Public Member Functions
def	__init__ (self, name, histo, title="")

def	__str__ (self)

def	create (self, tdirectory)

Private Attributes
	_histo

	_name

	_title

Detailed Description

Class for making a cut efficiency histograms.

      N after cut
eff = -----------
        N total

Definition at line 894 of file plotting.py.

Constructor & Destructor Documentation

def plotting.CutEfficiency.__init__	(	self,
		name,
		histo,
		title = `""`
	)

Constructor

Arguments:
name  -- String for name of the resulting histogram
histo -- String for a source histogram (needs to be cumulative)

Definition at line 901 of file plotting.py.

     def __init__(self, name, histo, title=""):
         """Constructor
 
         Arguments:
         name  -- String for name of the resulting histogram
         histo -- String for a source histogram (needs to be cumulative)
         """
         self._name = name
         self._histo = histo
         self._title = title
 

Member Function Documentation

def plotting.CutEfficiency.__str__ ( self )

String representation, returns the name

Definition at line 912 of file plotting.py.

References FP420HitsObject._name, TrackerHitsObject._name, PGeometricDet::Item._name, TrackingRecHitAlgorithm._name, LikelihoodSpecies._name, LikelihoodPdfProduct._name, LikelihoodPdf._name, citk::IsolationConeDefinitionBase._name, Logger._name, hcaldqm::DQModule._name, DrellYanValidation._name, WValidation._name, HistoParams< T >._name, hcaldqm::flag::Flag._name, hcaldqm::quantity::Quantity._name, ElectronMVAEstimatorRun2Phys14NonTrig._name, CutApplicatorBase._name, PhotonMVAEstimatorRun2Spring15NonTrig._name, PhotonMVAEstimatorRun2Phys14NonTrig._name, ElectronMVAEstimatorRun2Spring15Trig._name, ElectronMVAEstimatorRun2Spring15NonTrig._name, GeometricDetExtra._name, HistoParams< TH2F >._name, HistoParams< TProfile2D >._name, Vispa.Views.PropertyView.Property._name, SequenceTypes.SequencePlaceholder._name, plotting.Subtract._name, plotting.Transform._name, plotting.FakeDuplicate._name, plotting.CutEfficiency._name, and SequenceTypes.TaskPlaceholder._name.

     def __str__(self):
         """String representation, returns the name"""
         return self._name
 

def plotting.CutEfficiency.create	(	self,
		tdirectory
	)

Create and return the cut efficiency histogram from a TDirectory

Definition at line 916 of file plotting.py.

References plotting._getOrCreateObject(), plotting.Transform._histo, plotting.CutEfficiency._histo, FP420HitsObject._name, TrackerHitsObject._name, PGeometricDet::Item._name, TrackingRecHitAlgorithm._name, LikelihoodSpecies._name, LikelihoodPdfProduct._name, LikelihoodPdf._name, citk::IsolationConeDefinitionBase._name, Logger._name, hcaldqm::DQModule._name, DrellYanValidation._name, WValidation._name, HistoParams< T >._name, hcaldqm::flag::Flag._name, hcaldqm::quantity::Quantity._name, ElectronMVAEstimatorRun2Phys14NonTrig._name, CutApplicatorBase._name, PhotonMVAEstimatorRun2Spring15NonTrig._name, PhotonMVAEstimatorRun2Phys14NonTrig._name, ElectronMVAEstimatorRun2Spring15Trig._name, ElectronMVAEstimatorRun2Spring15NonTrig._name, GeometricDetExtra._name, HistoParams< TH2F >._name, HistoParams< TProfile2D >._name, Vispa.Views.PropertyView.Property._name, SequenceTypes.SequencePlaceholder._name, plotting.Subtract._name, plotting.Transform._name, plotting.FakeDuplicate._name, plotting.CutEfficiency._name, SequenceTypes.TaskPlaceholder._name, HistoParams< T >._title, SiStripHitEffFromCalibTree._title, HistoParams< TH2F >._title, HistoParams< TProfile2D >._title, html.PageSet._title, html.HtmlReport._title, plotting.Subtract._title, plotting.Transform._title, plotting.FakeDuplicate._title, and plotting.CutEfficiency._title.

     def create(self, tdirectory):
         """Create and return the cut efficiency histogram from a TDirectory"""
         histo = _getOrCreateObject(tdirectory, self._histo)
         if not histo:
             return None
 
         # infer cumulative direction from the under/overflow bins
         ascending = histo.GetBinContent(0) < histo.GetBinContent(histo.GetNbinsX())
         if ascending:
             n_tot = histo.GetBinContent(histo.GetNbinsX())
         else:
             n_tot = histo.GetBinContent(0)
 
         if n_tot == 0:
             return histo
 
         ret = histo.Clone(self._name)
         ret.SetTitle(self._title)
 
         # calculate efficiency
         for i in xrange(1, histo.GetNbinsX()+1):
             n = histo.GetBinContent(i)
             val = n/n_tot
             errVal = math.sqrt(val*(1-val)/n_tot)
             ret.SetBinContent(i, val)
             ret.SetBinError(i, errVal)
         return ret
 