In This Package:

RpcPlane.h

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#ifndef _RPC_PLANE_H_
#define _RPC_PLANE_H_ 1

#include "CLHEP/Geometry/Point3D.h"
#include "CLHEP/Geometry/Normal3D.h"

using namespace std;

class RpcPlane
{
 public:

  RpcPlane(double xUp, double xLow,
           double yUp, double yLow,
           double z);

  virtual ~RpcPlane();

  bool intersect(const HepGeom::Point3D<double> & linePoint, const HepGeom::Normal3D<double> & lineSlope,
                 HepGeom::Point3D<double> & intersect );

  double xUp()  const { return m_xUp;  }
  double xLow() const { return m_xLow; }

  double yUp()  const { return m_yUp;  }
  double yLow() const { return m_yLow; }

  double z()  const { return m_z;  }


 private:
  /*     Conventions:
   *     x,y,z: It uses the same conventions as the other part of DayaBay geometry.
   *            x pointing to the exit of a hall.
   *     As long as three axises are perpendicular to their relevant walls, then this class will work.
   *     Make sure the muon track coordinates system is the same as that used to build this plane.
   *
   *
   */

  double m_xUp,m_xLow;
  double m_yUp,m_yLow;
  double m_z;

};

std::ostream & operator<<(std::ostream & os, const RpcPlane & p);

#endif // _RPC_PLANE_H_

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