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#include <TH2.h>
#include <TStyle.h>
#include <TCanvas.h>
#include <TMath.h>
#include <cmath>
#include <TString.h>
void Get_Plot(TH1D, TString);
void CosmicRateTool_Kinematics(const char *fileName) {
TString InputFile = Form("%s", fileName);
TFile *file = new TFile(InputFile);
bool IsFileExist;
IsFileExist = file->IsZombie();
if (IsFileExist) {
cout << endl
<< "====================================================================================================="
<< endl;
cout << fileName << " is not found. Check the file!" << endl;
cout << "====================================================================================================="
<< endl
<< endl;
exit(EXIT_FAILURE);
}
TTree *tree = (TTree *)file->Get("cosmicRateAnalyzer/Event");
vector<double> *pt;
vector<double> *charge;
vector<double> *chi2;
vector<double> *chi2_ndof;
vector<double> *eta;
vector<double> *theta;
vector<double> *phi;
vector<double> *p;
vector<double> *d0;
vector<double> *dz;
pt = 0;
charge = 0;
chi2 = 0;
chi2_ndof = 0;
eta = 0;
theta = 0;
phi = 0;
p = 0;
d0 = 0;
dz = 0;
tree->SetBranchAddress("pt", &pt);
tree->SetBranchAddress("charge", &charge);
tree->SetBranchAddress("chi2", &chi2);
tree->SetBranchAddress("chi2_ndof", &chi2_ndof);
tree->SetBranchAddress("eta", &eta);
tree->SetBranchAddress("theta", &theta);
tree->SetBranchAddress("phi", &phi);
tree->SetBranchAddress("p", &p);
tree->SetBranchAddress("d0", &d0);
tree->SetBranchAddress("dz", &dz);
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Various Kinematical Histograms Declerations
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
TH1D h_pt("h_pt", "h_pt", 100, 0, 100);
TH1D h_charge("h_charge", "h_charge", 10, -5, 5);
TH1D h_chi2("h_chi2", "h_chi2", 200, 0, 100);
TH1D h_chi2_ndof("h_chi2_ndof", "h_chi2_ndof", 100, 0, 10);
TH1D h_eta("h_eta", "h_eta", 500, -3, 3);
TH1D h_theta("h_theta", "h_theta", 500, -3, 3);
TH1D h_phi("h_phi", "h_phi", 400, -3.5, 3.5);
TH1D h_d0("h_d0", "h_d0", 1000, -85, 85);
TH1D h_dz("h_dz", "h_dz", 1500, -350, 350);
//----------------------------------------------------------------------------------------------------------------
int nTotalEvents = 0, nTotalTracks = 0;
Long64_t n = tree->GetEntriesFast();
for (Long64_t jentry = 0; jentry < n; jentry++) // Loop over events
{
tree->GetEntry(jentry);
for (int k = 0; k < pt->size(); k++) // Loop over tracks
{
h_pt.Fill(pt->at(k));
h_charge.Fill(charge->at(k));
h_chi2.Fill(chi2->at(k));
h_chi2_ndof.Fill(chi2_ndof->at(k));
h_eta.Fill(eta->at(k));
h_theta.Fill(theta->at(k));
h_phi.Fill(phi->at(k));
h_d0.Fill(d0->at(k));
h_dz.Fill(dz->at(k));
nTotalTracks++;
} // Tracks Loop
nTotalEvents++;
} // Event Loop
std::cout << "Total Events: " << nTotalEvents << std::endl;
std::cout << "Total Tracks: " << nTotalTracks << std::endl;
//++++++++++++++++++++++++++++++++++ Make Directory ++++++++++++++++++++++++++++++++++++++
gSystem->Exec("mkdir -p Kinematical_Plots");
//++++++++++++++++++++++++++++++++++ Plotting ++++++++++++++++++++++++++++++++++++++
Get_Plot(h_pt, "pt");
Get_Plot(h_eta, "eta");
Get_Plot(h_phi, "phi");
Get_Plot(h_theta, "theta");
Get_Plot(h_d0, "d0");
Get_Plot(h_dz, "dz");
Get_Plot(h_chi2, "chi2");
Get_Plot(h_chi2_ndof, "chi2_ndof");
Get_Plot(h_charge, "charge");
}
void Get_Plot(TH1D h1, TString variable) {
TCanvas c("c", "c", 556, 214, 661, 641);
gStyle->SetOptStat(0); // Dont show statistics
gStyle->SetOptTitle(0); // Dont show Title
c.Range(-7.156863, -810349, 5.764706, 4951034);
c.SetFillColor(0);
c.SetBorderMode(0);
c.SetBorderSize(3);
c.SetGridx();
c.SetGridy();
c.SetTickx(1);
c.SetTicky(1);
c.SetLeftMargin(0.1669196);
c.SetRightMargin(0.05918058);
c.SetTopMargin(0.08233276);
c.SetBottomMargin(0.1406518);
c.SetFrameLineWidth(3);
c.SetFrameBorderMode(0);
c.SetFrameLineWidth(3);
c.SetFrameBorderMode(0);
TGaxis::SetMaxDigits(3);
h1.SetLineColor(kRed);
h1.SetLineWidth(3);
//---- X-axis Titles -----//
TString TempEta = "eta", TempChi2 = "chi2";
if (variable.Contains("pt")) {
h1.SetXTitle("Track p_{T} (GeV)");
} else if (variable.Contains("charge")) {
h1.SetXTitle("Track charge (e)");
} else if (variable.Data() == TempEta) {
h1.SetXTitle("Track #eta");
} else if (variable.Contains("phi")) {
h1.SetXTitle("Track #phi (rad)");
} else if (variable.Contains("theta")) {
h1.SetXTitle("Track #theta (rad)");
} else if (variable.Contains("d0")) {
h1.SetXTitle("Track d_{0} (cm)");
} else if (variable.Contains("dz")) {
h1.SetXTitle("Track d_{z} (cm)");
} else if (variable.Data() == TempChi2) {
h1.SetXTitle("Track #chi^{2}");
} else if (variable.Contains("ndof")) {
h1.SetXTitle("Track #chi^{2} per NDF");
} else {
std::cout << "Title does not match anything in the categories defined!" << std::endl;
}
h1.SetYTitle("Tracks (#)");
h1.SetLabelSize(0.05);
h1.GetXaxis()->SetLabelSize(0.05);
h1.GetXaxis()->SetTitleSize(0.05);
h1.GetYaxis()->SetLabelSize(0.05);
h1.GetYaxis()->SetTitleSize(0.06);
h1.GetXaxis()->SetTitleOffset(1.12);
h1.Draw();
// Text on upper right corner of plot //
TLatex Title = TLatex();
Title.SetTextFont(42);
Title.SetTextSize(0.039);
Title.DrawLatexNDC(0.76, 0.94, "cosmic rays"); //Bv1
//============== Saving as PDF, png and C ============= //
TString PlotFormat[] = {"png", "pdf", "C"};
for (int k = 0; k < 3; k++) {
TString Format = variable + "." + PlotFormat[k];
c.SaveAs(Format.Data());
TString mv_folder_string = "mv " + Format + " Kinematical_Plots";
gSystem->Exec(mv_folder_string.Data());
}
c.Close();
}
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