python.physvalPostProcessingTools.EfficiencyComputation Class Reference

Collaboration diagram for python.physvalPostProcessingTools.EfficiencyComputation:

Public Member Functions
	__init__ (self, numerator, denominator, output)
	__call__ (self, root_file)

Static Public Member Functions
	from_yaml (fragment)

Public Attributes
	numerator = numerator
	denominator = denominator
	output = output

Detailed Description

Definition at line 109 of file physvalPostProcessingTools.py.

Constructor & Destructor Documentation

__init__()

python.physvalPostProcessingTools.EfficiencyComputation.__init__	(		self,
			numerator,
			denominator,
			output )

Definition at line 110 of file physvalPostProcessingTools.py.

    def __init__(self, numerator, denominator, output):
        self.numerator = numerator
        self.denominator = denominator
        self.output = output
 

Member Function Documentation

__call__()

python.physvalPostProcessingTools.EfficiencyComputation.__call__	(		self,
			root_file )

Definition at line 115 of file physvalPostProcessingTools.py.

    def __call__(self, root_file):
        num = find_histo(root_file, self.numerator)
        den = find_histo(root_file, self.denominator)
        if not num or not den:
            if crash_on_error:
                raise RuntimeError(f"Missing histogram: {self.numerator} or {self.denominator}")
            else:
                logging.error(f"Missing histogram: {self.numerator} or {self.denominator}")
                return
 
        if not ROOT.TEfficiency.CheckConsistency(num, den):
            logging.warning("Inconsistency detected between numerator and denominator histograms.")
            logging.info("Attempting to fix...")
            for i in range(1, num.GetNbinsX() + 1):
                num_val = num.GetBinContent(i)
                den_val = den.GetBinContent(i)
                if den_val == 0:
                    den.SetBinContent(i, 1e-6)
                    den_val = 1e-6  # avoid zero denominator by assigning a tiny epsilon
                    logging.info(f"Setting denominator to a smaller value for bin {i} as it is zero. Any other options?")
                if num_val > den_val:
                    logging.info(f"For Bin {i}: Num ({num_val}) > Den ({den_val})! Adjusting by setting Den to Num. Any other options?")
                    den.SetBinContent(i, num_val)
            if not ROOT.TEfficiency.CheckConsistency(num, den):
                logging.error("Unable to fix histogram inconsistencies. Aborting efficiency calculation.")
                return
 
        eff = ROOT.TEfficiency(num, den)
        path_parts = self.output.strip("/").split("/")
        *dir_path, obj_name = path_parts
        directory_path = "/".join(dir_path)
        eff.SetName(obj_name)
        eff.SetTitle(f"{self.numerator}/{self.denominator};{num.GetXaxis().GetTitle()};Efficiency")
        ensure_directory_exists(root_file, directory_path)
        root_file.cd(directory_path)
        eff.Write()
        logging.info(f"Saved efficiency '{obj_name}' in '{directory_path}'.")
 

from_yaml()

python.physvalPostProcessingTools.EfficiencyComputation.from_yaml ( fragment )

static

Definition at line 154 of file physvalPostProcessingTools.py.

    def from_yaml(fragment):
        return EfficiencyComputation(
            numerator=fragment["numerator"],
            denominator=fragment["denominator"],
            output=fragment["output"]
        )
 

Member Data Documentation

denominator

python.physvalPostProcessingTools.EfficiencyComputation.denominator = denominator

Definition at line 112 of file physvalPostProcessingTools.py.

numerator

python.physvalPostProcessingTools.EfficiencyComputation.numerator = numerator

Definition at line 111 of file physvalPostProcessingTools.py.

output

python.physvalPostProcessingTools.EfficiencyComputation.output = output

Definition at line 113 of file physvalPostProcessingTools.py.

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

• physvalPostProcessingTools.py