Par1FuncIntersector.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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// SINTEF ICT, Department of Applied Mathematics,                         
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//===========================================================================
#ifndef _PAR1FUNCINTERSECTOR_H
#define _PAR1FUNCINTERSECTOR_H


#include "IntersectorFuncConst.h"


namespace Go {




class Par1FuncIntersector : public IntersectorFuncConst {
public:

//     Par1FuncIntersector(boost::shared_ptr<ParamObjectInt> func,
//                      boost::shared_ptr<ParamObjectInt> C,
//                      double epsge,
//                      Intersector* prev = 0,
//                      int eliminated_parameter = -1,
//                      double eliminated_value = 0);                   

    Par1FuncIntersector(boost::shared_ptr<ParamFunctionInt> func,
                        boost::shared_ptr<ParamFunctionInt> C,
                        boost::shared_ptr<GeoTol> epsge,
                        Intersector *prev = 0,
                        int eliminated_parameter = -1,
                        double eliminated_value = 0);

    virtual ~Par1FuncIntersector();

//     // Validation of given intersection results
//     virtual void validate(int level, ValidationStat status);

    virtual int numParams() const
    { return 1; }
        
protected:
    // Data members

    virtual boost::shared_ptr<Intersector> 
    lowerOrderIntersector(boost::shared_ptr<ParamFunctionInt> obj1,
                          boost::shared_ptr<ParamFunctionInt> obj2,
                          Intersector* prev = 0,
                          int eliminated_parameter = -1,
                          double eliminated_value = 0);

    virtual int checkCoincidence();

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

    virtual int repairIntersections()
    { return 0; }

    virtual int doSubdivide();

private:

    // We return par in obj1_ of closest pt between objects.
    // The corr dist and valid range are also returned.
    void doIterate(double& par1, double& dist, double& tmin, double& tmax);

    int getSubdivisionParameter(int dir, double& par);

    void getIterationSeed(double seed[]);

};


} // namespace Go


#endif // _PAR1FUNCINTERSECTOR_H

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