FlatHexagon.h

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#ifndef GeometryCaloGeometryFlatHexagon_h
#define GeometryCaloGeometryFlatHexagon_h
 
#include "Geometry/CaloGeometry/interface/CaloCellGeometry.h"
#include <CLHEP/Geometry/Point3D.h>
#include <CLHEP/Geometry/Plane3D.h>
#include <CLHEP/Geometry/Vector3D.h>
#include <CLHEP/Geometry/Transform3D.h>
#include <cmath>
#include <vector>
 
class FlatHexagon : public CaloCellGeometry {
public:
  typedef CaloCellGeometry::CCGFloat CCGFloat;
  typedef CaloCellGeometry::Pt3D Pt3D;
  typedef CaloCellGeometry::Pt3DVec Pt3DVec;
  typedef CaloCellGeometry::Tr3D Tr3D;
 
  static constexpr uint32_t k_dZ = 0;  //Half-length along the z-axis
  static constexpr uint32_t k_r = 1;   //Half length along x-axis
  static constexpr uint32_t k_R = 2;   //Quarter of maximum dimension along y
 
  FlatHexagon(void);
 
  FlatHexagon(const FlatHexagon& tr);
 
  FlatHexagon& operator=(const FlatHexagon& tr);
 
  FlatHexagon(CornersMgr* cMgr,
              const GlobalPoint& fCtr,
              const GlobalPoint& bCtr,
              const GlobalPoint& cor1,
              const CCGFloat* parV);
 
  FlatHexagon(const CornersVec& corn, const CCGFloat* par);
 
  FlatHexagon(const FlatHexagon& tr, const Pt3D& local);
 
  ~FlatHexagon() override;
 
  GlobalPoint const& getPosition() const override { return m_global; }
  GlobalPoint getPosition(const Pt3D& local) const override;
  float etaPos() const override { return m_global.eta(); }
  float phiPos() const override { return m_global.phi(); }
  float etaSpan() const override;
  float phiSpan() const override;
  float zPos() const { return m_global.z(); }
  float dz() const { return param()[k_dZ]; }
  Pt3D getLocal(const GlobalPoint& global) const;
 
  // Return thetaAxis polar angle of axis of the crystal
  CCGFloat getThetaAxis() const;
 
  // Return phiAxis azimuthal angle of axis of the crystal
  CCGFloat getPhiAxis() const;
 
  void vocalCorners(Pt3DVec& vec, const CCGFloat* pv, Pt3D& ref) const override;
 
  const GlobalVector& axis() const;
 
  static void createCorners(const std::vector<CCGFloat>& pv, const Tr3D& tr, std::vector<GlobalPoint>& co);
 
  static void localCorners(Pt3DVec& vec, const CCGFloat* pv, Pt3D& ref);
 
  void getTransform(Tr3D& tr, Pt3DVec* lptr) const override;
 
  void setPosition(const GlobalPoint& p) {
    m_global = p;
    setRefPoint(p);
  }
 
  static constexpr double oneBySix_ = 1.0 / 6.0;
  static constexpr unsigned int ncorner_ = 12;
  static constexpr unsigned int ncornerBy2_ = 6;
 
private:
  void initCorners(CornersVec&) override;
 
  GlobalVector makeAxis(void);
 
  GlobalPoint backCtr(void) const;
  GlobalVector m_axis;
  Pt3D m_corOne, m_local;
  GlobalPoint m_global;
  Tr3D m_tr;
};
 
std::ostream& operator<<(std::ostream& s, const FlatHexagon& cell);
 
#endif