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//Plots efficiencies...
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//ROOT includes
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#include "TFile.h"
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#include "TH1F.h"
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#include "TGraph.h"
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//System includes
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#include <TObject.h>
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#include <TMinuit.h>
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#include <TLorentzVector.h>
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#include <TMath.h>
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#include <TString.h>
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#include <TStyle.h>
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#include <TLegend.h>
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#include <TCanvas.h>
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#include <TPad.h>
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#include <TGraphErrors.h>
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#include <TSystem.h>
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#include <vector>
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#include <stdio.h>
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#include <stdlib.h>
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#include <iostream>
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#include <string>
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void EfficiencyPlotter() {
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TFile *f = new TFile("efficiencyPlots_data.root", "recreate");
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TFile *inputFile1 = new TFile("./files/TagAndProbe/tnp_MC_noJetReq_noTrigReq_AltBin.root", "open");
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//TFile *inputFile2 = new TFile("./files/TagAndProbe/tnp_DATA_noJetReq_noTrigReq2_AltBin.root", "open");
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//TFile *inputFile3 = new TFile("./files/TagAndProbe/tnp_DATA_noJetReq_noTrigReq3_AltBin.root", "open");
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//TFile *inputFile4 = new TFile("./files/TagAndProbe/tnp_DATA_noJetReq_noTrigReq4_AltBin.root", "open");
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//TFile *inputFile5 = new TFile("./files/TagAndProbe/tnp_DATA_noJetReq_noTrigReq5_AltBin.root", "open");
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TString PlotType = "_MC_AltBin.png";
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//List the variables that we want plots of
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int nVariables = 4;
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int nBins[4] = { 5, 5, 5, 5};
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TString VariableList[4] = { "drMin", "eta", "pt", "relPt" };
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//double VariableMax[4] = { 5., 2.1, 200., 200. };
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//double VariableMin[4] = { 0., -2.1, 0., 0.};
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//Loop over all of the variables we want to plot
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for ( int i = 0; i < nVariables; i++ ) {
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probePlot1 = (TH1F *)inputFile1->Get(VariableList[i]+"_probe");
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passPlot1 = (TH1F *)inputFile1->Get(VariableList[i]+"_pass");
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//probePlot2 = (TH1F *)inputFile2->Get(VariableList[i]+"_probe");
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//passPlot2 = (TH1F *)inputFile2->Get(VariableList[i]+"_pass");
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//probePlot3 = (TH1F *)inputFile3->Get(VariableList[i]+"_probe");
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//passPlot3 = (TH1F *)inputFile3->Get(VariableList[i]+"_pass");
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//probePlot4 = (TH1F *)inputFile4->Get(VariableList[i]+"_probe");
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//passPlot4 = (TH1F *)inputFile4->Get(VariableList[i]+"_pass");
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//probePlot5 = (TH1F *)inputFile5->Get(VariableList[i]+"_probe");
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//passPlot5 = (TH1F *)inputFile5->Get(VariableList[i]+"_pass");
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TCanvas* c1 = new TCanvas("c1","", 600, 600);
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c1->cd();
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const int n = 5;
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const int m = 5;
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Float_t x[n];
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Float_t y[n];
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Float_t ex[n];
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Float_t ey[n];
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for ( int j = 0; j < nBins[i]; j++ ) {
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float nPass1 = passPlot1->GetBinContent(j+1);
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float nProbe1 = probePlot1->GetBinContent(j+1);
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//float nPass2 = passPlot2->GetBinContent(j+1);
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//float nProbe2 = probePlot2->GetBinContent(j+1);
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//float nPass3 = passPlot3->GetBinContent(j+1);
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//float nProbe3 = probePlot3->GetBinContent(j+1);
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//float nPass4 = passPlot4->GetBinContent(j+1);
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//float nProbe4 = probePlot4->GetBinContent(j+1);
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//float nPass5 = passPlot5->GetBinContent(j+1);
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//float nProbe5 = probePlot5->GetBinContent(j+1);
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//float sumPass = (float) nPass1+nPass2+nPass3+nPass4+nPass5;
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//float sumProbe = (float) nProbe1+nProbe2+nProbe3+nProbe4+nProbe5;
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float sumPass = (float) nPass1;
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float sumProbe = (float) nProbe1;
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float efficiency = 0.;
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if (sumProbe > 0.99) efficiency = (sumPass) / (sumProbe);
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float error = 0.;
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//if (nPass >= 10) {
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//If > 10 per bin use gaussian errors
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if (sumProbe > 0.99 && sumPass > 0.99) error = efficiency * sqrt ( 1./(float)sumPass + 1./(float)sumProbe );
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//}
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//take info from histos and put them in graphs
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x[j] = passPlot1->GetBinCenter(j+1);
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y[j] = efficiency;
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//ex[j] = passPlot->GetBinWidth(j+1) / 2.;
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ex[j] = 0.;
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ey[j] = error;
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}
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gr = new TGraphErrors(n,x,y,ex,ey);
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gr->SetTitle(VariableList[i]);
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gr->SetMarkerColor(4);
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gr->SetMarkerStyle(21);
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gr->GetYaxis()->SetRangeUser(0.1, 1.5);
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gr->GetYaxis()->SetTitle("Efficiency");
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if (i == 0) gr->GetXaxis()->SetTitle("#Delta R_{min} (#mu, jet)");
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else if (i == 1) gr->GetXaxis()->SetTitle("eta");
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else if (i == 2) gr->GetXaxis()->SetTitle("p_{T}");
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else if (i == 3) gr->GetXaxis()->SetTitle("p_{T}^{rel} (#mu, jet)");
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gr->Draw("AP");
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c1->Update();
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c1->Print( VariableList[i]+PlotType );
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delete c1;
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f->cd();
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gr->Write();
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}//for nVariables
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f->cd();
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f->Write();
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f->Close();
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}//EfficiencyPlotter()
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