survgeom.h

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#ifndef survgeom_h
#define survgeom_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H.Bril
 Date:          9-4-1996
 RCS:           $Id$
________________________________________________________________________

-*/

#include "factory.h"
#include "coord.h"
#include "refcount.h"
#include "threadlock.h"
#include "trckey.h"
#include "trckeyzsampling.h"

class TaskRunner;
class IOObj;

namespace Survey
{
class Geometry2D;
class Geometry3D;

mExpClass(Basic) Geometry
{ mRefCountImpl(Geometry)
public:

    typedef Pos::GeomID ID;
    enum RelationType   { UnRelated=0, Related, SubSet, SuperSet, Identical };
    virtual bool        is2D() const                    = 0;
    Pos::SurvID         getSurvID() const;
    static const Geometry& default3D();

    ID                  getID() const                   { return id_; }
    void                setID( ID id )                  { id_ = id; }
    virtual const char* getName() const                 = 0;

    virtual Coord       toCoord(Pos::LineID,Pos::TraceID) const         = 0;
    inline Coord        toCoord( const BinID& b ) const
                        { return toCoord( b.lineNr(), b.trcNr() ); }

    virtual bool        includes(Pos::LineID,Pos::TraceID) const        = 0;
    bool                includes(const TrcKey&) const;
    inline bool         includes( const BinID& b ) const
                        { return includes( b.lineNr(), b.trcNr() ); }

    static bool         exists(const TrcKey&);
    static Coord        toCoord(const TrcKey&);

    virtual TrcKey      getTrace(const Coord&,float maxdist) const;
    virtual TrcKey      nearestTrace(const Coord&,float* distance=0) const = 0;

    const TrcKeyZSampling&      sampling() const        { return sampling_; }

    virtual float               averageTrcDist() const                  = 0;
    virtual RelationType        compare(const Geometry&,bool usezrg) const
                                { return UnRelated; }

    //Convenience functions for the most commone geometries
    virtual Geometry2D*         as2D()                  { return 0; }
    const Geometry2D*           as2D() const;

    virtual Geometry3D*         as3D()                  { return 0; }
    const Geometry3D*           as3D() const;

protected:

                                Geometry();

    TrcKeyZSampling             sampling_;
private:

    ID                  id_;

};


mExpClass(Basic) GeometryManager
{ mODTextTranslationClass(GeometryManager)
public:

                                GeometryManager();
                                ~GeometryManager();

    const Geometry*             getGeometry(Geometry::ID) const;
    const Geometry*             getGeometry(const char*) const;
    const Geometry*             getGeometry(const MultiID&) const;

    const Geometry3D*           getGeometry3D(Pos::SurvID) const;

    int                         nrGeometries() const;

    Geometry::ID                getGeomID(const char* linenm) const;
    const char*                 getName(Geometry::ID) const;

    Coord                       toCoord(const TrcKey&) const;

    TrcKey                      traceKey(Geometry::ID,Pos::LineID,
                                         Pos::TraceID) const;
    TrcKey                      traceKey(Geometry::ID,Pos::TraceID) const;

    bool                        fillGeometries(TaskRunner*);
    bool                        getList(BufferStringSet& names,
                                        TypeSet<Geometry::ID>& ids,
                                        bool is2d) const;
    Geometry::ID                findRelated(const Geometry&,
                                            Geometry::RelationType&,
                                            bool usezrg) const;

    static TrcKey::SurvID       get2DSurvID()   { return surv2did_; }
    TrcKey::SurvID              default3DSurvID() const;
    static Geometry::ID         cUndefGeomID()  { return mUdf(Geometry::ID); }

protected:

    void                        ensureSIPresent() const;
    void                        addGeometry(Geometry&);

    int                         indexOf(Geometry::ID) const;
    bool                        hasDuplicateLineNames();

    Threads::Lock               lock_;
    ObjectSet<Geometry>         geometries_;
    static const TrcKey::SurvID surv2did_;

    bool                        hasduplnms_;

public:

    Geometry*                   getGeometry(Geometry::ID);
    bool                        write(Geometry&,uiString&);
    Geometry::ID                addNewEntry(Geometry*,uiString&);
    bool                        removeGeometry(Geometry::ID);

    Geometry::ID                getGeomID(const char* lsm,
                                          const char* linenm) const;
    bool                        fetchFrom2DGeom(uiString& errmsg);
                                //converts od4 geometries to od5 geometries.
    bool                        updateGeometries(TaskRunner*);
};


mGlobal(Basic) const GeometryManager& GM();
inline mGlobal(Basic) GeometryManager& GMAdmin()
{ return const_cast<GeometryManager&>( Survey::GM() ); }



mExpClass(Basic) GeometryReader
{
public:

    virtual             ~GeometryReader()               {}
                        mDefineFactoryInClass(GeometryReader,factory)

    virtual bool        read(ObjectSet<Geometry>&,TaskRunner*) const
                                                        { return true; }
    virtual bool        updateGeometries(ObjectSet<Geometry>&,TaskRunner*) const
                                                        { return true; }
};



mExpClass(Basic) GeometryWriter
{
public:

    virtual             ~GeometryWriter()               {}
                        mDefineFactoryInClass(GeometryWriter,factory)

    virtual bool        write(Geometry&,uiString&,
                              const char* crfromstr=0) const { return true; }
    virtual IOObj*      createEntry(const char*) const  { return 0; }
    virtual Geometry::ID createNewGeomID(const char*) const { return 0; }
    virtual bool        removeEntry(const char*) const  { return 0; }

};

} //namespace Survey

#define mUdfGeomID              Survey::GeometryManager::cUndefGeomID()
#define mIsUdfGeomID(geomid)    (geomid == mUdfGeomID)
//To cut the long story short.

#endif