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evaluation.c
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evaluation.c
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#include "TROOT.h"
#include <cstdio>
#include "RooRealVar.h"
#include "RooDataSet.h"
#include "RooGaussian.h"
#include "TCanvas.h"
#include "RooPlot.h"
#include <string>
#include "TFile.h"
#include "TTree.h"
#include "TLatex.h"
void evaluation() {
TFile *noPU;
TFile *regr;
TFile *regrNoPU;
TFile *corr;
TString noPUname = "data/pionNoPU_test.root";
TString regrName = "data/pionPU_regr.root";
TString regrNoPUname = "data/pionNoPU_regr.root";
TString corrName = "data/pionPU_corr.root";
noPU = TFile::Open(noPUname);
regr = TFile::Open(regrName);
regrNoPU = TFile::Open(regrNoPUname);
corr = TFile::Open(corrName);
TTree *noPUTree = (TTree*)noPU->Get("CalibTree");
TTree *regrTree = (TTree*)regr->Get("CalibTree");
TTree *regrNoPUtree = (TTree*)regrNoPU->Get("CalibTree");
TTree *corrTree = (TTree*)corr->Get("CalibTree");
double r_true;
int ieta;
noPUTree->SetBranchAddress("R_true_fit", &r_true);
noPUTree->SetBranchAddress("t_ieta", &ieta);
long i = 0, j = 0;
double r_noPU[60] = {0};
for(i = 0; i < noPUTree->GetEntries(); i++){
noPUTree->GetEntry(i);
if(r_noPU[30 + ieta] == 0) {
r_noPU[30 + ieta] = r_true;
j++;
}
if(j == 54) break;
}
RooRealVar x("R_true_regr","R_true_regr",0,2) ;
RooRealVar y("t_ieta","t_ieta", -30, 30) ;
RooRealVar z("R","R",0,2) ;
RooRealVar w("R_true_corr","R_true_corr",0,2) ;
RooDataSet dataset = RooDataSet("data", "data", regrTree, RooArgSet(x, y, z));
RooRealVar meanR1("mean","mean of gaussian",1,0,2) ;
RooRealVar sigmaR1("sigma","width of gaussian",0.2,0.00001,1) ;
RooGaussian gaussR1("gauss","gaussian PDF",x,meanR1,sigmaR1) ;
RooRealVar meanR2("mean","mean of gaussian",1,0,2) ;
RooRealVar sigmaR2("sigma","width of gaussian",0.2,0.00001,1) ;
RooGaussian gaussR2("gauss","gaussian PDF",z,meanR2,sigmaR2) ;
char* ccut = new char [128];
double R_regr_fit[60];
double R_PU_fit[60];
double R_regr_noPU[60];
double R_corr[60];
RooDataSet **data = (RooDataSet**)operator new (sizeof(RooDataSet)*60);
for(i = -30; i < 30; i++){
sprintf(ccut, "abs(t_ieta - %ld) < 0.5", i);
data[30 + i] = (RooDataSet*)dataset.reduce(ccut);
gaussR1.fitTo(*data[30 + i]) ;
gaussR2.fitTo(*data[30 + i]) ;
R_regr_fit[30 + i] = meanR1.getValV();
R_PU_fit[30 + i] = meanR2.getValV();
(*data[30 + i]).~RooDataSet();
}
RooDataSet dataset2 = RooDataSet("data2", "data2", regrNoPUtree, RooArgSet(x, y));
RooDataSet **data2 = (RooDataSet**)operator new (sizeof(RooDataSet)*60);
RooRealVar meanR3("mean","mean of gaussian",1,0,2) ;
RooRealVar sigmaR3("sigma","width of gaussian",0.2,0.00001,1) ;
RooGaussian gaussR3("gauss","gaussian PDF",x,meanR3,sigmaR3) ;
for(i = -30; i < 30; i++){
sprintf(ccut, "abs(t_ieta - %ld) < 0.5", i);
data2[30 + i] = (RooDataSet*)dataset2.reduce(ccut);
gaussR3.fitTo(*data2[30 + i]) ;
R_regr_noPU[30 + i] = meanR3.getValV();
(*data2[30 + i]).~RooDataSet();
}
RooDataSet dataset3 = RooDataSet("data3", "data3", corrTree, RooArgSet(w, y));
RooDataSet **data3 = (RooDataSet**)operator new (sizeof(RooDataSet)*60);
RooRealVar meanR4("mean","mean of gaussian",1,0,2) ;
RooRealVar sigmaR4("sigma","width of gaussian",0.2,0.00001,1) ;
RooGaussian gaussR4("gauss","gaussian PDF",w,meanR4,sigmaR4) ;
for(i = -30; i < 30; i++){
sprintf(ccut, "abs(t_ieta - %ld) < 0.5", i);
data3[30 + i] = (RooDataSet*)dataset3.reduce(ccut);
gaussR4.fitTo(*data3[30 + i]) ;
R_corr[30 + i] = meanR4.getValV();
(*data3[30 + i]).~RooDataSet();
}
double num[60];
for(i = 0; i < 60; i ++)
num[i] = i - 30;
TMultiGraph *mg1 = new TMultiGraph();
TCanvas *cEval1 = new TCanvas("cEval1","Graph1",800,400);
TH2F *hpx1 = new TH2F("hpx","MPV of response vs. i#eta",10,-26.5,26.5,10,0.9,1.61);
hpx1->SetStats(kFALSE); // no statistics
hpx1->SetTitleSize(0.05, "XY");
hpx1->GetXaxis()->SetTitle("i#eta");
hpx1->GetYaxis()->SetTitle("#frac{E_{HCAL}}{p - E_{ECAL}}");
hpx1->Draw();
TGraph* grNoPU1 = new TGraph(60,num,r_noPU);
grNoPU1->SetMarkerColor(kBlack);
grNoPU1->SetMarkerSize(0.8);
grNoPU1->SetMarkerStyle(20);
grNoPU1->SetPoint(0, -5, 1.54);
mg1->Add(grNoPU1);
/*TGraph* grRegr1 = new TGraph(60,num,R_regr_fit);
grRegr1->SetMarkerColor(kRed);
grRegr1->SetMarkerSize(0.8);
grRegr1->SetMarkerStyle(21);
grRegr1->SetPoint(0, -5, 1.49);
mg1->Add(grRegr1);*/
/*TGraph* grRegrNoPU = new TGraph(60,num,R_regr_noPU);
grRegrNoPU->SetMarkerColor(kBlue);
grRegrNoPU->SetMarkerSize(0.8);
grRegrNoPU->SetMarkerStyle(23);
grRegrNoPU->SetPoint(0, -5, 1.39);
mg1->Add(grRegrNoPU);*/
TGraph* grPU1 = new TGraph(60,num,R_PU_fit);
grPU1->SetMarkerColor(kRed);
grPU1->SetMarkerSize(0.8);
grPU1->SetMarkerStyle(22);
grPU1->SetPoint(0, -5, 1.44);
mg1->Add(grPU1);
mg1->Draw("P");
TLatex *t1 = new TLatex();
t1->SetTextFont(62);
t1->SetTextSize(0.05);
t1->SetTextAlign(12);
t1->SetTextColor(kBlack);
t1->DrawLatex(-4, 1.54, "#pi^{#pm} w/o PU");
//t1->SetTextColor(kRed);
//t1->DrawLatex(-4, 1.49, "#pi^{#pm} w/ PU corrected");
t1->SetTextColor(kRed);
t1->DrawLatex(-4, 1.44, "#pi^{#pm} w/ PU");
//t1->SetTextColor(kBlue);
//t1->DrawLatex(-4, 1.39, "noPU regr");
cEval1->SaveAs("graphs/pileup2.png");
/*TMultiGraph *mg2 = new TMultiGraph();
TCanvas *cEval2 = new TCanvas("cEval2","Graph2",800,400);
TH2F *hpx2 = new TH2F("hpx","MPV of response vs. ieta",10,-26.5,26.5,10,0.9,1.61);
hpx2->SetStats(kFALSE); // no statistics
hpx2->GetXaxis()->SetTitle("ieta");
hpx2->GetYaxis()->SetTitle("eHcal/(p - eEcal)");
hpx2->Draw();
TGraph* grNoPU2 = new TGraph(60,num,r_noPU);
grNoPU2->SetMarkerColor(kBlack);
grNoPU2->SetMarkerSize(0.75);
grNoPU2->SetMarkerStyle(20);
grNoPU2->SetPoint(0, -5, 1.54);
mg2->Add(grNoPU2);
TGraph* grRegr2 = new TGraph(60,num,R_regr_fit);
grRegr2->SetMarkerColor(kRed);
grRegr2->SetMarkerSize(0.75);
grRegr2->SetMarkerStyle(21);
grRegr2->SetPoint(0, -5, 1.49);
mg2->Add(grRegr2);
TGraph* grPU2 = new TGraph(60,num,R_PU_fit);
grPU2->SetMarkerColor(kSpring);
grPU2->SetMarkerSize(0.75);
grPU2->SetMarkerStyle(22);
grPU2->SetPoint(0, -5, 1.44);
mg2->Add(grPU2);
TGraph* grCorr = new TGraph(60,num,R_corr);
grCorr->SetMarkerColor(kBlue);
grCorr->SetMarkerSize(0.75);
grCorr->SetMarkerStyle(23);
grCorr->SetPoint(0, -5, 1.39);
mg2->Add(grCorr);
TLatex *t2 = new TLatex();
t2->SetTextFont(62);
t2->SetTextSize(0.04);
t2->SetTextAlign(12);
t2->SetTextColor(kBlack);
t2->DrawLatex(-4, 1.54, "noPU");
t2->SetTextColor(kRed);
t2->DrawLatex(-4, 1.49, "PU regr");
t2->SetTextColor(kSpring);
t2->DrawLatex(-4, 1.44, "PU");
t2->SetTextColor(kBlue);
t2->DrawLatex(-4, 1.39, "PU corr");
mg2->Draw("P");
cEval2->SaveAs("graphs/evaluationGraphSigDifN3_2.gif");*/
}