FastSimulation/ParticlePropagator/interface/MagneticFieldMap.h - master - githubmirror/cmssw

FastSimulation/ParticlePropagator/interface/MagneticFieldMap.h

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16 май 2019, 15:48

16 май 2019, 15:4812a0cf0

#ifndef FastSimulation_ParticlePropagator_MagneticFieldMap_H
#define FastSimulation_ParticlePropagator_MagneticFieldMap_H

// Framework Headers
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include "DataFormats/GeometryVector/interface/GlobalVector.h"

// Famos headers
#include "FastSimulation/TrackerSetup/interface/TrackerLayer.h"

#include <vector>
#include <string>

class MagneticField;
class TrackerInteractionGeometry;
class TH1;

class MagneticFieldMap {
public:
  // Constructor from a TrackerInteractionGeometry*
  MagneticFieldMap(const MagneticField* pmF, const TrackerInteractionGeometry* myGeo);

  const GlobalVector inTesla(const GlobalPoint&) const;
  const GlobalVector inKGauss(const GlobalPoint&) const;
  const GlobalVector inInverseGeV(const GlobalPoint&) const;
  const GlobalVector inTesla(const TrackerLayer& aLayer, double coord, int success) const;
  double inTeslaZ(const GlobalPoint&) const;
  double inKGaussZ(const GlobalPoint&) const;
  double inInverseGeVZ(const GlobalPoint&) const;
  double inTeslaZ(const TrackerLayer& aLayer, double coord, int success) const;

  const MagneticField& magneticField() const { return *pMF_; }

private:
  void initialize();

  const std::vector<double>* theFieldEndcapHisto(unsigned layer) const { return &(fieldEndcapHistos[layer]); }

  const std::vector<double>* theFieldBarrelHisto(unsigned layer) const { return &(fieldBarrelHistos[layer]); }

  const MagneticField* pMF_;
  const TrackerInteractionGeometry* geometry_;
  unsigned bins;
  std::vector<std::vector<double> > fieldBarrelHistos;
  std::vector<std::vector<double> > fieldEndcapHistos;
  std::vector<double> fieldBarrelBinWidth;
  std::vector<double> fieldBarrelZMin;
  std::vector<double> fieldEndcapBinWidth;
  std::vector<double> fieldEndcapRMin;
};

#endif  // FastSimulation_ParticlePropagator_MagneticFieldMap_H