BFieldComponentBeamline.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <geometry/bfieldmap/BFieldComponentAbs.h>
#include <string>
 
namespace Belle2 {
  class BeamlineFieldMapInterpolation;

  class BFieldComponentBeamline : public BFieldComponentAbs {
 
  public:

    BFieldComponentBeamline();

    virtual ~BFieldComponentBeamline() override;

    BFieldComponentBeamline(const BFieldComponentBeamline&) = delete;

    BFieldComponentBeamline& operator=(const BFieldComponentBeamline&) = delete;

    virtual void initialize() override;

    virtual ROOT::Math::XYZVector calculate(const ROOT::Math::XYZVector& point) const override;
    bool isInRange(const ROOT::Math::XYZVector& point) const;

    static BFieldComponentBeamline& Instance();

    void setMapFilename(const std::string& filename_her, const std::string& filename_ler)
    {
      m_mapFilename_her = filename_her;
      m_mapFilename_ler = filename_ler;
    };

    void setInterpolateFilename(const std::string& filename_her, const std::string& filename_ler)
    {
      m_interFilename_her = filename_her;
      m_interFilename_ler = filename_ler;
    };

    void setMapRegionZ(double minZ, double maxZ, double offset = 0.)
    {
      m_mapRegionZ[0] = minZ;
      m_mapRegionZ[1] = maxZ;
      m_mapOffset = offset;
    }

    void setMapRegionR(double minR, double maxR)
    {
      m_mapRegionR[0] = minR;
      m_mapRegionR[1] = maxR;
    }

    void setBeamAngle(double beamAngle)
    {
      sincos(beamAngle, &m_sinBeamCrossAngle, &m_cosBeamCrossAngle);
    }

 
  private:
    std::string m_mapFilename_her{""};
    std::string m_mapFilename_ler{""};
    std::string m_interFilename_her{""};
    std::string m_interFilename_ler{""};
    double m_mapRegionZ[2] {0};
    double m_mapOffset{0};
    double m_mapRegionR[2] {0};
    double m_sinBeamCrossAngle{0};
    double m_cosBeamCrossAngle{1};
    BeamlineFieldMapInterpolation* m_her{0};
    BeamlineFieldMapInterpolation* m_ler{0};
  };

} //end of namespace Belle2