Public Member Functions
def	__init__ (self, input_file='../VxdCdcValidationHarvested.root', output_file='VxdCdcMergerValidation.root')

def	collect_histograms (self)

def	plot (self)

Static Public Member Functions
def	histogram_plot (hist, title, x_variable, x_unit=None, description='', check='', contact='', meta_options='')

Public Attributes
	input_file
	cached name of the input file

	output_file
	cached name of the output file

	hist_merged_hits
	1D histogram of merged hits

	hist_good_over_pt
	Profile histogram of good merged hits by transverse momentum.

	hist_good_over_theta
	Profile histogram of good merged hits by polar angle.

Detailed Description

Create efficiency plots for the V0 validation

Definition at line 26 of file vxdCdcMergerValidationCreatePlots.py.

Constructor & Destructor Documentation

◆ init()

def __init__	(	self,
		input_file = `'../VxdCdcValidationHarvested.root'`,
		output_file = `'VxdCdcMergerValidation.root'`
	)

Constructor

Definition at line 29 of file vxdCdcMergerValidationCreatePlots.py.

    def __init__(self, input_file='../VxdCdcValidationHarvested.root', output_file='VxdCdcMergerValidation.root'):
        """Constructor"""
        
        self.input_file = input_file
        
        self.output_file = output_file
 
        self.hist_merged_hits = ROOT.TH1F("merged_hits", "Merged Hits", 70, 0, 140)
        
        self.hist_good_over_pt = ROOT.TProfile("good_over_pt", "Good Merge over Pt", 50, 0, 4)
        
        self.hist_good_over_theta = ROOT.TProfile("good_over_theta", "Good Merge over Theta", 50, 0, 4)

Member Function Documentation

◆ collect_histograms()

def collect_histograms ( self )

Fill the histograms in each event

Definition at line 43 of file vxdCdcMergerValidationCreatePlots.py.

    def collect_histograms(self):
        """Fill the histograms in each event"""
        input_root_file = ROOT.TFile.Open(self.input_file, "READ")
 
        for event in input_root_file.VxdCdcMergerHarvester_tree:
            self.hist_merged_hits.Fill(event.PR_NHITS)
            self.hist_good_over_pt.Fill(event.MC_PT, event.GOOD_MERGE)
            self.hist_good_over_theta.Fill(event.MC_THETA, event.GOOD_MERGE)
 
        input_root_file.Close()
        return self
 

◆ histogram_plot()

def histogram_plot	(	hist,
		title,
		x_variable,
		x_unit = `None`,
		description = `''`,
		check = `''`,
		contact = `''`,
		meta_options = `''`
	)

static

Label and annotate the histograms

Definition at line 56 of file vxdCdcMergerValidationCreatePlots.py.

    def histogram_plot(hist, title, x_variable, x_unit=None, description='', check='', contact='', meta_options=''):
        """Label and annotate the histograms"""
        hist.SetName("".join(title.split()))
        xlabel = f'{x_variable} / ({x_unit})' if x_unit is not None else f'{x_variable}'
        ylabel = f'Entries / ({(hist.GetXaxis().GetXmax() - hist.GetXaxis().GetXmin()) / hist.GetNbinsX()} {x_unit})' \
            if x_unit is not None \
            else f'Entries / ({(hist.GetXaxis().GetXmax() - hist.GetXaxis().GetXmin()) / hist.GetNbinsX()})'
        hist.SetTitle(f"{title};{xlabel};{ylabel}")
        hist.GetListOfFunctions().Add(ROOT.TNamed('Description', description))
        hist.GetListOfFunctions().Add(ROOT.TNamed('Check', check))
        hist.GetListOfFunctions().Add(ROOT.TNamed('Contact', contact))
        hist.GetListOfFunctions().Add(ROOT.TNamed('MetaOptions', meta_options))
        return hist
 

◆ plot()

def plot ( self )

Draw all of the histograms to the output ROOT file

Definition at line 70 of file vxdCdcMergerValidationCreatePlots.py.

    def plot(self):
        """Draw all of the histograms to the output ROOT file"""
        output_root_file = ROOT.TFile.Open(self.output_file, "RECREATE")
 
        VxdCdcMergerValidationPlots.histogram_plot(self.hist_merged_hits, "Number of hits of merged tracks", "Number of Hits", None,
                                                   description='Number of hits of merged tracks',
                                                   check='',
                                                   contact='software-tracking@belle2.org',
                                                   meta_options='').Write()
 
        VxdCdcMergerValidationPlots.histogram_plot(self.hist_good_over_pt, "Good Merge over Pt", "MC Track Pt (GeV)", None,
                                                   description='Good Merge over Pt',
                                                   check='',
                                                   contact='software-tracking@belle2.org',
                                                   meta_options='').Write()
 
        VxdCdcMergerValidationPlots.histogram_plot(self.hist_good_over_theta, "Good Merge over Theta", "MC Track Theta (1)", None,
                                                   description='Good Merge over Theta',
                                                   check='',
                                                   contact='software-tracking@belle2.org',
                                                   meta_options='').Write()
 
        output_root_file.Write()
        output_root_file.Close()
        return self
 
 