MakePlots Class Reference

Inheritance diagram for MakePlots:

Public Member Functions
def	set_descr (self, h, D)
def	initialize (self)
def	event (self)
def	terminate (self)

Public Attributes
	tfile
	root file pointer
	recBunchNo
	validation histogram
	offset
	validation histogram
	numTracks
	validation histogram
	usedTracks
	validation histogram
	effi_numTracks
	validation histogram
	effi_usedTracks
	validation histogram
	effi
	validation histogram
	nev
	number of events with valid TOPRecBunch object pointer

Detailed Description

Makes validation histograms for bunch finder

Definition at line 26 of file 3_bunchFinderPlots.py.

Member Function Documentation

event()

def event

(

self

)

 Event processor: fill histograms 

Definition at line 100 of file 3_bunchFinderPlots.py.

    def event(self):
 
        ''' Event processor: fill histograms '''
 
        recBunch = Belle2.PyStoreObj('TOPRecBunch')
        if not recBunch.isValid():
            return
        self.nev += 1
        if recBunch.isReconstructed():
            self.recBunchNo.Fill(recBunch.getBunchNo())
            self.offset.Fill(recBunch.getCurrentOffset())
            self.numTracks.Fill(recBunch.getNumTracks())
            self.usedTracks.Fill(recBunch.getUsedTracks())
            if recBunch.getBunchNo() == recBunch.getMCBunchNo():
                self.effi_numTracks.Fill(recBunch.getNumTracks())
                self.effi_usedTracks.Fill(recBunch.getUsedTracks())
 

initialize()

def initialize

(

self

)

 Initializes the Module: book histograms and set descriptions and checks

Definition at line 44 of file 3_bunchFinderPlots.py.

    def initialize(self):
        ''' Initializes the Module: book histograms and set descriptions and checks'''
 
        
        self.tfile = TFile.Open("bunchFinder.root", "recreate")
 
        
        self.recBunchNo = TH1F("recBunchNo",
                               "Reconstructed relative bunch number; relative bunch number; events per bunch",
                               100, -50.0 - 0.5, 50.0 - 0.5)
        self.set_descr(self.recBunchNo, 'Reconstructed bunch number relative to L1 trigger.')
 
        
        self.offset = TH1F("offset",
                           "Offset to reconstructed bunch; offset [ns]; events per bin",
                           100, -1.0, 1.0)
        self.set_descr(self.offset, 'Offset to reconstructed bunch.')
 
        
        self.numTracks = TH1F("numTracks",
                              "Number of tracks in TOP acceptance; number of tracks; entries per bin",
                              10, 0.5, 10.5)
        self.set_descr(self.numTracks, 'Number of tracks per event in the acceptance of TOP.')
 
        
        self.usedTracks = TH1F("usedTracks",
                               "Number of tracks used for bunch finding; number of used track; entries per bins",
                               10, 0.5, 10.5)
        self.set_descr(self.usedTracks, 'Number of tracks in the event actually used for finding the bunch crossing.')
 
        
        self.effi_numTracks = TH1F("effi_numTracks",
                                   "Efficiency vs. number of tracks; number of tracks; efficiency",
                                   10, 0.5, 10.5)
        self.set_descr(self.effi_numTracks, 'Efficieny of finding the correct bunch crossing versus '
                       'the number of tracks per event in the acceptance of TOP.')
 
        
        self.effi_usedTracks = TH1F("effi_usedTracks",
                                    "Efficiency vs. number of used tracks; number of used tracks; efficiency",
                                    10, 0.5, 10.5)
        self.set_descr(self.effi_usedTracks, 'Efficieny of finding the correct bunch crossing versus '
                       'the number of tracks per event actually used.')
 
        
        self.effi = TH1F("effi", "Acceptance and efficiency", 2, 0.5, 2.5)
        self.effi.GetXaxis().SetBinLabel(1, "acceptance")
        self.effi.GetXaxis().SetBinLabel(2, "efficiency")
        self.effi.GetXaxis().SetLabelSize(0.08)
        self.effi.GetXaxis().SetAlphanumeric()
        self.set_descr(self.effi, 'Acceptance is defined as fraction of events with at least one track crossing TOP. '
                       'Efficiency is defined as fraction of correctly reconstructed bunch crossings in accepted events.')
 
        
        self.nev = 0
 

set_descr()

def set_descr	(		self,
			h,
			D
	)

Sets description, check and contact to validation histogram.
:param h validation histogram
:param D description text

Definition at line 31 of file 3_bunchFinderPlots.py.

    def set_descr(self, h, D):
        '''
        Sets description, check and contact to validation histogram.
        :param h validation histogram
        :param D description text
        '''
        descr = TNamed('Description', D)
        h.GetListOfFunctions().Add(descr)
        check = TNamed('Check', 'Must agree with reference')
        h.GetListOfFunctions().Add(check)
        contact = TNamed('Contact', 'marko.staric@ijs.si')
        h.GetListOfFunctions().Add(contact)
 

terminate()

def terminate

(

self

)

 Processes and writes histograms to file

Definition at line 117 of file 3_bunchFinderPlots.py.

    def terminate(self):
        ''' Processes and writes histograms to file'''
 
        eff = self.numTracks.GetEntries() / self.nev
        err = math.sqrt(eff * (1 - eff) / self.nev)
        self.effi.SetBinContent(1, eff)
        self.effi.SetBinError(1, err)
 
        eff = self.effi_numTracks.GetEntries() / self.numTracks.GetEntries()
        err = math.sqrt(eff * (1 - eff) / self.numTracks.GetEntries())
        self.effi.SetBinContent(2, eff)
        self.effi.SetBinError(2, err)
 
        self.numTracks.Sumw2()
        self.effi_numTracks.Sumw2()
        self.effi_numTracks.Divide(self.effi_numTracks, self.numTracks, 1, 1, "B")
 
        self.usedTracks.Sumw2()
        self.effi_usedTracks.Sumw2()
        self.effi_usedTracks.Divide(self.effi_usedTracks, self.usedTracks, 1, 1, "B")
 
        self.tfile.Write()
        self.tfile.Close()
 
 
# Create path

Member Data Documentation

effi

effi

validation histogram

Definition at line 89 of file 3_bunchFinderPlots.py.

effi_numTracks

effi_numTracks

validation histogram

Definition at line 75 of file 3_bunchFinderPlots.py.

effi_usedTracks

effi_usedTracks

validation histogram

Definition at line 82 of file 3_bunchFinderPlots.py.

nev

nev

number of events with valid TOPRecBunch object pointer

Definition at line 98 of file 3_bunchFinderPlots.py.

numTracks

numTracks

validation histogram

Definition at line 63 of file 3_bunchFinderPlots.py.

offset

offset

validation histogram

Definition at line 57 of file 3_bunchFinderPlots.py.

recBunchNo

recBunchNo

validation histogram

Definition at line 51 of file 3_bunchFinderPlots.py.

tfile

tfile

root file pointer

Definition at line 48 of file 3_bunchFinderPlots.py.

usedTracks

usedTracks

validation histogram

Definition at line 69 of file 3_bunchFinderPlots.py.

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The documentation for this class was generated from the following file:

• top/validation/3_bunchFinderPlots.py