posprovider.h

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#ifndef posprovider_h
#define posprovider_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Bert
 Date:          Feb 2008
 RCS:           $Id$
________________________________________________________________________


-*/

#include "algomod.h"
#include "posfilter.h"
#include "ranges.h"
class TrcKeyZSampling;


namespace Pos
{

mExpClass(Algo) Provider : public virtual Filter
{
public:

    virtual bool        isProvider() const;

    virtual bool        toNextPos()                             = 0;
    virtual bool        toNextZ()                               = 0;
    virtual Coord       curCoord() const                        = 0;
    virtual float       curZ() const                            = 0;
    virtual TrcKey      curTrcKey() const                       = 0;
    virtual Pos::SurvID survID() const                          = 0;

    virtual od_int64    estNrPos() const                        = 0;
    virtual int         estNrZPerPos() const                    { return 1; }

    virtual float       estRatio(const Provider&) const;
    virtual void        getTrcKeyZSampling(TrcKeyZSampling&) const;

    static Provider*    make(const IOPar&,bool is2d);
};


mExpClass(Algo) Provider3D : public Filter3D
                           , public Provider
{
public:

    virtual bool        is2D() const            { return false; }

    virtual BinID       curBinID() const                                = 0;
    virtual TrcKey      curTrcKey() const { return TrcKey(survID(),curBinID());}
    virtual Coord       curCoord() const;

    virtual bool        includes(const BinID&,float z=mUdf(float)) const = 0;
    virtual bool        includes(const Coord&,float z=mUdf(float)) const;

    virtual void        getExtent(BinID& start,BinID& stop) const       = 0;
    virtual void        getZRange(Interval<float>&) const       = 0;
    virtual Pos::SurvID survID() const                  { return survid_; }
    virtual void        setSurvID(Pos::SurvID sid)      { survid_ = sid; }

    mDefineFactoryInClass(Provider3D,factory);
    static Provider3D*  make(const IOPar&);

protected:
                        Provider3D();

private:
    Pos::SurvID         survid_;

};


mExpClass(Algo) Provider2D : public Filter2D
                 , public Provider
{
public:

    virtual bool        is2D() const                            { return true; }

    virtual int         curNr() const                           = 0;
    virtual bool        includes(int,float z=mUdf(float), int nr=0) const= 0;
    virtual bool        includes(const Coord&,float z=mUdf(float)) const = 0;

    virtual void        getExtent(Interval<int>&,int lidx) const = 0;
    virtual void        getZRange(Interval<float>&,int lidx) const = 0;

    virtual Pos::SurvID survID() const;

    mDefineFactoryInClass(Provider2D,factory);
    static Provider2D*  make(const IOPar&);

};


} // namespace

#endif