Histogrammer Class Reference

Inheritance diagram for Histogrammer:

Public Member Functions
	initialize (self)
	event (self)
	terminate (self)

Public Attributes
	tfile = TFile.Open('hitHeightAndWidth.root', 'recreate')
	output file
list	hist = []
	Width VS amplitude plot in each slot.
list	histSampling = []
	Width as function of the sample number in each channel.

Detailed Description

 A module to histogram width and amplitude of TOPDigits 

Definition at line 23 of file checkHitHeightAndWidth.py.

Member Function Documentation

event()

event

(

self

)

 Event processor: fill histograms 

Definition at line 48 of file checkHitHeightAndWidth.py.

    def event(self):
        ''' Event processor: fill histograms '''
 
        digits = Belle2.PyStoreArray('TOPDigits')
        for digit in digits:
            if digit.getHitQuality() == 0:
                continue
            slotID = digit.getModuleID()
            hwchan = digit.getChannel()
            self.hist[slotID - 1].Fill(digit.getPulseHeight(), digit.getPulseWidth())
            self.histSampling[slotID - 1][hwchan].Fill(digit.getModulo256Sample(), digit.getPulseWidth())
 

initialize()

initialize

(

self

)

 Open output file and book histograms 

Definition at line 27 of file checkHitHeightAndWidth.py.

    def initialize(self):
        ''' Open output file and book histograms '''
 
        
        self.tfile = TFile.Open('hitHeightAndWidth.root', 'recreate')
        dirs = [gDirectory.mkdir('slot_' + f'{slot:02d}') for slot in range(1, 17)]
 
        
        self.hist = []
        
        self.histSampling = []
 
        for slot in range(1, 17):
            dirs[slot - 1].cd()
            h = TH2F('WidthVSAmplitude', 'Slot ' + str(slot) +
                     ';amplitude [ADC counts]; width [ns]', 2000, 0, 2000, 200, 0, 10)
            self.hist.append(h)
            hh = [TH2F('WidthVSample_ch' + f'{ch:03d}', 'Slot ' + str(slot) + ', channel ' + str(ch) +
                       ';sample; width [ns]', 256, 0, 256, 200, 0, 10) for ch in range(512)]
            self.histSampling.append(hh)
 

terminate()

terminate

(

self

)

 Write histograms to file 

Definition at line 60 of file checkHitHeightAndWidth.py.

    def terminate(self):
        ''' Write histograms to file '''
 
        self.tfile.Write()
        self.tfile.Close()
 
 
# Suppress messages and warnings during processing

Member Data Documentation

hist

list hist = []

Width VS amplitude plot in each slot.

Definition at line 35 of file checkHitHeightAndWidth.py.

histSampling

list histSampling = []

Width as function of the sample number in each channel.

Definition at line 37 of file checkHitHeightAndWidth.py.

tfile

tfile = TFile.Open('hitHeightAndWidth.root', 'recreate')

output file

Definition at line 31 of file checkHitHeightAndWidth.py.

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

• top/analysis/checkHitHeightAndWidth.py