explplaneintersection.h

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#pragma once
 
/*+
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        K. Tingdahl
 Date:          May 2008
 RCS:           $Id$
________________________________________________________________________
 
-*/
 
#include "geometrymod.h"
#include "indexedshape.h"
#include "coord.h"
 
class Plane3;
 
namespace Geometry
{
 
mExpClass(Geometry) ExplPlaneIntersection: public Geometry::IndexedShape,
                              public CallBacker
{
public:
                                ExplPlaneIntersection();
                                ~ExplPlaneIntersection();
 
    int                         nrPlanes() const;
    int                         planeID(int idx) const;
    const Coord3&               planeNormal(int id) const;
    const TypeSet<Coord3>&      planePolygon(int id) const;
 
    int                         addPlane(const Coord3& normal,
                                         const TypeSet<Coord3>&);
    bool                        setPlane(int id, const Coord3&,
                                         const TypeSet<Coord3>&);
    void                        removePlane(int id);
 
    void                        setShape(const IndexedShape&);
    const IndexedShape*         getShape() const;
                                
 
    bool                        needsUpdate() const;
    bool                        update(bool forceall,TaskRunner*);
    void                        removeAll(bool);
 
    void                        setZScale(float nz)     { zscale_ = nz; }
    float                       getZScale() const       { return zscale_; }
 
    struct PlaneIntersection    /*<based on per plane*/
    {
        bool                    operator==(const PlaneIntersection& n) const
                                { return conns_==n.conns_ && n.knots_==knots_; }
        TypeSet<Coord3>         knots_;
        TypeSet<int>            conns_; /*<based on knots_ only, -1 seperate*/
    };
    const TypeSet<PlaneIntersection>&   getPlaneIntersections() { return pis_; }
 
protected:
 
    friend                      class ExplPlaneIntersectionExtractor;
    
    const IndexedShape*                         shape_;
    int                                         shapeversion_;
    bool                                        needsupdate_;
 
    IndexedGeometry*                            intersection_;
 
    TypeSet<int>                                planeids_;
    ObjectSet<TypeSet<Coord3> >                 planepts_;
    TypeSet<Coord3>                             planenormals_;
 
    float                                       zscale_;
    TypeSet<PlaneIntersection>                  pis_;
};
 
};