SaveHisto Class Reference

Inheritance diagram for SaveHisto:

Collaboration diagram for SaveHisto:

Public Member Functions
def	initialize (self)

Detailed Description

 Saving histograms from the payload to a root file

Definition at line 34 of file checkDB-photonYields.py.

Member Function Documentation

initialize()

def initialize

(

self

)

 initialize: saving histograms implemented here 

Definition at line 37 of file checkDB-photonYields.py.

    def initialize(self):
        ''' initialize: saving histograms implemented here '''
 
        db = Belle2.PyDBObj("TOPCalPhotonYields")
        if not db:
            return
 
        fileName = "photonYields-" + time.strftime("%Y-%m-%d", time.localtime(db.getTimeStamp())) + ".root"
        f = TFile.Open(fileName, "recreate")
 
        print("- global tag:", globalTag)
        print("- time of measurement:",
              time.strftime("%d %b %Y %H:%M:%S", time.localtime(db.getTimeStamp())), "(mean), ",
              round(db.getTimeStampStd() / 3600 / 24, 2), "days (rms)")
        for slot in range(1, 17):
            h = db.getPhotonYields(slot)
            if h:
                h.Write()
            h = db.getBackgroundYields(slot)
            if h:
                h.Write()
            h = db.getAlphaRatio(slot)
            if h:
                h.Write()
            h = db.getActivePixels(slot)
            if h:
                h.Write()
            h = db.getPulseHeights(slot)
            if h:
                h.Write()
            h = db.getMuonZ(slot)
            if h:
                h.Write()
        f.Close()
        print("--> histograms saved to:", fileName)
 
 
b2.set_log_level(b2.LogLevel.ERROR)
 

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

• top/calibration/examples/checkDB-photonYields.py