SetMetaTimeModule Class Reference

Inheritance diagram for SetMetaTimeModule:

Public Member Functions
	initialize (self)
	calc_time (self, it)
	event (self)

Static Public Attributes
str	detectorlist = "SVD CDC ECL TOP"
	List of detector names to check in that order (for fallback)
	meta = None
	pointer to event meta data
list	raws = []
	array of pointers to the detector raw data arrays

Detailed Description

module which sets time in EventMetaData from detector raw data

Author: bjoern.spruck@belle2.org

Definition at line 16 of file SetMetaTimeModule.py.

Member Function Documentation

calc_time()

calc_time	(		self,
			it )

Calculate the time in ns since epoch from UnixTime and Accelerator Clock count

Definition at line 43 of file SetMetaTimeModule.py.

    def calc_time(self, it):
        """Calculate the time in ns since epoch from UnixTime and Accelerator Clock count"""
        # t = it.GetTTTimeNs(0)
        return it.GetTTUtime(0) * 1000000000 + int(round(it.GetTTCtime(0) / 0.127216))
 

event()

event

(

self

)

event

Definition at line 48 of file SetMetaTimeModule.py.

    def event(self):
        """event"""
        if not self.meta.isValid():
            B2FATAL("no valid EventMetaData object in this event")
            return
 
        t = self.meta.getTime()  # Check if it already set, t=0 means not set
        if t != 0:
            return  # No need to update
 
        for det in self.raws:
            if det:
                for it in det:
                    t = self.calc_time(it)
                    self.meta.setTime(t)
                    return
 
        B2DEBUG(1, "No time for EventMetaData extracted as no raw data entries were available from selected detectors")

initialize()

initialize

(

self

)

initialize

Definition at line 33 of file SetMetaTimeModule.py.

    def initialize(self):
        """initialize"""
        
        self.meta = Belle2.PyStoreObj('EventMetaData')
        if not self.meta:
            B2FATAL("no EventMetaData object")
            return
        
        self.raws = [Belle2.PyStoreArray(f"Raw{e}s") for e in self.detectorlist.split()]
 

Member Data Documentation

detectorlist

str detectorlist = "SVD CDC ECL TOP"

static

List of detector names to check in that order (for fallback)

Definition at line 25 of file SetMetaTimeModule.py.

meta

meta = None

static

pointer to event meta data

Definition at line 28 of file SetMetaTimeModule.py.

raws

list raws = []

static

array of pointers to the detector raw data arrays

list of raw dataobjects

Definition at line 31 of file SetMetaTimeModule.py.

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

• rawdata/modules/scripts/SetMetaTimeModule.py