MagneticFieldMapESProducer.cc

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#include "FastSimulation/ParticlePropagator/plugins/MagneticFieldMapESProducer.h"
#include "FastSimulation/TrackerSetup/interface/TrackerInteractionGeometryRecord.h"
#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
 
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/ModuleFactory.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
 
#include <memory>
 
MagneticFieldMapESProducer::MagneticFieldMapESProducer(const edm::ParameterSet& p) {
  setWhatProduced(this);
  _label = p.getUntrackedParameter<std::string>("trackerGeometryLabel", "");
 
  //    theTrackerMaterial = p.getParameter<edm::ParameterSet>("TrackerMaterial");
}
 
MagneticFieldMapESProducer::~MagneticFieldMapESProducer() {}
 
std::unique_ptr<MagneticFieldMap> MagneticFieldMapESProducer::produce(const MagneticFieldMapRecord& iRecord) {
  edm::ESHandle<TrackerInteractionGeometry> theInteractionGeometry;
  edm::ESHandle<MagneticField> theMagneticField;
 
  iRecord.getRecord<TrackerInteractionGeometryRecord>().get(_label, theInteractionGeometry);
  iRecord.getRecord<IdealMagneticFieldRecord>().get(theMagneticField);
 
  return std::make_unique<MagneticFieldMap>(&(*theMagneticField), &(*theInteractionGeometry));
}
 
DEFINE_FWK_EVENTSETUP_MODULE(MagneticFieldMapESProducer);