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37 results

convert_to_gdml.py

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  • convert_to_gdml.py 1.22 KiB
    from __future__ import absolute_import, unicode_literals
    import os
    import time
    import logging
    
    import argparse
    parser = argparse.ArgumentParser(
         prog='convert_to_gdml.py',
         description='''Convert DD4Hep description to GDML''',
         epilog='''
         This program converts the compact detector file to a single GDML file.
             ''')
    parser.add_argument("-c", "--compact", help="compact detector file",default="athena.xml")
    parser.add_argument("-o", "--output", help="gdml detector file",default="athena.gdml")
    
    args = parser.parse_args()
    
    import DDG4
    from g4units import keV, GeV, mm, ns, MeV
    
    def run():
      kernel = DDG4.Kernel()
      description = kernel.detectorDescription()
      kernel.loadGeometry(str("file:" + args.compact))
    
      DDG4.importConstants(description)
    
      geant4 = DDG4.Geant4(kernel)
      ui = geant4.setupCshUI(ui=None)
      #
      # Setup the GDML writer action
      writer = DDG4.Action(kernel, 'Geant4GDMLWriteAction/Writer')
      writer.enableUI()
      kernel.registerGlobalAction(writer)
      ui.Commands = [
          '/ddg4/Writer/Output {}'.format(args.output),
          '/ddg4/Writer/OverWrite 1',
          '/ddg4/Writer/write'
          ]
      kernel.configure()
      kernel.initialize()
      kernel.run()
      kernel.terminate()
    
    
    if __name__ == "__main__":
      run()