velocityfunctiongrid.h

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#ifndef velocityfunctiongrid_h
#define velocityfunctiongrid_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        K. Tingdahl
 Date:          April 2005
 RCS:           $Id$
________________________________________________________________________


-*/

#include "velocitymod.h"
#include "binidvalset.h"
#include "samplingdata.h"
#include "thread.h"
#include "velocityfunction.h"

class BinIDValueSet;
class Gridder2D;
class InterpolationLayerModel;

namespace Vel
{

class GriddedSource;

mExpClass(Velocity) GriddedFunction : public Function
{
public:
                                GriddedFunction(GriddedSource&);

    StepInterval<float>         getAvailableZ() const;
    bool                        moveTo(const BinID&);
    bool                        fetchSources();

    bool                        isInfluencedBy(const BinID&) const;

    void                        setGridder(const Gridder2D&); 
    Gridder2D*                  getGridder() { return gridder_; }
    void                        setLayerModel(const InterpolationLayerModel*);

protected:
                                ~GriddedFunction();
    friend                      class GriddedSource;

    bool                        computeVelocity(float z0, float dz, int nr,
                                        float* res ) const;
    ConstRefMan<Function>       getInputFunction(const BinID& bid,int& source);
    void                        fetchPerfectFit(const BinID&);

    ObjectSet<const Function>   velocityfunctions_;
    TypeSet<int>                sources_;
    const Function*             directsource_;

    Gridder2D*                  gridder_;
    const InterpolationLayerModel* layermodel_;

    mutable TypeSet<float>      gridvalues_;
};


mExpClass(Velocity) GriddedSource : public FunctionSource
{
public:
                                GriddedSource();
    const VelocityDesc&         getDesc() const;
    const char*                 factoryKeyword() const { return sType(); }
    static const char*          sType() { return "GridVelocity"; }

    const Gridder2D*            getGridder() const;
    void                        setGridder(Gridder2D*); 

    void                        setSource(ObjectSet<FunctionSource>&);
    void                        setSource(const TypeSet<MultiID>&);
    void                        getSources(TypeSet<MultiID>&) const;

    void                        setLayerModel(const InterpolationLayerModel*);

    const ObjectSet<FunctionSource>&    getSources() const;

    NotifierAccess*             changeNotifier() { return &notifier_; }
    BinID                       changeBinID() const { return changebid_; }

    GriddedFunction*            createFunction();

    void                        fillPar(IOPar&) const;
    bool                        usePar(const IOPar&);

protected:
    friend                      class GriddedFunction;
    GriddedFunction*            createFunction(const BinID&);
                                ~GriddedSource();
    bool                        initGridder();
    static const char*          sKeyGridder() { return "Gridder"; }

    void                        sourceChangeCB(CallBacker*);

    ObjectSet<FunctionSource>   datasources_;

    Notifier<GriddedSource>     notifier_;
    BinID                       changebid_;
    Gridder2D*                  gridder_;
    bool                        gridderinited_;
    const InterpolationLayerModel* layermodel_;

    BinIDValueSet               sourcepos_;             //All sources

    TypeSet<BinID>              gridsourcebids_;        //Filtered
    TypeSet<Coord>              gridsourcecoords_;      //Filtered
};

} // namespace Vel

#endif