seisfetcher.h

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/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Nov 2016
________________________________________________________________________

-*/

#include "seistrc.h"
#include "trckeyzsampling.h"
class IOObj;
class Seis2DDataSet;
namespace PosInfo { class Line2DData; class Line2DDataIterator; }


namespace Seis
{

class Provider;
class Provider2D;
class Provider3D;

/*\brief Gets required traces from either DataPack or Storage

  The fetcher should transparently access the DataPack or the storage.
  There is no glue-ing going on in the Z direction. If the DataPack cannot
  satisfy the Z range requirements, then it will not be used.

  */

class Fetcher
{ mODTextTranslationClass(Seis::Fetcher);
public:

                        Fetcher(Provider&);
    virtual             ~Fetcher();

    virtual void        reset();
    bool                fillIOObj();
    IOObj*              getIOObj() const;

    Provider&           prov_;
    IOObj*              ioobj_;
    mutable uiRetVal    uirv_;

};


/*\brief Fetcher for 3D data. */

class Fetcher3D : public Fetcher
{ mODTextTranslationClass(Seis::Fetcher3D);
public:

                        Fetcher3D( Provider& p ) : Fetcher(p)   {}

    void                getReqCS();

    Provider3D&         prov3D();
    const Provider3D&   prov3D() const;

    bool                isSelectedBinID(const BinID&) const;
    bool                moveNextBinID();

    TrcKeyZSampling     reqcs_;
    BinID               nextbid_;

    virtual void                reset();
    virtual TrcKeyZSampling     getDefaultCS() const;

    bool                gtRanges(TrcKeyZSampling&) const;

    virtual void        doFillPar(IOPar&,uiRetVal&) const;
    virtual void        doUsePar(const IOPar&,uiRetVal&);

};


/*\brief Fetcher for 2D data. */

class Fetcher2D : public Fetcher
{ mODTextTranslationClass(Seis::Fetcher2D);
public:

                        Fetcher2D( Provider& p )
                            : Fetcher(p)
                            , dataset_(0)
                            , iter_(0)
                            , curlidx_(-1)              {}
                        ~Fetcher2D();

    Provider2D&         prov2D();
    const Provider2D&   prov2D() const;

    bool                isSelectedBinID(const BinID&) const;
    bool                moveNextBinID();

    void                openDataSet();
    bool                toNextLine();
    int                 lineIdxFor(Pos::GeomID) const;
    Pos::GeomID         curGeomID() const;

    Seis2DDataSet*      dataset_;
    TrcKey              nexttrcky_;
    int                 curlidx_;

    virtual void        reset();

    Seis2DDataSet*      mkDataSet() const;

    uiRetVal            gtComponentInfo(BufferStringSet&,
                                        TypeSet<Seis::DataType>&) const;
    int                 gtNrLines() const;
    Pos::GeomID         gtGeomID(int) const;
    BufferString        gtLineName(int) const;
    int                 gtLineNr(Pos::GeomID) const;
    void                gtGeometryInfo(int,PosInfo::Line2DData&) const;
    bool                gtRanges(int,StepInterval<int>&,ZSampling&) const;

    virtual void        doFillPar(IOPar&,uiRetVal&) const;
    virtual void        doUsePar(const IOPar&,uiRetVal&);

    PosInfo::Line2DDataIterator*        iter_;
    ObjectSet<PosInfo::Line2DData>      line2ddata_;

};


#define mIsSingleLine(sd) (sd && !mIsUdfGeomID(sd->geomID()))



} // namespace Seis