// BSurfCylinder.h

#ifndef BSurfCylinder_H
#define BSurfCylinder_H

// Cylinder with boundaries in z.
//
// ObjStream example:
//
// [ mysrf BSurfCylinder radius=30.0 zmin=-65. zmax=65. ]
//

#include "SurfCylinder.h"

namespace trf {

class BSurfCylinder : public SurfCylinder {

public:  // static methods

  // Return the type name.
  static TypeName get_type_name() { return "BSurfCylinder"; }

  // Return the creator.
  static ObjCreator get_creator();

  // Return the type.
  static Type get_static_type() { return get_creator(); }

private:

  // lower z-limit
  double _zmin;

  // upper z-limit
  double _zmax;

  // output stream
  void ostr(std::ostream& stream) const;

  // equality
  bool safe_bound_equal(const Surface& srf) const;

  // calculate crossing status from VTrack and error in z_track
  // This is used by both the public status methods.
  CrossStat status(const VTrack& trv, double dz) const;

public:

  // constructor
  BSurfCylinder(double radius, double zmin, double zmax);

  // destructor
  virtual ~BSurfCylinder() { };

  // return the min z
  double get_zmin() const { return _zmin; };

  // return the max z
  double get_zmax() const { return _zmax; };

  // Return the type.
  Type get_type() const { return get_static_type(); }

  // Write the object data.
  ObjData write_data() const;

  // clone
  Surface* new_surface() const;

  // calculate crossing status
  CrossStat status(const VTrack& trv) const;
  CrossStat status(const ETrack& tre) const;

};

}  // end namespace trf

#endif