emrandlinegen.h

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#ifndef emrandlinegen_h
#define emrandlinegen_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Nov 2007
 RCS:           $Id$
________________________________________________________________________


-*/

#include "earthmodelmod.h"
#include "earthmodelmod.h"
#include "ranges.h"
#include "coord.h"
class RandomLineSet;
template <class T> class ODPolygon;
namespace Geometry { class RandomLine; class RandomLineSet; }


namespace EM
{
class Horizon3D;
class Horizon3DGeometry;

mExpClass(EarthModel) RandomLineSetByContourGenerator
{
public:

    mStruct(EarthModel) Setup
    {
                        Setup(bool linezrgisrelative=true);

        mDefSetupMemb(StepInterval<float>,contzrg) 
        mDefSetupMemb(Interval<float>,linezrg)  
        mDefSetupMemb(bool,isrel)               
        mDefSetupMemb(int,sectionnr)            
        mDefSetupMemb(const ODPolygon<float>*,selpoly)
        mDefSetupMemb(int,nrlargestonly)        
        mDefSetupMemb(int,minnrvertices)        
    };

                        RandomLineSetByContourGenerator(const Horizon3D&,
                                                        const Setup&);
    Setup&              setup()                 { return setup_; }

    void                createLines(Geometry::RandomLineSet&) const;

protected:

    const Horizon3D&    hor_;
    const Horizon3DGeometry& geom_;
    Setup               setup_;

};


mExpClass(EarthModel) RandomLineByShiftGenerator
{
public:

                        RandomLineByShiftGenerator(
                                const Geometry::RandomLineSet& rls,
                                float d=1, int s=0 )
                            : rls_(rls), dist_(d), side_(s)     {}

    const Geometry::RandomLineSet& rls_;
    float               dist_;
    int                 side_; 

    void                generate(Geometry::RandomLineSet&,
                                 int linenr_in_inp_set=0) const;

protected:

    void                crLine(const Geometry::RandomLine&,bool,
                                Geometry::RandomLineSet&) const;
    bool                getShifted(Coord,Coord,Coord&,Coord&,bool) const;
    bool                getIntersection(Coord,Coord,Coord,Coord,Coord&) const;

};

} // namespace EM

#endif