trckey.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kris/Bert/Salil
 Date:          2013
________________________________________________________________________

-*/

#include "basicmod.h"
#include "binid.h"

mExpClass(Basic) TrcKey
{
public:

    typedef Pos::SurvID         SurvID;
    typedef IdxPair::IdxType    IdxType;

                        TrcKey()                        { *this = udf(); }

                        //3D
                        TrcKey(const BinID&); // default 3D surv ID
                        TrcKey(SurvID,const BinID&);

                        //2D
                        TrcKey(Pos::GeomID,Pos::TraceID);

                        // Synthetic
    static TrcKey       getSynth(Pos::TraceID);

    bool                is2D() const { return is2D(survid_); }
    static bool         is2D(SurvID);

    inline bool         hasValidGeomID() const
                        { return survid_ != cUndefSurvID(); }
    Pos::GeomID         geomID() const;
    static Pos::GeomID  geomID(SurvID,const BinID&);
    TrcKey&             setGeomID(Pos::GeomID);

    bool                operator==(const TrcKey&) const;
    bool                operator!=(const TrcKey& oth) const
                        { return !(*this == oth); }

    inline bool         isUdf() const                   { return *this==udf(); }
    static const TrcKey& udf();
    static SurvID       std2DSurvID();
    static SurvID       std3DSurvID();
    static SurvID       stdSynthSurvID();
    static SurvID       cUndefSurvID();

    float               distTo(const TrcKey&) const;
    SurvID              survID() const                  { return survid_; }
    inline TrcKey&      setSurvID( SurvID id )
                        { survid_ = id; return *this; }

    const BinID&        position() const                { return pos_; }
    IdxType             lineNr() const                  { return pos_.row(); }
    IdxType             trcNr() const                   { return pos_.col(); }
    const BinID&        binID() const                   { return position(); }
    IdxType             inl() const                     { return lineNr(); }
    IdxType             crl() const                     { return trcNr(); }
    inline TrcKey&      setPosition( const BinID& bid )
                        { pos_ = bid; return *this; }
    inline TrcKey&      setLineNr( IdxType nr )
                        { pos_.row() = nr; return *this; }
    inline TrcKey&      setTrcNr( IdxType nr )
                        { pos_.col() = nr; return *this; }
    inline TrcKey&      setBinID( const BinID& bid )
                        { return setPosition(bid); }
    inline TrcKey&      setInl( IdxType nr )
                        { return setLineNr(nr); }
    inline TrcKey&      setCrl( IdxType nr )
                        { return setTrcNr(nr); }

    TrcKey&             setFrom(const Coord&);  
    Coord               getCoord() const;       

private:

    SurvID              survid_;
    BinID               pos_;

};