asymmetriesInVariablesPlots.py

#!/usr/bin/env python3
 
 
 
 
 
import os
import glob
import math
from matplotlib.ticker import FormatStrFormatter
import matplotlib.pyplot as plt
import ROOT
from ROOT import Belle2
import sys
import basf2 as b2
import flavorTagger as ft
from inputVariablesPlots import variablesPlotParamsDict, categories
 
import numpy as np
import matplotlib as mpl
mpl.use('Agg')
mpl.rcParams.update({'font.size': 22})
mpl.rcParams['text.usetex'] = True
mpl.rcParams['text.latex.preamble'] = [r"\usepackage{amsmath}"]
 
 
if len(sys.argv) != 5:
    sys.exit("Must provide 4 arguments: [Belle or Belle2] [BGx0 or BGx1] [training] [workingDirectory]"
             )
 
belleOrBelle2 = sys.argv[1]
MCtype = str(sys.argv[2])
decayChannelTrainedOn = str(sys.argv[3])  # Decay channel of the weight files "JPsiKs" or "nunubar"
workingDirectory = sys.argv[4]
 
filesDirectory = workingDirectory + '/FlavorTagging/TrainedMethods'
 
if decayChannelTrainedOn == 'JPsiKs':
    decayChannelTrainedOn = 'JpsiKs_mu'
 
weightFiles = 'B2' + decayChannelTrainedOn + MCtype
 
ROOT.TH1.SetDefaultSumw2()
 
allInputVariables = []
 
belleOrBelle2Flag = belleOrBelle2
 
identifiersExtraInfosDict = dict()
identifiersExtraInfosKaonPion = []
 
dBw = 50
 
pBins = 50
fBins = 100
 
unitImp = "mm"
 
if belleOrBelle2 == "Belle":
    unitImp = "cm"
 
 
# particle Label, PDG for negative, PDG for positive particle
 
particleConditions = {'e+:inRoe': ['e', " mcPDG > 0 ", " mcPDG < 0 "], 'mu+:inRoe': [r'\mu', " mcPDG > 0 ", " mcPDG < 0 "],
                      'lepton+:inRoe': ['l', " mcPDG > 0 ", " mcPDG < 0 "],
                      'K+:inRoe': ['K', " mcPDG < 0 ", " mcPDG > 0 "], 'pi+:inRoe': [r'\pi', " mcPDG < 0 ", " mcPDG > 0 "],
                      'h+:inRoe': ['h', " mcPDG < 0 ", " mcPDG > 0 "], 'Lambda0:inRoe': [r'\Lambda', " mcPDG < 0 ", " mcPDG > 0 "]}
 
 
if not b2.find_file('AsymmetriesInVariablesPlots', silent=True):
    os.mkdir('./AsymmetriesInVariablesPlots')
 
 
for (particleList, category, _) in ft.getEventLevelParticleLists(categories):
 
    # if category != "KinLepton":
    #    continue
 
    if not b2.find_file('AsymmetriesInVariablesPlots/' + category, silent=True):
        os.mkdir('./AsymmetriesInVariablesPlots/' + category)
 
    if particleList not in identifiersExtraInfosDict and category != 'KaonPion':
        identifiersExtraInfosDict[particleList] = []
 
    methodPrefixEventLevel = "FlavorTagger_" + belleOrBelle2Flag + "_" + weightFiles + 'EventLevel' + category + 'FBDT'
    treeName = methodPrefixEventLevel + "_tree"
    targetVariable = 'isRightCategory(' + category + ')'
 
    tree = ROOT.TChain(treeName)
 
    workingFiles = glob.glob(filesDirectory + '/' + methodPrefixEventLevel + 'sampled*.root')
    # workingFiles = glob.glob(filesDirectory + '/' + methodPrefixEventLevel + 'sampled1?.root')
 
    for iFile in workingFiles:
        tree.AddFile(iFile)
 
    categoryInputVariables = []
    trulyUsedInputVariables = []
    for iVariable in tree.GetListOfBranches():
 
        managerVariableName = str(Belle2.MakeROOTCompatible.invertMakeROOTCompatible(iVariable.GetName()))
 
        if managerVariableName in ft.getTrainingVariables(category) or managerVariableName == 'distance' or\
                managerVariableName == 'z0' or managerVariableName == 'ImpactXY' or\
                managerVariableName == 'y' or managerVariableName == 'OBoost':
            if managerVariableName in categoryInputVariables:
                continue
 
            categoryInputVariables.append(managerVariableName)
            if managerVariableName in ft.getTrainingVariables(category):
                allInputVariables.append((category, managerVariableName))
                trulyUsedInputVariables.append((category, managerVariableName))
 
                if managerVariableName not in identifiersExtraInfosDict[particleList] and category != 'KaonPion':
                    identifiersExtraInfosDict[particleList].append(managerVariableName)
 
                elif category == 'KaonPion' and managerVariableName not in identifiersExtraInfosKaonPion:
                    identifiersExtraInfosKaonPion.append(managerVariableName)
 
    print("The number of variables used in " + category + " is = ", len(trulyUsedInputVariables))
 
    if category != 'KaonPion' and category != 'FSC' and category != 'MaximumPstar' and\
       category != 'FastHadron' and category != 'Lambda':
        categoryInputVariables.append('BtagToWBosonVariables(recoilMass)')
 
    for inputVariable in categoryInputVariables:
 
        # if not (inputVariable == 'z0' or inputVariable == 'ImpactXY' or inputVariable == 'y' or inputVariable == 'OBoost'):
        #   continue
 
        print(inputVariable)
 
        nBins = variablesPlotParamsDict[inputVariable][1]
        limXmin = variablesPlotParamsDict[inputVariable][2]
        limXmax = variablesPlotParamsDict[inputVariable][3]
 
        if belleOrBelle2 == "Belle2":
            if inputVariable == 'distance':
                limXmax = 1.0
 
            if inputVariable == 'ImpactXY':
                limXmax = 0.3
 
        if category == "SlowPion":
            if inputVariable == 'p' or inputVariable == 'useCMSFrame(p)' or\
                    inputVariable == 'pt' or inputVariable == 'useCMSFrame(pt)':
                nBins = 150
                limXmax = 1.5
 
            if inputVariable == 'distance':
                nBins = 80
                limXmax = 2.4
 
            if inputVariable == 'ImpactXY':
                nBins = 80
                limXmax = 0.8
 
        if category == "Lambda":
            if inputVariable == 'distance':
                # nBins = 25
                limXmax = 10
 
            if inputVariable == 'chiProb':
                nBins = 25
 
        additionalCond = ''
 
        if category == "FastHadron":
            particleList = 'h+:inRoe'
 
        if category == "KinLepton" or category == "IntermediateKinLepton":
            particleList = 'lepton+:inRoe'
 
        negativeHistogram = ROOT.TH1F("negative" + category + str(Belle2.MakeROOTCompatible.makeROOTCompatible(inputVariable)), "",
                                      nBins,
                                      limXmin,
                                      limXmax)
        positiveHistogram = ROOT.TH1F("positive" + category + str(Belle2.MakeROOTCompatible.makeROOTCompatible(inputVariable)), "",
                                      nBins,
                                      limXmin,
                                      limXmax)
 
        factorMultiplication = ''
 
        if belleOrBelle2 == "Belle2" and ((category != "Lambda" and inputVariable == 'distance') or inputVariable ==
                                          'z0' or inputVariable == 'ImpactXY' or inputVariable == 'y' or inputVariable == 'OBoost'):
            factorMultiplication = "*10 "
 
        tree.Draw(variablesPlotParamsDict[inputVariable][0] +
                  factorMultiplication +
                  ">> negative" +
                  category +
                  str(Belle2.MakeROOTCompatible.makeROOTCompatible(inputVariable)), additionalCond +
                  "abs(" +
                  Belle2.MakeROOTCompatible.makeROOTCompatible(targetVariable) +
                  ") > 0 && " +
                  particleConditions[particleList][1])
 
        tree.Draw(variablesPlotParamsDict[inputVariable][0] +
                  factorMultiplication +
                  ">> positive" +
                  category +
                  str(Belle2.MakeROOTCompatible.makeROOTCompatible(inputVariable)), additionalCond +
                  "abs(" +
                  Belle2.MakeROOTCompatible.makeROOTCompatible(targetVariable) +
                  ") > 0 && " +
                  particleConditions[particleList][2])
 
        negativeScalingFactor = negativeHistogram.Integral()
        positiveScalingFactor = positiveHistogram.Integral()
 
        if negativeScalingFactor == 0:
            negativeScalingFactor = 1
 
        if positiveScalingFactor == 0:
            positiveScalingFactor = 1
 
        negativeHistogram.Scale(1 / negativeScalingFactor)
        positiveHistogram.Scale(1 / positiveScalingFactor)
 
        negativeArray = np.zeros((negativeHistogram.GetNbinsX(), 2))
        positiveArray = np.zeros((positiveHistogram.GetNbinsX(), 2))
 
        asymmetryArray = np.zeros((positiveHistogram.GetNbinsX(), 2))
        asymmetryArrayUncertainties = np.zeros((positiveHistogram.GetNbinsX(), 2))
 
        for i in range(0, negativeHistogram.GetNbinsX()):
            negativeArray[i] = np.array([negativeHistogram.GetBinCenter(i + 1), negativeHistogram.GetBinContent(i + 1)])
            positiveArray[i] = np.array([positiveHistogram.GetBinCenter(i + 1), positiveHistogram.GetBinContent(i + 1)])
 
            numerator = float(positiveArray[i][1] - negativeArray[i][1])
            denominator = float(positiveArray[i][1] + negativeArray[i][1])
 
            if denominator == 0:
                asymmetryArray[i] = np.array([negativeHistogram.GetBinCenter(i + 1), 0])
                asymmetryArrayUncertainties[i] = np.array([negativeHistogram.GetBinCenter(i + 1), 0])
            else:
                asymmetryArray[i] = np.array([negativeHistogram.GetBinCenter(i + 1), float(numerator / denominator)])
 
                uncertainty = 2 * math.sqrt((negativeArray[i][1] * negativeHistogram.GetBinError(i + 1))**2 + (
                    positiveArray[i][1] * positiveHistogram.GetBinError(i + 1))**2) / (negativeArray[i][1] + positiveArray[i][1])**2
 
                asymmetryArrayUncertainties[i] = np.array([negativeHistogram.GetBinCenter(i + 1), uncertainty])
 
        fig1 = plt.figure(1, figsize=(11, 11))
 
        # if inputVariable == 'Kid_dEdx' or inputVariable == 'muid_dEdx':
        #    ax1 = plt.axes([0.18, 0.17, 0.75, 0.8])
        # if inputVariable == 'pi_vs_edEdxid':
        #    ax1 = plt.axes([0.18, 0.187, 0.75, 0.805])
        # else:
        ax1 = plt.axes([0.19, 0.37, 0.76, 0.60])
 
        # print(negativeArray.shape, negativeHistogram.GetNbinsX(), )
        # print(negativeArray)
        ax1.hist(
            negativeArray[:, 0], weights=negativeArray[:, 1], bins=negativeHistogram.GetNbinsX(),
            histtype='step', edgecolor='b', linewidth=4.5, linestyle='dashed',
            label=r'$' + particleConditions[particleList][0] + '^{-} $')
 
        ax1.hist(positiveArray[:, 0], weights=positiveArray[:, 1], bins=positiveHistogram.GetNbinsX(),
                 histtype='step', edgecolor='r', linewidth=4, alpha=0.7,
                 label=r'$' + particleConditions[particleList][0] + '^{+} $')  # hatch='.',
 
        p1, =  ax1.plot([], label=r'$' + particleConditions[particleList][0] + '^{-} $',
                        linewidth=5.5, linestyle='dashed', c='b')
        p2, =  ax1.plot([], label=r'$' + particleConditions[particleList][0] +
                        '^{+} $', linewidth=5, linestyle='solid', alpha=0.9, c='r')
 
        binWidth = negativeHistogram.GetBinWidth(2)
 
        if inputVariable == 'lambdaZError':  # or inputVariable == 'ImpactXY' or\
            #                (category != "Lambda" and inputVariable == 'distance'):
            binWidth = binWidth * 10
 
        if inputVariable == 'M':
            binWidth = binWidth * 1000
 
        if category == "Lambda" and inputVariable == 'distance':
            variablesPlotParamsDict[inputVariable][5] = r"{\rm cm}\, "
 
        binWidth = '{:8.2f}'.format(binWidth)
 
        legendLocation = 1
        ax1.set_ylabel(r'${\rm Fraction\hspace{0.25em} of\hspace{0.25em} Events}\, /\, (\, ' + binWidth + r'\, ' +
                       variablesPlotParamsDict[inputVariable][5] + r')$', fontsize=35)
        if inputVariable == 'extraInfo(isRightCategory(Kaon))' or\
           inputVariable == 'HighestProbInCat(pi+:inRoe, isRightCategory(SlowPion))':
            legendLocation = 3
            ax1.set_yscale('log', nonposy='clip')
        else:
            ax1.yaxis.set_major_formatter(FormatStrFormatter(r'$%.2f$'))
 
        # ax1.set_ylim(0, 1.4)
        ax1.set_xlim(limXmin, limXmax)
 
        locs, labels = plt.xticks()
        empty_string_labels = [''] * len(labels)
        plt.locator_params(axis='x', nbins=len(labels))
        ax1.set_xticklabels(empty_string_labels)
        ax1.tick_params(axis='y', labelsize=37)
 
        if inputVariable.find('ARICH') != -1 or inputVariable.find('TOP') != -1 or \
                inputVariable == 'cosTPTO' or inputVariable.find('KLM') != -1 or\
                inputVariable == 'cosTheta' or inputVariable == 'FSCVariables(cosTPTOFast)' or\
                inputVariable == 'KaonPionVariables(cosKaonPion)':
            legendLocation = 2
 
        elif inputVariable == 'FSCVariables(SlowFastHaveOpositeCharges)' or \
                inputVariable == 'KaonPionVariables(HaveOpositeCharges)' or inputVariable == "eid_ECL" or \
                inputVariable.find('ID') != -1 or inputVariable.find('dEdx') != -1:
            legendLocation = 9
 
        if inputVariable == 'muid_dEdx':
            if category != 'KinLepton':
                legendLocation = 8
 
        ax1.legend([p1, p2], [r'$' +
                              particleConditions[particleList][0] +
                              '^{-} $', r'$' +
                              particleConditions[particleList][0] +
                              '^{+} $'], prop={'size': 50}, loc=legendLocation, numpoints=1, handlelength=1)
        ax1.grid(True)
 
        ax2 = plt.axes([0.19, 0.15, 0.76, 0.2])
 
        # print(asymmetryArrayUncertainties)
 
        ax2.errorbar(asymmetryArray[:, 0], asymmetryArray[:, 1], xerr=float(negativeHistogram.GetBinWidth(2) / 2),
                     yerr=asymmetryArrayUncertainties[:, 1], elinewidth=2, mew=2, ecolor='k',
                     fmt='o', mfc='k', mec='k', markersize=6, label=r'${\rm Data}$')
 
        ax2.set_ylabel(r'$\frac{f^{+}\; -\;\, f^{-}}{f^{+}\; +\;\, f^{-}}$', fontsize=50, labelpad=20)
        ax2.yaxis.labelpad = 8
 
        plt.yticks([-0.75, -0.5, -0.25, 0, 0.25, 0.5, 0.75],
                   [r'', r'$-0.5$', r'', r'$0.0$', r'', r'$0.5$', r''], rotation=0, size=25)
        ax2.set_ylim(-0.75, 0.75)
        ax2.xaxis.grid(True)  # linestyle='--'
        plt.axhline(y=0.5, linewidth=2, color='tab:gray', linestyle='-')
        plt.axhline(y=0.25, linewidth=2, color='tab:gray', linestyle='-')
        plt.axhline(y=0, linewidth=2, color='tab:gray', linestyle='-')
        plt.axhline(y=-0.25, linewidth=2, color='tab:gray', linestyle='-')
        plt.axhline(y=-0.5, linewidth=2, color='tab:gray', linestyle='-')
 
        xLabel = variablesPlotParamsDict[inputVariable][4]
        if category == "FSC":
            if inputVariable == 'cosTPTO':
                xLabel = r'$\vert\cos{\theta^*_{\rm T, Slow}}\vert$'
            if inputVariable == 'useCMSFrame(p)':
                xLabel = r'$p^*_{\rm Slow}\ [{\rm GeV}/c]$'
        if category == 'Lambda':
            if inputVariable == 'useCMSFrame(p)':
                xLabel = r'$p^*_{\Lambda}\ [{\rm GeV}/c]$'
            if inputVariable == 'p':
                xLabel = r'$p_{\Lambda}\ [{\rm GeV}/c]$'
 
        if inputVariable == 'pi_vs_edEdxid':
            ax2.xaxis.labelpad = 5
        else:
            ax2.xaxis.labelpad = 15
        plt.locator_params(axis='x', nbins=len(labels))
 
        ax2.set_xlim(limXmin, limXmax)
        ax2.tick_params(axis='x', labelsize=40)
        ax2.set_xlabel(xLabel, fontsize=50)
        plt.savefig('./AsymmetriesInVariablesPlots/' + category + '/' + category +
                    "_" + str(Belle2.MakeROOTCompatible.makeROOTCompatible(inputVariable)) + '.pdf')
        fig1.clear()
 
        negativeHistogram.Delete()
        positiveHistogram.Delete()
 
totalNumberOfVariables = 0
 
for category in ft.variables_fict:
    totalNumberOfVariables += len(ft.getTrainingVariables(category))
 
print("Total number of variables = ", totalNumberOfVariables)
 
totalNumberOfCalculatedVariables = len(identifiersExtraInfosKaonPion)
 
print("Calculations for Kaon-Pion Category = ", totalNumberOfCalculatedVariables)
 
print("Variables per particle list:")
for particleList in identifiersExtraInfosDict:
    print(particleList)
    print(identifiersExtraInfosDict[particleList])
    totalNumberOfCalculatedVariables += len(identifiersExtraInfosDict[particleList])
 
print("Total number of calculated variables = ", totalNumberOfCalculatedVariables)