positionattrib.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Nanne Hemstra
 Date:          November 2002
________________________________________________________________________

-*/

#include "attributesmod.h"
#include "attribprovider.h"
#include "binid.h"
#include "arrayndimpl.h"

namespace Attrib
{

mExpClass(Attributes) Position : public Provider
{
public:
    static void                 initClass();
                                Position(Desc&);

    static const char*          attribName()    { return "Position"; }
    static const char*          stepoutStr()    { return "stepout"; }
    static const char*          gateStr()       { return "gate"; }
    static const char*          operStr()       { return "oper"; }
    static const char*          steeringStr()   { return "steering"; }
    static const char*          operTypeStr(int);
    void                        initSteering()  { stdPrepSteering(stepout_); }

    void                        prepPriorToBoundsCalc();
    virtual bool                isSingleTrace() const
                                { return !stepout_.inl() && !stepout_.crl(); }

protected:
                                ~Position();
    static Provider*            createInstance(Desc&);
    static void                 updateDesc(Desc&);

    bool                        allowParallelComputation() const
                                { return true; }

    bool                        getInputOutput(int inp,TypeSet<int>& res) const;
    bool                        getInputData(const BinID&,int zintv);
    bool                        computeData(const DataHolder&,
                                            const BinID& relpos,
                                            int z0,int nrsamples,
                                            int threadid) const;

    const BinID*                reqStepout(int input,int output) const
                                { return &stepout_; }
    const Interval<float>*      reqZMargin(int input,int output) const;
    const Interval<float>*      desZMargin(int input,int output) const;

    BinID                       stepout_;
    Interval<float>             gate_;
    int                         oper_;
    bool                        dosteer_;

    TypeSet<BinID>              positions_;
    Interval<float>             desgate_;

    int                         inidx_;
    int                         outidx_;
    TypeSet<int>                steerindexes_;

    ObjectSet<const DataHolder> inputdata_;
    Array2DImpl<const DataHolder*>* outdata_;
    const DataHolder*           steerdata_;
};

} // namespace Attrib