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Functions
genutils Namespace Reference

Functions

def allDaughters
 
def bosonToX
 
def findStatus1Leptons
 
def isNotFromHadronicShower
 
def isNotHadronicId
 
def isPromptLepton
 
def lastGenCopy
 
def realGenDaughters
 
def realGenMothers
 

Function Documentation

def genutils.allDaughters (   particle,
  daughters,
  rank 
) 
Fills daughters with all the daughters of particle.
Recursive function.

Definition at line 19 of file genutils.py.

Referenced by bosonToX().

19 
20 def allDaughters(particle, daughters, rank ):
21  '''Fills daughters with all the daughters of particle.
22  Recursive function.'''
23  rank += 1
24  for i in range( particle.numberOfDaughters() ):
25  dau = GenParticle(particle.daughter(i))
26  dau.rank = rank
27  daughters.append( dau )
28  daughters = allDaughters( dau, daughters, rank )
29  return daughters
30 
genutils.allDaughters
def allDaughters
Definition: genutils.py:19
def genutils.bosonToX (   particles,
  bosonType,
  xType 
)

Definition at line 31 of file genutils.py.

References funct.abs(), allDaughters(), and alcazmumu_cfi.filter.

31 
32 def bosonToX(particles, bosonType, xType):
33  bosons = filter(lambda x: x.status()==3 and x.pdgId()==bosonType, particles)
34  daughters = []
35  if len(bosons)==0:
36  return [], False
37  boson = bosons[0]
38  daus = []
39  allDaughters( boson, daus, 0)
40  xDaus = filter(lambda x: x.status()==3 and abs(x.pdgId())==xType, daus)
41  # print printOut(xDaus)
42  return xDaus, True
genutils.allDaughters
def allDaughters
Definition: genutils.py:19
alcazmumu_cfi.filter
tuple filter
Definition: alcazmumu_cfi.py:34
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
genutils.bosonToX
def bosonToX
Definition: genutils.py:31
def genutils.findStatus1Leptons (   particle) 
Returns status 1 e and mu among the particle daughters

Definition at line 4 of file genutils.py.

References funct.abs().

4 
5 def findStatus1Leptons(particle):
6  '''Returns status 1 e and mu among the particle daughters'''
7  leptons = []
8  for i in range( particle.numberOfDaughters() ):
9  dau = particle.daughter(i)
10  if dau.status() == 1:
11  if abs(dau.pdgId())==11 or abs(dau.pdgId())==13:
12  leptons.append( dau )
13  else:
14  continue
15  else:
16  leptons = findStatus1Leptons( dau, leptons )
17  return leptons
18 
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
genutils.findStatus1Leptons
def findStatus1Leptons
Definition: genutils.py:4
def genutils.isNotFromHadronicShower (   l)

Definition at line 65 of file genutils.py.

References funct.abs().

Referenced by gen.GeneratorAnalyzer.GeneratorAnalyzer.makeMCInfo().

65 
66 def isNotFromHadronicShower(l):
67  for x in xrange(l.numberOfMothers()):
68  mom = l.mother(x)
69  if mom.status() > 2: return True
70  id = abs(mom.pdgId())
71  if id > 1000000: return True
72  if id > 100: return False
73  if id < 6: return False
74  if id == 21: return False
75  if id in [11,12,13,14,15,16]:
76  if l.status() > 2: return True
77  return isNotFromHadronicShower(mom)
78  if id >= 22 and id <= 39: return True
79  return True
genutils.isNotFromHadronicShower
def isNotFromHadronicShower
Definition: genutils.py:65
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
def genutils.isNotHadronicId (   pdgId,
  includeSMLeptons = True 
)

Definition at line 43 of file genutils.py.

References funct.abs().

Referenced by isPromptLepton().

43 
44 def isNotHadronicId(pdgId,includeSMLeptons=True):
45  if abs(pdgId) in [11,12,13,14,15,16]:
46  return includeSMLeptons
47  i = (abs(pdgId) % 1000)
48  return i > 10 and i != 21 and i < 100
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
genutils.isNotHadronicId
def isNotHadronicId
Definition: genutils.py:43
def genutils.isPromptLepton (   lepton,
  beforeFSR,
  includeMotherless = True,
  includeTauDecays = False 
)

Definition at line 49 of file genutils.py.

References funct.abs(), and isNotHadronicId().

Referenced by objects.LeptonAnalyzer.LeptonAnalyzer.matchAnyLeptons().

49 
50 def isPromptLepton(lepton, beforeFSR, includeMotherless=True, includeTauDecays=False):
51  if abs(lepton.pdgId()) not in [11,13,15]:
52  return False
53  if lepton.numberOfMothers() == 0:
54  return includeMotherless;
55  mom = lepton.mother()
56  if mom.pdgId() == lepton.pdgId():
57  if beforeFSR: return False
58  return isPromptLepton(mom, beforeFSR, includeMotherless, includeTauDecays)
59  elif abs(mom.pdgId()) == 15:
60  if not includeTauDecays: return False
61  return isPromptLepton(mom, beforeFSR, includeMotherless, includeTauDecays)
62  else:
63  return isNotHadronicId(mom.pdgId(), includeSMLeptons=False)
64 
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
genutils.isNotHadronicId
def isNotHadronicId
Definition: genutils.py:43
genutils.isPromptLepton
def isPromptLepton
Definition: genutils.py:49
def genutils.lastGenCopy (   gp)

Definition at line 111 of file genutils.py.

References SingleMuPt40Fwdv2_cfi_GEN_SIM.pdgId.

111 
112 def lastGenCopy(gp):
113  me = gp.pdgId();
114  for i in xrange(gp.numberOfDaughters()):
115  if gp.daughter(i).pdgId() == me:
116  return False
117  return True
118 
119 
genutils.lastGenCopy
def lastGenCopy
Definition: genutils.py:111
SingleMuPt40Fwdv2_cfi_GEN_SIM.pdgId
tuple pdgId
Definition: SingleMuPt40Fwdv2_cfi_GEN_SIM.py:85
def genutils.realGenDaughters (   gp,
  excludeRadiation = True 
) 
Get the daughters of a particle, going through radiative X -> X' + a
   decays, either including or excluding the radiation among the daughters
   e.g. for  
              X -> X' + a, X' -> b c 
       realGenDaughters(X, excludeRadiation=True)  = { b, c }
       realGenDaughters(X, excludeRadiation=False) = { a, b, c }

Definition at line 80 of file genutils.py.

Referenced by gen.GeneratorAnalyzer.GeneratorAnalyzer.makeMCInfo().

80 
81 def realGenDaughters(gp,excludeRadiation=True):
82  """Get the daughters of a particle, going through radiative X -> X' + a
83  decays, either including or excluding the radiation among the daughters
84  e.g. for
85  X -> X' + a, X' -> b c
86  realGenDaughters(X, excludeRadiation=True) = { b, c }
87  realGenDaughters(X, excludeRadiation=False) = { a, b, c }"""
88  ret = []
89  for i in xrange(gp.numberOfDaughters()):
90  dau = gp.daughter(i)
91  if dau.pdgId() == gp.pdgId():
92  if excludeRadiation:
93  return realGenDaughters(dau)
94  else:
95  ret += realGenDaughters(dau)
96  else:
97  ret.append(dau)
98  return ret
genutils.realGenDaughters
def realGenDaughters
Definition: genutils.py:80
def genutils.realGenMothers (   gp) 
Get the mothers of a particle X going through intermediate X -> X' chains.
   e.g. if Y -> X, X -> X' realGenMothers(X') = Y

Definition at line 99 of file genutils.py.

Referenced by gen.GeneratorAnalyzer.GeneratorAnalyzer.makeMCInfo().

99 
100 def realGenMothers(gp):
101  """Get the mothers of a particle X going through intermediate X -> X' chains.
102  e.g. if Y -> X, X -> X' realGenMothers(X') = Y"""
103  ret = []
104  for i in xrange(gp.numberOfMothers()):
105  mom = gp.mother(i)
106  if mom.pdgId() == gp.pdgId():
107  ret += realGenMothers(mom)
108  else:
109  ret.append(mom)
110  return ret
genutils.realGenMothers
def realGenMothers
Definition: genutils.py:99
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