NavCone.h

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#ifndef NavCone_H
#define NavCone_H

#include "DataFormats/GeometrySurface/interface/Cone.h"
#include "TrackPropagation/NavGeometry/interface/NavSurface.h"
#include "TrackPropagation/NavGeometry/interface/LinearSearchNavSurfaceImpl.h"
#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"

#include <vector>
class Bounds;

class NavCone : public NavSurface {
public:

/*     NavCone( const PositionType& pos, const RotationType& rot,  */
/*       const PositionType& vert, Geom::Theta<Scalar> angle) : */
/*  Surface( pos, rot), Cone( pos, rot, vert, angle), NavSurface( pos, rot) {} */

  NavCone( const Cone* cone) : theSurfaceP(cone) {}

  // FIXME: restore covariant return type when gcc version upgraded
  //virtual const Cone& surface() const {return *theSurfaceP;} 
    virtual const Surface& surface() const {return *theSurfaceP;} 

    virtual const NavVolume* nextVolume( const NavSurface::LocalPoint& point, 
                     SurfaceOrientation::Side side) const {
    return theImpl.nextVolume( point,side);
    }

    virtual TrajectoryStateOnSurface 
    propagate( const Propagator& prop, const TrajectoryStateOnSurface& startingState) const;

    virtual NavSurface::TSOSwithPath 
    propagateWithPath( const Propagator& prop, const TrajectoryStateOnSurface& startingState) const;

    virtual const Bounds* bounds( const NavVolume* vol) { return theImpl.bounds(vol);}

    virtual void addVolume( const NavVolume* vol, const Bounds* bounds, 
                SurfaceOrientation::Side side) {
    theImpl.addVolume( vol, bounds, side);
    }

    virtual std::pair<bool,double> 
    distanceAlongLine( const NavSurface::GlobalPoint& pos, const NavSurface::GlobalVector& dir) const;

private:

  ConstReferenceCountingPointer<Cone> theSurfaceP;
  LinearSearchNavSurfaceImpl theImpl;

};

#endif