MagneticField_cff.py

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# This is the default configuration for the magnetic field in CMSSW.
# Loads the field map corresponding to the current stored in the runInfo,
# with the geometry and configuration specified in the GT.
 
import FWCore.ParameterSet.Config as cms
from MagneticField.Engine.volumeBasedMagneticFieldFromDB_cfi import *
 
from MagneticField.Engine.volumeBasedMagneticFieldFromDB_dd4hep_cfi import VolumeBasedMagneticFieldESProducer as _VolumeBasedMagneticFieldESProducer_dd4hep
 
from Configuration.ProcessModifiers.dd4hep_cff import dd4hep
dd4hep.toReplaceWith(VolumeBasedMagneticFieldESProducer, _VolumeBasedMagneticFieldESProducer_dd4hep)
 
# Parabolic parametrized magnetic field used for track building (scaled to nominal map closest to current from runInfo)
from MagneticField.ParametrizedEngine.autoParabolicParametrizedField_cfi import ParametrizedMagneticFieldProducer as ParabolicParametrizedMagneticFieldProducer
ParabolicParametrizedMagneticFieldProducer.label = "ParabolicMf"