cmsRun_displayProdMFGeom_cfg.py

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import FWCore.ParameterSet.Config as cms

process = cms.Process("DISPLAY")

process.load("MagneticField.Engine.volumeBasedMagneticField_160812_cfi")

process.XMLIdealGeometryESSource = cms.ESSource("XMLIdealGeometryESSource",
    geomXMLFiles = cms.vstring('Geometry/CMSCommonData/data/normal/cmsextent.xml', 
                               'Geometry/CMSCommonData/data/cms.xml', 
                               'Geometry/CMSCommonData/data/cmsMagneticField.xml',
                               'MagneticField/GeomBuilder/data/MagneticFieldVolumes_160812_1.xml',
                               'MagneticField/GeomBuilder/data/MagneticFieldVolumes_160812_2.xml',
                               'Geometry/CMSCommonData/data/materials.xml'),
    rootNodeName = cms.string('cms:World')
 )

process.maxEvents = cms.untracked.PSet(
    input = cms.untracked.int32(1)
)

process.source = cms.Source("EmptySource")

process.EveService = cms.Service("EveService")


process.add_( cms.ESProducer(
        "TGeoMgrFromDdd",
        verbose = cms.untracked.bool(False),
        level   = cms.untracked.int32(8)
))


process.dump = cms.EDAnalyzer("DisplayGeom",
    nodes = cms.untracked.vstring("cmsMagneticField:MAGF_1"),
    level = cms.untracked.int32(2),
    MF_component = cms.untracked.string("B"), #Field map: None, B, AbsBZ, AbsBR, AvsBphi, BR, Bphi
    MF_pickable = cms.untracked.bool(False),   #Field map: pickable values
    
#Field map on ZY plane @ X=0
    MF_plane_d0 = cms.untracked.vdouble(0, -900, -2000),
    MF_plane_d1 = cms.untracked.vdouble(0, -900., 2000),
    MF_plane_d2 = cms.untracked.vdouble(0, 900., -2000.),

#Field map on XY plane @ Z=0
#    MF_plane_d0 = cms.untracked.vdouble(-900, -900, 0.),
#    MF_plane_d1 = cms.untracked.vdouble(-900, 900, 0.),
#    MF_plane_d2 = cms.untracked.vdouble(900, -900, 0.),

    MF_plane_N  = cms.untracked.int32(500), #Field map bins
   
    MF_plane_draw_dir =  cms.untracked.int32(False)
)

process.p = cms.Path(process.dump)