/data/refman/pasoursint/CMSSW_5_2_9/src/DataFormats/GeometrySurface/interface/Cone.h

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#ifndef Geom_Cone_H
#define Geom_Cone_H

#include "DataFormats/GeometrySurface/interface/Surface.h"
#include "boost/intrusive_ptr.hpp" 

class Cone : public virtual Surface {
public:
  typedef ReferenceCountingPointer<Cone> ConePointer;
  typedef ReferenceCountingPointer<Cone> ConstConePointer;


  static ConePointer build(const PositionType& pos,
                           const RotationType& rot,
                           const PositionType& vert,
                           Geom::Theta<Scalar> angle) {
    return ConePointer(new Cone(pos, rot, vert, angle));
  }


  // -- DEPRECATED CONSTRUCTOR

  Cone( const PositionType& pos, const RotationType& rot, 
        const PositionType& vert, Geom::Theta<Scalar> angle) :
    Surface( pos, rot), theVertex(vert), theAngle(angle) {}


  // -- Extension of Surface interface for cone

  GlobalPoint vertex() const {return theVertex;}

  Geom::Theta<float> openingAngle() const {return theAngle;}


  // -- Implementation of Surface interface    

  virtual Side side( const LocalPoint& p, Scalar tolerance) const {return side( toGlobal(p), tolerance);}
  virtual Side side( const GlobalPoint& p, Scalar tolerance) const;

  // Tangent plane to surface from global point
  virtual ReferenceCountingPointer<TangentPlane> tangentPlane (const GlobalPoint&) const;
  // Tangent plane to surface from local point
  virtual ReferenceCountingPointer<TangentPlane> tangentPlane (const LocalPoint&) const;

protected:
  // Private constructor - use build() instead
  Cone(const PositionType& pos, const RotationType& rot,
       const PositionType& vert, Geom::Theta<Scalar> angle,
       MediumProperties* mp) : 
    Surface(pos, rot, mp), theVertex(vert), theAngle(angle) {}

private:

  GlobalPoint             theVertex;
  Geom::Theta<Scalar>     theAngle;

};

#endif