emobjectselremoval.h

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#ifndef emobjectselremoval_h
#define emobjectselremoval_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Umesh Sinha
 Date:          May 2009
 RCS:           $Id$
________________________________________________________________________

-*/

#include "earthmodelmod.h"
#include "emposid.h"
#include "selector.h"
#include "paralleltask.h"
#include "thread.h"

template <class T> class Selector;

namespace EM
{

class EMObject;

mExpClass(EarthModel) EMObjectRowColSelRemoval : public ParallelTask
{
public:
                        EMObjectRowColSelRemoval(EMObject& emobj,
                                                 const SectionID& secid,
                                                 const Selector<Coord3>&,
                                                 int nrrows,int nrcols,
                                                 int startrow,int startcol);
                        ~EMObjectRowColSelRemoval();

    const TypeSet<EM::SubID> getRemovelList()   { return removelist_; }

protected:

    od_int64            nrIterations() const    { return nrcols_*nrrows_; }
    bool                doWork( od_int64, od_int64, int );
    bool                doPrepare(int);

    void                processBlock(const RowCol&,const RowCol&);
    void                makeListGrow(const RowCol&,const RowCol&,int selresult);

    void                getBoundingCoords(const RowCol&,const RowCol&,
                                          Coord3& up,Coord3& down);


    EMObject&                   emobj_;
    const SectionID&            sectionid_;
    const Selector<Coord3>&     selector_;
    int                         startrow_;
    int                         nrrows_;
    int                         startcol_;
    int                         nrcols_;
    const float*                zvals_;

    TypeSet<RowCol>             starts_;
    TypeSet<RowCol>             stops_;
    Threads::ConditionVar       lock_;
    bool                        finished_;
    int                         nrwaiting_;
    int                         nrthreads_;

    TypeSet<EM::SubID>  removelist_;
};

} // namespace EM

#endif