polyposprovider.h

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#pragma once

/*+
________________________________________________________________________

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


-*/

#include "geometrymod.h"
#include "posprovider.h"
#include "dbkey.h"
class TrcKeySampling;
template <class T> class ODPolygon;

namespace Pos
{

mExpClass(Geometry) PolyProvider3D : public Provider3D
{
public:

                        PolyProvider3D();
                        PolyProvider3D(const PolyProvider3D&);
                        ~PolyProvider3D();
    PolyProvider3D&     operator =(const PolyProvider3D&);
    const char*         type() const;   
    const char*         factoryKeyword() const { return type(); }
    Provider*           clone() const   { return new PolyProvider3D(*this); }

    virtual bool        initialize(TaskRunner* tskr=0);
    virtual void        reset()         { initialize(); }

    virtual bool        toNextPos();
    virtual bool        toNextZ();

    virtual BinID       curBinID() const        { return curbid_; }
    virtual float       curZ() const            { return curz_; }
    virtual bool        includes(const BinID&,float) const;
    virtual void        usePar(const IOPar&);
    virtual void        fillPar(IOPar&) const;
    virtual void        getSummary(BufferString&) const;

    virtual void        getExtent(BinID&,BinID&) const;
    virtual void        getZRange(Interval<float>&) const;
    virtual od_int64    estNrPos() const;
    virtual int         estNrZPerPos() const    { return zrg_.nrSteps()+1; }

    const DBKey&        getDBKey() const        { return mid_; }
    void                setDBKey(const DBKey& mid)      { mid_ = mid; }

    ODPolygon<float>&   polygon()               { return poly_; }
    const ODPolygon<float>& polygon() const     { return poly_; }
    StepInterval<float>& zRange()               { return zrg_; }
    const StepInterval<float>& zRange() const   { return zrg_; }
    TrcKeySampling&     horSampling()           { return hs_; }
    const TrcKeySampling&       horSampling() const     { return hs_; }

    static ODPolygon<float>* polyFromPar(const IOPar&,int nr=0);

    virtual bool        includes( const Coord& c, float z ) const
                        { return Provider3D::includes(c,z); }

protected:

    ODPolygon<float>&   poly_;
    StepInterval<float> zrg_;
    TrcKeySampling&     hs_;
    DBKey               mid_;

    BinID               curbid_;
    float               curz_;

public:

    static void         initClass();
    static Provider3D*  create()                { return new PolyProvider3D; }

};


} // namespace