seisblocksreader.h

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#pragma once
 
/*
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Apr 2017
________________________________________________________________________
 
*/
 
#include "seisblocks.h"
#include "ranges.h"
#include "threadlock.h"
#include "typeset.h"
#include "uistring.h"
 
class od_istream;
class SeisTrc;
class SeisTrcInfo;
namespace PosInfo { class CubeData; class CubeDataPos; }
 
 
namespace Seis
{
 
class SelData;
 
namespace Blocks
{
 
class FileColumn;
class OffsetTable;
 
mExpClass(Seis) Reader : public IOClass
{ mODTextTranslationClass(Seis::Blocks::Reader);
public:
 
    typedef PosInfo::CubeData       CubeData;
 
                        Reader(const char* fnm);    
                        Reader(od_istream&);        
                        ~Reader();
 
    const uiRetVal&     state() const               { return state_; }
 
    BufferString        surveyName() const          { return survname_; }
    const CubeData&     positions() const           { return cubedata_; }
    inline int          nrComponents() const
                        { return componentNames().size(); }
    BoolTypeSet&        compSelected()              { return compsel_; }
    bool                depthInFeet() const         { return depthinfeet_; }
 
    void                setSelData(const SelData*);
 
    bool                goTo(const BinID&) const;
    uiRetVal            skip(int) const;
    uiRetVal            getTrcInfo(SeisTrcInfo&) const;
    uiRetVal            getNext(SeisTrc&) const;
    uiRetVal            get(const BinID&,SeisTrc&) const;
 
    void                close(); 
 
protected:
 
    typedef PosInfo::CubeDataPos    CubeDataPos;
 
    mutable od_istream* strm_;
    bool                strmmine_;
    SelData*            seldata_;
    LinScaler*          scaler_;
    DataInterp*         interp_;
    OffsetTable&        offstbl_;
    CubeData&           cubedata_;
    CubeDataPos&        curcdpos_;
    BufferString        survname_;
    bool                depthinfeet_;
 
    BoolTypeSet         compsel_;
    uiRetVal            state_;
    const Interval<float> zrgintrace_;
    const int           nrcomponentsintrace_;
    mutable bool        lastopwasgetinfo_;
 
    void                closeStream() const;
    bool                reset(uiRetVal&) const;
    bool                isSelected(const CubeDataPos&) const;
    bool                advancePos(CubeDataPos&) const;
    bool                doGoTo(const BinID&,uiRetVal&) const;
    void                doGet(SeisTrc&,uiRetVal&) const;
    void                fillInfo(const BinID&,SeisTrcInfo&) const;
    FileColumn*         getColumn(const HGlobIdx&,uiRetVal&) const;
    void                readTrace(SeisTrc&,uiRetVal&) const;
 
    friend class        FileColumn;
 
private:
 
    void                initFromFileName(const char*);
    void                readInfoFile(od_istream&);
    bool                getGeneralSectionData(const IOPar&);
    bool                getOffsetSectionData(const IOPar&);
 
};
 
 
} // namespace Blocks
 
} // namespace Seis