================
#ifndef _INTERSECTORALGPAR_H
#define _INTERSECTORALGPAR_H


#include "Intersector.h"


namespace Go {



class AlgObjectInt;
class ParamObjectInt;
class IntersectorFuncConst;
class SplineCurve;
class SplineSurface;
class AlgObj2DInt;
class AlgObj3DInt;



class IntersectorAlgPar : public Intersector {
public:

    IntersectorAlgPar(boost::shared_ptr<AlgObjectInt> alg_obj,
                      boost::shared_ptr<ParamObjectInt> param_obj,
                      boost::shared_ptr<GeoTol> epsge,
                      Intersector* prev = 0,
                      int eliminated_parameter = -1,
                      double eliminated_value = 0);

    virtual ~IntersectorAlgPar(){};

    virtual void compute(bool compute_at_boundary = true);

    // Sends request to IntersectionPool.
    virtual void
    getResult(std::vector<boost::shared_ptr<IntersectionPoint> >& int_points,
              std::vector<boost::shared_ptr<IntersectionCurve> >& int_curves);

    virtual int numParams() const;

protected:

    boost::shared_ptr<ParamObjectInt> param_int_;

    boost::shared_ptr<AlgObjectInt> algobj_int_; // To be replaced by
                                                 // general algebraic
                                                 // object.

    // We create an object IntersectorFuncConst from the param_int_ &
    // algobj_int_.
    boost::shared_ptr<IntersectorFuncConst> int_func_const_;

    virtual void print_objs();

    virtual int getBoundaryIntersections();

    virtual int performInterception();

    virtual int simpleCase();

    virtual bool isLinear();

    virtual bool complexityReduced();

    virtual void handleComplexity();

    virtual int checkCoincidence();
    
    virtual void microCase();
    
    virtual int updateIntersections();

    virtual int repairIntersections()
    { return 0; }

    virtual int linearCase();

    virtual int doSubdivide();

    virtual void printDebugInfo();

private:

    boost::shared_ptr<IntersectorFuncConst> 
    insertCurveInAlgobj(SplineCurve* cv,
                        AlgObj2DInt* alg_obj2d_int,
                        boost::shared_ptr<GeoTol> epsge,
                        Intersector* intersector,
                        int eliminated_parameter,
                        double eliminated_value);

    boost::shared_ptr<IntersectorFuncConst>
    insertSurfaceInAlgobj(SplineSurface* sf,
                          AlgObj3DInt* alg_obj3d_int,
                          boost::shared_ptr<GeoTol>
                          epsge,
                          Intersector* intersector,
                          int eliminated_parameter,
                          double eliminated_value);

};


} // namespace Go


#endif // _INTERSECTORALGPAR_H

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