checkOverlaps.py

#!/bin/python
#==========================================================================
#  AIDA Detector description implementation for LCD
#--------------------------------------------------------------------------
# Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
# All rights reserved.
#
# For the licensing terms see $DD4hepINSTALL/LICENSE.
# For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
#
#==========================================================================

import sys, errno, optparse

parser = optparse.OptionParser()
parser.formatter.width = 132
parser.description = "Check TGeo geometries for overlaps."
parser.add_option("-c", "--compact", dest="compact", default=None,
                  help="Define LCCDD style compact xml input",
		  metavar="<FILE>")
parser.add_option("-p", "--print",
		  dest="print_overlaps", default=True,
                  help="Print overlap information to standard output (default:True)",
		  metavar="<boolean>")
parser.add_option("-q", "--quiet", 
                  action="store_false", dest="print_overlaps",
                  help="Do not print (disable --print)")
parser.add_option("-t", "--tolerance", dest="tolerance", default=0.1,
                  help="Overlap checking tolerance. Unit is in [mm]. (default:0.1 mm)",
		  metavar="<double number>")
parser.add_option("-o", "--option", dest="option", default='',
                  help="Overlap checking option ('' or 's')",
		  metavar="<string>")

(opts, args) = parser.parse_args()

if opts.compact is None:
  print "   ",parser.format_help()
  sys.exit(1)

try:
  import ROOT
  from ROOT import gROOT
  gROOT.SetBatch(1)
except ImportError,X:
  print 'PyROOT interface not accessible:',X
  print parser.format_help()
  sys.exit(errno.ENOENT)

try:
  import DD4hep
except ImportError,X:
  print 'DD4hep python interface not accessible:',X
  print parser.format_help()
  sys.exit(errno.ENOENT)
#
#
opts.tolerance = float(opts.tolerance)
DD4hep.setPrintLevel(DD4hep.OutputLevel.ERROR)
print '+++%s\n+++ Loading compact geometry:%s\n+++%s'%(120*'=',opts.compact,120*'=')
lcdd = DD4hep.Geo.LCDD.getInstance()
lcdd.fromXML(opts.compact)
print '+++%s\n+++ Checking overlaps of geometry:%s tolerance:%f option:%s\n+++%s'%(120*'=',opts.compact,opts.tolerance,opts.option,120*'=')
lcdd.manager().CheckOverlaps(opts.tolerance,opts.option)
#
#
if opts.print_overlaps:
  print '+++%s\n+++ Printing overlaps of geometry:%s\n+++%s'%(120*'=',opts.compact,120*'=')
  lcdd.manager().PrintOverlaps()
#
#
print '+++ Execution finished...'
sys.exit(0)