| 1 |
//
|
| 2 |
// A root macro to plot MC and data on the
|
| 3 |
// same histogram for a variety of different
|
| 4 |
// variables.
|
| 5 |
//
|
| 6 |
// John Babb 11/11/10
|
| 7 |
//
|
| 8 |
|
| 9 |
//ROOT includes
|
| 10 |
#include "TTree.h"
|
| 11 |
#include "TFile.h"
|
| 12 |
#include "TBranch.h"
|
| 13 |
#include "TLeafF.h"
|
| 14 |
#include "TLeafI.h"
|
| 15 |
#include "TH1F.h"
|
| 16 |
#include "TH2F.h"
|
| 17 |
#include "THStack.h"
|
| 18 |
|
| 19 |
|
| 20 |
//System includes
|
| 21 |
#include <TObject.h>
|
| 22 |
#include <TMinuit.h>
|
| 23 |
#include <TLorentzVector.h>
|
| 24 |
#include <TMath.h>
|
| 25 |
#include <TString.h>
|
| 26 |
#include <TStyle.h>
|
| 27 |
#include <TLegend.h>
|
| 28 |
#include <TCanvas.h>
|
| 29 |
#include <TPad.h>
|
| 30 |
#include <TGraphErrors.h>
|
| 31 |
#include <TSystem.h>
|
| 32 |
#include <vector>
|
| 33 |
#include <stdio.h>
|
| 34 |
#include <stdlib.h>
|
| 35 |
#include <iostream>
|
| 36 |
#include <string>
|
| 37 |
|
| 38 |
|
| 39 |
|
| 40 |
|
| 41 |
void histocompare() {
|
| 42 |
|
| 43 |
|
| 44 |
TString path1 = "/uscms_data/d2/jbabb/CMSSW_4_2_5/src/TopQuarkAnalysis/Skynet/test/Skynet_Preselection_AltMassReco_";
|
| 45 |
TString path2 = "/uscms_data/d2/jbabb/CMSSW_4_2_5/src/TopQuarkAnalysis/Skynet/test/Skynet_Preselection_AltMassRecoWithErrors_";
|
| 46 |
|
| 47 |
//Get files
|
| 48 |
TFile *file1 = new TFile(path1+"Zprime2000.root", "open");
|
| 49 |
TFile *file2 = new TFile(path2+"Zprime2000.root", "open");
|
| 50 |
|
| 51 |
|
| 52 |
//Get trees
|
| 53 |
TTree *tree1 = (TTree*)file1->Get("PATuple");
|
| 54 |
TTree *tree2 = (TTree*)file2->Get("PATuple");
|
| 55 |
|
| 56 |
|
| 57 |
int n1 = tree1->GetEntries();
|
| 58 |
int n2 = tree2->GetEntries();
|
| 59 |
|
| 60 |
float scale = float(n2)/float(n1);
|
| 61 |
|
| 62 |
|
| 63 |
//List the variables that we want plots of
|
| 64 |
int nVariables = 3;
|
| 65 |
int nBins = 50;
|
| 66 |
TString VariableList[] = {
|
| 67 |
"unfittedEvent_ttInvariantMass", "unfittedHadTopMass", "unfittedLepTopMass"
|
| 68 |
};
|
| 69 |
double VariableMax[] = { 3000., 1000., 1000.
|
| 70 |
};
|
| 71 |
double VariableMin[] = { 0., 0., 0.
|
| 72 |
};
|
| 73 |
|
| 74 |
TString PlotType = ".png";
|
| 75 |
|
| 76 |
//Loop over all of the variables we want to plot
|
| 77 |
for ( int i = 0; i < nVariables; i++ ) {
|
| 78 |
|
| 79 |
|
| 80 |
// TTbar
|
| 81 |
|
| 82 |
float entry1;
|
| 83 |
|
| 84 |
int entries_tree1 = tree1->GetEntries();
|
| 85 |
TH1F *Plot1 = new TH1F( "Spring11_"+VariableList[i], "Spring11_"+VariableList[i], nBins, VariableMin[i], VariableMax[i]);
|
| 86 |
TBranch *Branch1 = tree1->GetBranch( VariableList[i] );
|
| 87 |
|
| 88 |
Branch1->SetAddress(&entry1);
|
| 89 |
|
| 90 |
|
| 91 |
TCanvas* c1 = new TCanvas();
|
| 92 |
c1->cd();
|
| 93 |
|
| 94 |
for ( int j = 0; j < entries_tree1; j++ ) {
|
| 95 |
|
| 96 |
Branch1->GetEntry(j);
|
| 97 |
Plot1->Fill(entry1);
|
| 98 |
|
| 99 |
}
|
| 100 |
|
| 101 |
Plot1->SetLineColor(kRed);
|
| 102 |
|
| 103 |
Plot1->Scale( scale, "" );
|
| 104 |
Plot1->Draw();
|
| 105 |
c1->Update();
|
| 106 |
delete c1;
|
| 107 |
|
| 108 |
|
| 109 |
|
| 110 |
|
| 111 |
float entry2;
|
| 112 |
|
| 113 |
int entries_tree2 = tree2->GetEntries();
|
| 114 |
TH1F *Plot2 = new TH1F( "Summer11_"+VariableList[i], "Summer11_"+VariableList[i], nBins, VariableMin[i], VariableMax[i]);
|
| 115 |
TBranch *Branch2 = tree2->GetBranch( VariableList[i] );
|
| 116 |
|
| 117 |
Branch2->SetAddress(&entry2);
|
| 118 |
|
| 119 |
|
| 120 |
TCanvas* c1 = new TCanvas();
|
| 121 |
c1->cd();
|
| 122 |
|
| 123 |
for ( int j = 0; j < entries_tree2; j++ ) {
|
| 124 |
|
| 125 |
Branch2->GetEntry(j);
|
| 126 |
Plot2->Fill(entry2);
|
| 127 |
|
| 128 |
}
|
| 129 |
|
| 130 |
Plot2->SetLineColor(kBlue);
|
| 131 |
|
| 132 |
Plot2->Draw();
|
| 133 |
c1->Update();
|
| 134 |
delete c1;
|
| 135 |
|
| 136 |
|
| 137 |
|
| 138 |
TCanvas* c9 = new TCanvas();
|
| 139 |
c9->cd();
|
| 140 |
|
| 141 |
Plot1->Draw("");
|
| 142 |
c9->Update();
|
| 143 |
Plot2->Draw("SAME");
|
| 144 |
c9->Update();
|
| 145 |
|
| 146 |
|
| 147 |
TLegend *leg = new TLegend(.6, .75, .95, .95);
|
| 148 |
leg->AddEntry(Plot1, "Reco without errors", "l");
|
| 149 |
leg->AddEntry(Plot2, "Reco with errors", "l");
|
| 150 |
leg->Draw();
|
| 151 |
|
| 152 |
|
| 153 |
|
| 154 |
TString plotname = "Combined_"+VariableList[i]+PlotType;
|
| 155 |
c9->Print( plotname );
|
| 156 |
|
| 157 |
|
| 158 |
delete c9;
|
| 159 |
|
| 160 |
delete Plot1;
|
| 161 |
delete Plot2;
|
| 162 |
|
| 163 |
|
| 164 |
|
| 165 |
|
| 166 |
} //for i
|
| 167 |
|
| 168 |
}//DataPlotter
|
