BKLMMuonPlot.py

#!/usr/bin/env python3
 
 
 
 
 
"""
<header>
    <input>muon-KLMValidation.root</input>
    <contact>Laura.Salutari@uniroma3.it</contact>
    <description>Create validation plots for BKLM</description>
</header>
"""
 
import sys
import argparse
 
import ROOT
ROOT.gROOT.SetBatch(ROOT.kTRUE)  # noqa
 
from ROOT import TFile, TChain, TH1F, TNamed, gStyle, PyConfig  # noqa
PyConfig.IgnoreCommandLineOptions = True  # noqa
 
# contact person information
# is added to the plot descriptions
CONTACT_PERSON = {'Name': 'Laura Salutari',
                  'Email': 'Laura.Salutari@uniroma3.it'}
 
 
def main():
    """
    Create validation plots for BKLM.
    """
    print('Creating the BKLM validation plots...')
 
    parser = argparse.ArgumentParser()
 
    parser.add_argument('-i', '--input-file', dest='input_file',
                        default='../muon-KLMValidation.root',
                        help='Root file with Ext/Muid/BKLM/EKLM validation data.'
                        )
    parser.add_argument('-o', '--output-file', dest='output_file',
                        default='BKLMMuon.root',
                        help='Root file with BKLM validation histograms.')
 
    args = parser.parse_args()
 
    # load chain of input files
    file_chain = TChain('tree')
    file_chain.Add(args.input_file)
 
    number_entries = 0
    try:
        number_entries = file_chain.GetEntries()
    except AttributeError:
        print(f'Could not load input file(s) {args.input_file}.')
 
    if number_entries == 0:
        print(f'Data tree is empty or does not exist in file(s) {args.input_file}. Exit.')
        sys.exit(0)
 
    # open the output root file
    output_root_file = TFile(args.output_file, 'recreate')
 
    # create and draw histograms
    gStyle.SetOptStat(0)
    draw_bklmhists(file_chain)
 
    # close the output file
    output_root_file.Write()
    output_root_file.Close()
 
    print('BKLM validation plots created.')
 
 
# NOTE: *.Draw() must precede *.GetListOfFunctions().Add() or the latter will be discarded!
def draw_bklmhists(file_chain):
    """
    Draw the KLMHit2d-related distributions.
    """
 
    contact = 'Laura Salutari (Laura.Salutari@uniroma3.it)'
 
    # Shifter plots
 
    subdetector_selection = 'KLMHit2ds.m_Subdetector==1'
 
    inRPC = TH1F('InRPC', 'InRPC for KLMHit2ds', 2, -0.5, 1.5)
    file_chain.Draw('KLMHit2ds.inRPC()>>InRPC', subdetector_selection)
    inRPC.GetXaxis().SetTitle('0=scintillator  1=RPC')
    inRPC.GetListOfFunctions().Add(TNamed('Description', 'Flag indicating if a muon hit is in scintillator (0) or RPC (1)'))
    inRPC.GetListOfFunctions().Add(TNamed('Check', 'Mostly in RPC.'))
    inRPC.GetListOfFunctions().Add(TNamed('Contact', contact))
    inRPC.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=0.50,pvalue-error=0.10'))
    inRPC.SetMinimum(0.0)
    inRPC.Write()
 
    section = TH1F('Forward', 'Section for KLMHit2ds', 2, -0.5, 1.5)
    file_chain.Draw('KLMHit2ds.getSection()>>Forward', subdetector_selection)
    section.GetXaxis().SetTitle('0=backward  1=forward')
    section.GetListOfFunctions().Add(TNamed('Description',
                                            'Flag indicating if a muon hit is in backward (0) or forward (1) BKLM'))
    section.GetListOfFunctions().Add(TNamed('Check', 'More hits in the backward.'))
    section.GetListOfFunctions().Add(TNamed('Contact', contact))
    section.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=0.50,pvalue-error=0.10'))
    section.SetMinimum(0.0)
    section.Write()
 
    isOnTrack = TH1F('IsOnTrack', 'IsOnTrack for KLMHit2ds', 2, -0.5, 1.5)
    file_chain.Draw('KLMHit2ds.isOnTrack()>>IsOnTrack', subdetector_selection)
    isOnTrack.GetXaxis().SetTitle('0=not associated with Track  1=associated with Track')
    isOnTrack.GetListOfFunctions().Add(TNamed('Description',
                                              'Flag indicating if a muon hit is associated with a CDC Track by Muid'))
    isOnTrack.GetListOfFunctions().Add(TNamed('Check', 'Mostly associated.'))
    isOnTrack.GetListOfFunctions().Add(TNamed('Contact', contact))
    isOnTrack.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=0.50,pvalue-error=0.10'))
    isOnTrack.SetMinimum(0.0)
    isOnTrack.Write()
 
    sector = TH1F('Sector', 'Sector for KLMHit2ds', 10, -0.5, 9.5)
    file_chain.Draw('KLMHit2ds.getSector()>>Sector', subdetector_selection)
    sector.GetXaxis().SetTitle('Sector #')
    sector.GetListOfFunctions().Add(TNamed('Description', 'Sector number of muon hit'))
    sector.GetListOfFunctions().Add(TNamed('Check', 'Roughly flat in sectors 1-8.'))
    sector.GetListOfFunctions().Add(TNamed('Contact', contact))
    sector.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=1.00,pvalue-error=0.01'))
    sector.SetMinimum(0.0)
    sector.Write()
 
    layer = TH1F('Layer', 'Layer for KLMHit2ds', 17, -0.5, 16.5)
    file_chain.Draw('KLMHit2ds.getLayer()>>Layer', subdetector_selection)
    layer.GetXaxis().SetTitle('Layer #')
    layer.GetListOfFunctions().Add(TNamed('Description', 'Layer number of muon hit'))
    layer.GetListOfFunctions().Add(TNamed('Check',
                                          'First peak at layer 1 and second (higher) peak at layer 2, with tail above those.'))
    layer.GetListOfFunctions().Add(TNamed('Contact', contact))
    layer.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=1.0,pvalue-error=0.01'))
    layer.SetMinimum(0.0)
    layer.Write()
 
    phistrip = TH1F('PhiStrip', 'PhiStrip for KLMHit2ds', 50, -0.5, 49.5)
    file_chain.Draw('KLMHit2ds.getPhiStripAve()>>PhiStrip',
                    subdetector_selection)
    phistrip.GetXaxis().SetTitle('Phi strip #')
    phistrip.GetListOfFunctions().Add(TNamed('Description', 'Strip number in phi plane of muon hit'))
    phistrip.GetListOfFunctions().Add(TNamed('Check',
                                             'Roughly flat for 1-36 (all layers) and then for 37-48 (layers 6-15).'))
    phistrip.GetListOfFunctions().Add(TNamed('Contact', contact))
    phistrip.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=1.00,pvalue-error=0.01'))
    phistrip.SetMinimum(0.0)
    phistrip.Write()
 
    zstrip = TH1F('ZStrip', 'ZStrip for KLMHit2ds', 60, -0.5, 59.5)
    file_chain.Draw('KLMHit2ds.getZStripAve()>>ZStrip', subdetector_selection)
    zstrip.GetXaxis().SetTitle('Z strip #')
    zstrip.GetListOfFunctions().Add(TNamed('Description', 'Strip number in z plane of muon hit'))
    zstrip.GetListOfFunctions().Add(TNamed('Check',
                                           'Downward-sloping for 1-48 (all layers), shoulder for 49-54 (layers 1-2).'))
    zstrip.GetListOfFunctions().Add(TNamed('Contact', contact))
    zstrip.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=1.00,pvalue-error=0.01'))
    zstrip.SetMinimum(0.0)
    zstrip.Write()
 
    timeRPC = TH1F('TimeRPC', 'Hit time for KLMHit2ds in RPCs', 175, 5, 30)
    file_chain.Draw('KLMHit2ds.getTime()>>TimeRPC',
                    subdetector_selection + ' && KLMHit2ds.inRPC()==1')
    timeRPC.GetXaxis().SetTitle('t (ns)')
    timeRPC.GetListOfFunctions().Add(TNamed('Description', 'Time of muon hit in RPCs'))
    timeRPC.GetListOfFunctions().Add(TNamed('Check', 'Narrow peak at 0 ns.'))
    timeRPC.GetListOfFunctions().Add(TNamed('Contact', contact))
    timeRPC.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=1.00,pvalue-error=0.01'))
    timeRPC.Write()
 
    timeSci = TH1F('TimeSci', 'Hit time for KLMHit2ds in scintillators', 80, -5, 35)
    file_chain.Draw('KLMHit2ds.getTime()>>TimeSci',
                    subdetector_selection + ' && KLMHit2ds.inRPC()==0')
    timeSci.GetXaxis().SetTitle('t (ns)')
    timeSci.GetListOfFunctions().Add(TNamed('Description', 'Time of muon hit in scintillators'))
    timeSci.GetListOfFunctions().Add(TNamed('Check',
                                            'Peaks approximately around 0, 3, 8, 12, 15 and 20 ns.'))
    timeSci.GetListOfFunctions().Add(TNamed('Contact', contact))
    timeSci.GetListOfFunctions().Add(TNamed('MetaOptions', 'shifter,pvalue-warn=1.00,pvalue-error=0.01'))
    timeSci.Write()
 
    nPE = TH1F('nGenPE', 'Generated PE in BKLM', 200, 0.0, 200)
    file_chain.Draw('KLMDigits.getNGeneratedPhotoelectrons()>>nGenPE',
                    'KLMDigits.m_Subdetector==1 && KLMDigits.getLayer() < 3')
    nPE.GetXaxis().SetTitle('# generated PE')
    nPE.GetListOfFunctions().Add(TNamed('Description', 'Number of generated photoelectrons in BKLM'))
    nPE.GetListOfFunctions().Add(TNamed('Check', 'Peak around 50.'))
    nPE.GetListOfFunctions().Add(TNamed('Contact', contact))
    nPE.GetListOfFunctions().Add(TNamed('MetaOptions', ''))
    nPE.Write()
 
    # Expert plots
 
    edep = TH1F('EnergyDeposit', 'Energy deposition for KLMHit2ds', 260, -1.0, 25.0)
    file_chain.Draw('KLMHit2ds.getEnergyDeposit()*1000.0>>EnergyDeposit',
                    subdetector_selection)
    edep.GetXaxis().SetTitle('E (keV)')
    edep.GetListOfFunctions().Add(TNamed('Description', 'dE/dx energy deposition of muon hit'))
    edep.GetListOfFunctions().Add(TNamed('Check', 'Peak near 3 keV.'))
    edep.GetListOfFunctions().Add(TNamed('Contact', contact))
    edep.GetListOfFunctions().Add(TNamed('MetaOptions', 'expert,pvalue-warn=1.00,pvalue-error=0.01'))
    edep.Write()
 
 
# Entry point of this script: call the main() function
if __name__ == '__main__':
    main()