TOPDisplay Class Reference

Inheritance diagram for TOPDisplay:

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

Static Public Attributes
list	hist
	1D histograms
TCanvas	c1 = TCanvas('c1', 'TOP event display', 1000, 800)
	canvas

Detailed Description

Simple event display for TOP.
It displays single event timing distributions of modules using TOPDigits.
Distributions of modules with the track impact are shown in red color.

Definition at line 32 of file simpleEventDisplay.py.

Member Function Documentation

event()

def event

(

self

)

Event processor: reset and fill the histograms, display them,
wait for user respond.

Definition at line 52 of file simpleEventDisplay.py.

    def event(self):
        '''
        Event processor: reset and fill the histograms, display them,
        wait for user respond.
        '''
 
        for i in range(16):
            self.hist[i].Reset()
            self.hist[i].SetFillColor(0)
            self.hist[i].SetLineColor(1)
 
        likelihoods = Belle2.PyStoreArray('TOPLikelihoods')
        for likelihood in likelihoods:
            if likelihood.getFlag() == 1:
                exthit = likelihood.getRelated('ExtHits')
                try:
                    moduleID = exthit.getCopyID()
                    self.hist[moduleID - 1].SetFillColor(2)
                    self.hist[moduleID - 1].SetLineColor(2)
                except BaseException:
                    b2.B2ERROR('No relation to ExtHit')
 
        digits = Belle2.PyStoreArray('TOPDigits')
        for digit in digits:
            moduleID = digit.getModuleID()
            tdc = digit.getRawTime()
            self.hist[moduleID - 1].Fill(tdc)
 
        for i in range(16):
            self.c1.cd(i + 1)
            self.hist[i].Draw()
 
        self.c1.Update()
 
        # wait for user respond
        user_input = input("Press Enter to continue or Q to quit ").lower().strip()
        if user_input == "q":
            evtMetaData = Belle2.PyStoreObj('EventMetaData')
            evtMetaData.obj().setEndOfData()
 
 
# Check if the display is set (needed for canvas)

initialize()

def initialize

(

self

)

 Initialize the Module: open the canvas. 

Definition at line 46 of file simpleEventDisplay.py.

    def initialize(self):
        ''' Initialize the Module: open the canvas. '''
 
        self.c1.Divide(4, 4)
        self.c1.Show()
 

Member Data Documentation

c1

TCanvas c1 = TCanvas('c1', 'TOP event display', 1000, 800)

static

canvas

Definition at line 44 of file simpleEventDisplay.py.

hist

list hist

static

Initial value:

=  [TH1F('h' + str(i), 'module#' + str(i), 128, 0.0, 256.0) for i in
            range(16)]

1D histograms

Definition at line 41 of file simpleEventDisplay.py.

---

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

• top/examples/simpleEventDisplay.py