attribstorprovider.h

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#ifndef attribstorprovider_h
#define attribstorprovider_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          07-10-1999
 RCS:           $Id$
________________________________________________________________________

-*/

#include "attributeenginemod.h"
#include "attribprovider.h"
#include "bindatadesc.h"
#include "datapack.h"

class BufferStringSet;
class RegularSeisDataPack;
class SeisMSCProvider;
class SeisTrc;

namespace PosInfo{ class LineSet2DData; }

namespace Attrib
{

class DataHolder;

mExpClass(AttributeEngine) StorageProvider : public Provider
{ mODTextTranslationClass(StorageProvider)
public:

    static void         initClass();
    static const char*  attribName()            { return "Storage"; }
    static const char*  keyStr()                { return "id"; }

    int                 moveToNextTrace(BinID startpos=BinID(-1,-1),
                                        bool firstcheck=false);
    bool                getPossibleVolume(int outp,TrcKeyZSampling&);
    BinID               getStepoutStep() const;
    void                updateStorageReqs(bool all=true);
    void                adjust2DLineStoredVolume();
    Pos::GeomID         getGeomID() const;

    void                fillDataPackWithTrc(RegularSeisDataPack*) const;
    bool                needStoredInput() const { return true; }
    virtual void        getCompNames(BufferStringSet&) const;
    virtual float       getDistBetwTrcs(bool,const char* linenm =0) const;
    virtual bool        compDistBetwTrcsStats(bool force=false);
    BinID               getElementStepoutStoredSpecial() const;

protected:

                        StorageProvider(Desc&);
                        ~StorageProvider();

    static Provider*    createInstance(Desc&);
    static void         updateDesc(Desc&);
    static void         updateDescAndGetCompNms(Desc&,BufferStringSet*);

    bool                getLine2DStoredVolume();
    bool                checkInpAndParsAtStart();
    bool                allowParallelComputation() const { return false; }

    //From disc
    SeisMSCProvider*    getMSCProvider(bool&) const;
    bool                initMSCProvider();
    bool                setMSCProvSelData();

    //From memory (in Attrib::DataPacks)
    SeisTrc*            getTrcFromPack(const BinID&,int) const;
    DataPack::FullID    getDPID() const;

    void                setReqBufStepout(const BinID&,bool wait=false);
    void                setDesBufStepout(const BinID&,bool wait=false);
    bool                computeData(const DataHolder& output,
                                    const BinID& relpos,
                                    int t0,int nrsamples,int threadid) const;

    bool                fillDataHolderWithTrc(const SeisTrc*,
                                              const DataHolder&) const;
    bool                getZStepStoredData(float& step) const
                        { step = storedvolume_.zsamp_.step; return true; }
    bool                getZ0StoredData(float& z0) const
                        { z0 = storedvolume_.zsamp_.start; return true; }

    BinDataDesc         getOutputFormat(int output) const;
    
    bool                checkDesiredTrcRgOK(StepInterval<int>,
                                            StepInterval<float>);
    bool                checkDesiredVolumeOK();
    void                checkClassType(const SeisTrc*,BoolTypeSet&) const;
    bool                setTableSelData();
    bool                set2DRangeSelData();

    void                registerNewPosInfo(SeisTrc*,const BinID&,bool,bool&);
    bool                useInterTrcDist() const;
                        //to counter impossibility to create a virtual function

    TypeSet<BinDataDesc> datachar_;
    SeisMSCProvider*    mscprov_;
    BinID               stepoutstep_;
    TrcKeyZSampling     storedvolume_;
    bool                isondisc_;
    bool                useintertrcdist_;
    PosInfo::LineSet2DData*  ls2ddata_;

    enum Status        { Nada, StorageOpened, Ready } status_;
};

}; // namespace Attrib

#endif