cscHashToHuman.py

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#!/afs/cern.ch/sw/lcg/external/Python/2.5/slc4_ia32_gcc34/bin/python
 
# Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration

 
from math import *
 
def getSector(phi,tech):
  return(2*phi + 50 - tech)
 
 
def hashToHuman(hash):
  nhash = hash #nhash =newhash
  
  #tech 
  techCut = 30720
  if(nhash >= techCut):
    tech = 51 #CSL
  else:
    tech = 50 #CSS
 
  nhash = nhash % techCut
 
  #Precision
  precCut = 24576
  if(nhash >= precCut):
    prec = "Y"
    range = techCut - precCut +1
  else:
    prec = "X"
    range = precCut
    
  nhash = nhash % precCut
 
  #Eta
  etaCut = range/2
  if(nhash >= etaCut):
    eta = 1
  else:
    eta = -1
 
  nhash = nhash % etaCut
  range = range/2
  
  #phi
  phiDiv = range/8
  phi = nhash/phiDiv +1
 
  nhash = nhash % phiDiv
  range = range/8
 
  #chamLay
  chamCut = range/2
  if(nhash >= chamCut):
    chamLay = 2
  else:
    chamLay =1
 
  nhash = nhash % chamCut
  range = range /2
  
  #wireLay
  wireDiv = range/4
  wireLay = nhash/wireDiv +1
 
  nhash = nhash % wireDiv
  range = range/4
 
  #strip
  strip = nhash +1
 
  sector = getSector(phi,tech)
 
  if(chamLay != 2):
    print '\n****Warning! Chamber layer = ' + str(chamLay) + '. 2 expected!****\n' 
  print 'chamLay: ' + str(chamLay) + ', eta: ' +  str(eta) + \
      ', sector ' + str(sector) + ', wireLayer ' + str(wireLay) + \
      ', direction: ' + prec + ', strip: ' + str(strip)
  return
 
#Start the program proper
 
while(1):
  print '\n'
  hash = input('Enter a hash ID (negative to quit): ')
  if(hash < 0):
    break
  hashToHuman(hash)