text: import FWCore.ParameterSet.Config as cms
  
  process = cms.Process("GEOM")
  process.load("Geometry.TrackerCommonData.testGeometryXML_cfi")
  
  process.VisConfigurationService = cms.Service("VisConfigurationService",
      Views = cms.untracked.vstring('3D Window'),
      ContentProxies = cms.untracked.vstring('Simulation/Core', 
          'Simulation/Geometry', 
          'Simulation/MagField')
  )
  
  process.maxEvents = cms.untracked.PSet(
      input = cms.untracked.int32(1)
  )
  process.source = cms.Source("EmptySource")
  
  process.m = cms.EDProducer("GeometryProducer",
      MagneticField = cms.PSet(
          delta = cms.double(1.0)
      ),
      UseMagneticField = cms.bool(False),
      UseSensitiveDetectors = cms.bool(False)
  )
  
  process.p1 = cms.Path(process.m)
  
  