ModuleT0cal Class Reference

Inheritance diagram for ModuleT0cal:

Collaboration diagram for ModuleT0cal:

Public Member Functions
def	initialize (self)
def	sortedTimeZeros (self, unsortedPyStoreArray)
def	event (self)
def	singleFit (self, h)
def	fitHistograms (self, minEntries)
def	minimize (self)
def	terminate (self)

Public Attributes
	db_moduleT0
	module T0 from database
	h_deltaT0
	histograms of time difference between two slots
	h_slotPairs
	histogram of number of entries per slot pairs
	h_slotPairs_acc
	histogram to store Chi2/ndf of successfully fitted time differences
	h_relModuleT0
	histogram to store minimization results (relative module T0)
	h_moduleT0
	histogram to store final results (module T0)
	delT0
	fitted time differences
	sigma
	uncertainties of fitted time differences
	A
	matrix denoting which slot pair was involved
	h_out
	list of histograms selected for output

Detailed Description

 module T0 calibrator using chi2 minimization of time differences between slots 

Definition at line 91 of file cdst_chi2ModuleT0calibration.py.

Member Function Documentation

event()

def event

(

self

)

 event processor: fill histograms for events with two entries in timeZeros 

Definition at line 143 of file cdst_chi2ModuleT0calibration.py.

fitHistograms()

def fitHistograms	(		self,
			minEntries
	)

 fit all histograms and store the results into lists 

Definition at line 177 of file cdst_chi2ModuleT0calibration.py.

initialize()

def initialize

(

self

)

 initialize and book histograms 

Definition at line 94 of file cdst_chi2ModuleT0calibration.py.

minimize()

def minimize

(

self

)

Minimization procedure. For the method see NIM A 586 (2008) 174-179, sect. 2.2.

Definition at line 209 of file cdst_chi2ModuleT0calibration.py.

singleFit()

def singleFit	(		self,
			h
	)

 perform a fit of time difference distribution 

Definition at line 165 of file cdst_chi2ModuleT0calibration.py.

sortedTimeZeros()

def sortedTimeZeros	(		self,
			unsortedPyStoreArray
	)

 sorting timeZeros according to slot number 

Definition at line 130 of file cdst_chi2ModuleT0calibration.py.

terminate()

def terminate

(

self

)

 fit histograms, minimize and write results to file 

Definition at line 288 of file cdst_chi2ModuleT0calibration.py.

---

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

• top/calibration/examples/cdst_chi2ModuleT0calibration.py