validateOverlay.py

#!/usr/bin/env python3
 
 
 
"""
<header>
  <output>overlayPlots.root</output>
  <contact>marko.staric@ijs.si</contact>
  <description>Runs BG overlay and makes validation histograms</description>
</header>
"""
 
import basf2 as b2
from simulation import add_simulation
import os
import glob
from ROOT import Belle2
from ROOT import TH1F, TFile, TNamed, TNtuple
import sys
import array
 
b2.set_random_seed(123452)
 
 
class Histogrammer(b2.Module):
 
    '''
    Make validation histograms for BG overlay.
    This validation assumes that all channels are active
    (no masked strip, dead pixels, ...)
    '''
 
    def initialize(self):
        ''' Initialize the Module: book histograms and set descriptions and checks'''
 
        
        self.histhist = []
        self.histhist.append(TH1F('PXDDigits', 'PXDDigits (no data reduction)',
                              200, 0, 100000))
        self.histhist.append(TH1F('SVDShaperDigits', 'SVDShaperDigits', 100, 0, 10000))
        self.histhist.append(TH1F('SVDShaperDigitsZS5', 'ZS5 SVDShaperDigits', 100, 0, 8000))
        self.histhist.append(TH1F('CDCHits', 'CDCHits', 100, 0, 6000))
        self.histhist.append(TH1F('TOPDigits', 'TOPDigits', 100, 0, 2000))
        self.histhist.append(TH1F('ARICHDigits', 'ARICHDigits', 100, 0, 300))
        self.histhist.append(TH1F('ECLDigits', 'ECLDigits, m_Amp > 500 (roughly 25 MeV)',
                              100, 0, 400))
        self.histhist.append(TH1F('KLMDigits', 'KLMDigits', 150, 0, 150))
 
        
        self.hist2hist2 = []
        self.hist2hist2.append(TH1F('PXDL1Occupancy', 'PXD L1 Occupancy', 100, 0, 4))
        self.hist2hist2.append(TH1F('PXDL2Occupancy', 'PXD L2 Occupancy', 100, 0, 4))
        self.hist2hist2.append(TH1F('PXDOccupancy', 'PXD Occupancy', 100, 0, 4))
        self.hist2hist2.append(TH1F('SVDOccupancy', 'SVD L3 Occupancy', 100, 0, 15))
        self.hist2hist2.append(TH1F('CDCInnerHitRate', 'CDC Hit Rate per wire for the Inner layers', 100, 0, 1000))
        self.hist2hist2.append(TH1F('CDCOuterHitRate', 'CDC Hit Rate per wire for the Outer layers', 100, 0, 1000))
        self.hist2hist2.append(TH1F('CDCHitRate', 'CDC Hit Rate per wire', 100, 0, 1000))
 
        
        self.nPXDL1nPXDL1 = 250*768*2 * 8
        
        self.nPXDL2nPXDL2 = 250*768*2 * 12
        
        self.nPXDnPXD = self.nPXDL1nPXDL1 + self.nPXDL2nPXDL2
 
        
        self.nSVDL3nSVDL3 = 768 * 7 * 2 * 2
 
        
        self.nCDCinnCDCin = 160 * 8
        
        self.CDCITInCDCITIn = 408.7 * 1e-6
        
        self.nCDCoutnCDCout = 160*6 + 192*6 + 224*6 + 256*6 + 288*6 + 320*6 + 352*6 + 384 * 6
        
        self.CDCIToutCDCITout = 754.6 * 1e-6
 
        
        self.allhallh = self.histhist+self.hist2hist2
 
        for h in self.allhallh:
            if h.GetName() == 'PXDOccupancy':
                h.SetXTitle('PXD occupancy [%]')
                descr = TNamed(
                    'Description',
                    'PXD L1+L2 Occupancy per event - no data reduction (with BG overlay only and no event generator)')
            elif h.GetName() == 'PXDL1Occupancy':
                h.SetXTitle('PXD L1 occupancy [%]')
                descr = TNamed(
                    'Description',
                    'PXD L1 Occupancy per event - no data reduction (with BG overlay only and no event generator)')
            elif h.GetName() == 'PXDL2Occupancy':
                h.SetXTitle('PXD L2 occupancy [%]')
                descr = TNamed(
                    'Description',
                    'PXD L2 Occupancy per event - no data reduction (with BG overlay only and no event generator)')
            elif h.GetName() == 'SVDOccupancy':
                h.SetXTitle('SVD L3 ZS5 occupancy - average u,v [%]')
                descr = TNamed(
                    'Description',
                    'SVD ZS5 L3 Occupancy per event average u,v (with BG overlay only and no event generator)')
            elif h.GetName() == 'CDCHitRate':
                h.SetXTitle('CDC Hit Rate [kHz/wire]')
                descr = TNamed(
                    'Description',
                    'CDC Hit Rate, averaged inner/outer wires (with BG overlay only and no event generator)')
            elif h.GetName() == 'CDCInnerHitRate':
                h.SetXTitle('CDC Hit Rate for Inner Layers [kHz/wire]')
                descr = TNamed(
                    'Description',
                    'CDC Hit Rate per wire, for the Inner layers (with BG overlay only and no event generator)')
            elif h.GetName() == 'CDCOuterHitRate':
                h.SetXTitle('CDC Hit Rate for Outer Layers [kHz/wire]')
                descr = TNamed(
                    'Description',
                    'CDC Hit Rate per wire, for the Outer layers (with BG overlay only and no event generator)')
            else:
                h.SetXTitle('number of digits in event')
                descr = TNamed('Description', 'Number of background ' + h.GetName() +
                               ' per event (with BG overlay only and no event generator)')
 
            h.SetYTitle('entries per bin')
            h.GetListOfFunctions().Add(descr)
            check = TNamed('Check', 'Distribution must agree with its reference')
            h.GetListOfFunctions().Add(check)
            contact = TNamed('Contact', 'marko.staric@ijs.si')
            h.GetListOfFunctions().Add(contact)
            options = TNamed('MetaOptions', 'shifter')
            h.GetListOfFunctions().Add(options)
 
            ntplvar = "PXDL1_occupancy:PXDL2_occupancy:PXD_occupancy:SVDL3ZS5_occupancy"
            ntplvar += ":CDCInner_hitRate:CDCOuter_hitRate:CDC_hitRate"
 
            
            self.ntplntpl = TNtuple("ntpl", "Average Background Levels", (ntplvar))
 
    def event(self):
        ''' Event processor: fill histograms '''
 
        for h in self.histhist:
            digits = Belle2.PyStoreArray(h.GetName())
            if h.GetName() == 'ECLDigits':
                n = 0
                for digit in digits:
                    if digit.getAmp() > 500:  # roughly 25 MeV
                        n += 1
                h.Fill(n)
            else:
                h.Fill(digits.getEntries())
 
        # PXD
        pxdDigits = Belle2.PyStoreArray('PXDDigits')
        self.hist2hist2[2].Fill(pxdDigits.getEntries()/self.nPXDnPXD * 100)
        nL1 = 0
        nL2 = 0
        for pxdDigit in pxdDigits:
            if pxdDigit.getSensorID().getLayerNumber() == 1:  # check L1/L2
                nL1 += 1
            else:
                nL2 += 1
        self.hist2hist2[0].Fill(nL1/self.nPXDL1nPXDL1 * 100)
        self.hist2hist2[1].Fill(nL2/self.nPXDL2nPXDL2 * 100)
 
        # SVD
        svdDigits = Belle2.PyStoreArray('SVDShaperDigitsZS5')
        nL3 = 0
        for svdDigit in svdDigits:
            if svdDigit.getSensorID().getLayerNumber() == 3:  # only check SVD L3
                nL3 += 1
        self.hist2hist2[3].Fill(nL3/self.nSVDL3nSVDL3 * 100)
 
        # CDC
        cdcHits = Belle2.PyStoreArray('CDCHits')
        self.hist2hist2[6].Fill(cdcHits.getEntries() / (self.nCDCinnCDCin * self.CDCITInCDCITIn + self.nCDCoutnCDCout * self.CDCIToutCDCITout))
        nCDC_in = 0
        nCDC_out = 0
        for cdcHit in cdcHits:
            if cdcHit.getICLayer() < 8:  # count wires of inner/outer layers
                nCDC_in += 1
            else:
                nCDC_out += 1
        self.hist2hist2[4].Fill(nCDC_in/self.nCDCinnCDCin / self.CDCITInCDCITIn)
        self.hist2hist2[5].Fill(nCDC_out/self.nCDCoutnCDCout / self.CDCIToutCDCITout)
 
    def terminate(self):
        """ Write histograms to file."""
 
        # ntpl content "PXDL1:PXDL2:PXD:SVDL3ZS5:CDCInner:CDCOuter:CDC");
        values = [self.hist2hist2[0].GetMean(), self.hist2hist2[1].GetMean(), self.hist2hist2[2].GetMean(),
                  self.hist2hist2[3].GetMean(), self.hist2hist2[4].GetMean(), self.hist2hist2[5].GetMean(),
                  self.hist2hist2[6].GetMean()]
 
        self.ntplntpl.Fill(array.array("f", values),)
        tfile = TFile('overlayPlots.root', 'recreate')
        self.ntplntpl.Write()
        for h in self.allhallh:
            h.Write()
        tfile.Close()
 
 
bg = None
if len(sys.argv) == 2:
    bg = glob.glob(str(sys.argv[1]) + '/*.root')
elif 'BELLE2_BACKGROUND_DIR' in os.environ:
    bg = glob.glob(os.environ['BELLE2_BACKGROUND_DIR'] + '/*.root')
    if bg is None:
        b2.B2FATAL('No beam background samples found in folder ' +
                   os.environ['BELLE2_BACKGROUND_DIR'])
    b2.B2INFO('Using background samples from ' + os.environ['BELLE2_BACKGROUND_DIR'])
else:
    b2.B2FATAL('variable BELLE2_BACKGROUND_DIR is not set')
 
# Create path
main = b2.create_path()
 
# Set number of events to generate
eventinfosetter = b2.register_module('EventInfoSetter')
eventinfosetter.param({'evtNumList': [1000], 'runList': [1]})
main.add_module(eventinfosetter)
 
# Simulation
add_simulation(main, bkgfiles=bg, bkgOverlay=True, usePXDDataReduction=False, forceSetPXDDataReduction=True,
               simulateT0jitter=False)
 
# Add SVD offline zero-suppression (ZS5)
main.add_module(
    'SVDZeroSuppressionEmulator',
    SNthreshold=5,
    ShaperDigits='SVDShaperDigits',
    ShaperDigitsIN='SVDShaperDigitsZS5',
    FADCmode=True)
 
# Make histograms
main.add_module(Histogrammer())
 
# Show progress of processing
main.add_module('Progress')
 
# Process events
b2.process(main)
 
# Print call statistics
print(b2.statistics)