TransformData.h

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/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2012  Belle II Collaboration                              *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Kirill Chilikin                                          *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
 
#pragma once
 
/* KLM headers. */
#include <klm/eklm/geometry/GeometryData.h>
#include <klm/dataobjects/KLMDigit.h>
 
/* CLHEP headers. */
#include <CLHEP/Geometry/Transform3D.h>
 
namespace Belle2 {
  namespace EKLM {
 
    class TransformData {
 
    public:
 
      enum Displacement {
        c_None,         
        c_Displacement, 
        c_Alignment,    
      };
 
      TransformData(bool global, Displacement displacementType);
 
      TransformData(const TransformData&) = delete;
 
      TransformData& operator=(const TransformData&) = delete;
 
      ~TransformData();
 
      const HepGeom::Transform3D* getSectionTransform(int section) const;
 
      const HepGeom::Transform3D*
      getLayerTransform(int section, int layer) const;
 
      const HepGeom::Transform3D*
      getSectorTransform(int section, int layer, int sector) const;
 
      const HepGeom::Transform3D*
      getPlaneTransform(int section, int layer, int sector, int plane) const;
 
      const HepGeom::Transform3D*
      getPlaneDisplacement(int section, int layer, int sector, int plane) const;
 
      const HepGeom::Transform3D*
      getSegmentTransform(int section, int layer, int sector, int plane,
                          int segment) const;
 
      const HepGeom::Transform3D* getStripLocalToGlobal(KLMDigit* hit) const;
 
      const HepGeom::Transform3D* getStripGlobalToLocal(KLMDigit* hit) const;
 
      const HepGeom::Transform3D*
      getStripTransform(int section, int layer, int sector, int plane,
                        int strip) const;
 
      const HepGeom::Transform3D*
      getStripGlobalToLocal(int section, int layer, int sector, int plane,
                            int strip) const;
 
      bool intersection(KLMDigit* hit1, KLMDigit* hit2,
                        HepGeom::Point3D<double>* cross,
                        double* d1, double* d2, double* sd,
                        bool segments = true) const;
 
      int getSectorByPosition(int section,
                              const HepGeom::Point3D<double>& position) const;
 
 
      int getStripsByIntersection(const HepGeom::Point3D<double>& intersection,
                                  int* strip1, int* strip2) const;
 
    private:
 
      void transformsToGlobal();
 
      const EKLMElementNumbers* m_ElementNumbers;
 
      const GeometryData* m_GeoDat;
 
      HepGeom::Transform3D* m_Section;
 
      HepGeom::Transform3D** m_Layer;
 
      HepGeom::Transform3D*** m_Sector;
 
      HepGeom::Transform3D**** m_Plane;
 
      HepGeom::Transform3D**** m_PlaneDisplacement;
 
      HepGeom::Transform3D***** m_Segment;
 
      HepGeom::Transform3D***** m_Strip;
 
      HepGeom::Transform3D***** m_StripInverse;
 
    };
 
  }
 
}