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testDAgostiniPriorUnfold.C
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#include "/home/j550c590/tdrstyle.C"
#include "DAgostiniUnfold.h"
#include "/home/j550c590/CMSSW_7_5_8_patch2/src/HeavyIonsAnalysis/EbyEAnalysis/interface/differentailBinning.h"
#include "/home/j550c590/CMSSW_7_5_8_patch2/src/HeavyIonsAnalysis/EbyEAnalysis/macros/unfolding/RooUnfold/src/RooUnfoldResponse.h"
#include "/home/j550c590/CMSSW_7_5_8_patch2/src/HeavyIonsAnalysis/EbyEAnalysis/macros/unfolding/RooUnfold/src/RooUnfoldBayes.h"
#include "/home/j550c590/CMSSW_7_5_8_patch2/src/HeavyIonsAnalysis/EbyEAnalysis/macros/unfolding/RooUnfold/src/RooUnfold.h"
#include "TLine.h"
#include "TH1D.h"
#include "TH2D.h"
#include "TLegend.h"
#include "TLatex.h"
#include "TFile.h"
#include "TCanvas.h"
void testDAgostiniPriorUnfold(){
bool validate = 1;
bool dosys = 0;
int ptBin = 0;
int centBin = 1;
int VN = 2;
static const int NITER = 4;
static const int iter[] = {1, 2, 4, 8, 16, 32, 64, 128};
int col[] = {kOrange-2, kGreen+3, kCyan, kMagenta, kViolet-1, kBlue, kRed, kGray+2};
setTDRStyle();
TLatex latex;
latex.SetNDC();
TFile * fMC = new TFile( Form("/rfs/jcastle/PbPb2015/mimicDataMC/cent%i-%i/pt%.2f-%.2f/MCTree.root", cent_min[centBin], cent_max[centBin], pt_min[ptBin], pt_max[ptBin]) );
TFile * fData = new TFile( Form("/rfs/jcastle/PbPb2015/mimicDataMC/cent%i-%i/pt%.2f-%.2f/CastleEbyE.root", cent_min[centBin], cent_max[centBin], pt_min[ptBin], pt_max[ptBin]) );
//-- CastleEbyE.root data members
static const int NVn = 7;
TH1D * hVnFull[NVn][NCENT_PBPB];
TH2D * hResp[NVn][NCENT_PBPB];
//-- Unfolding data
TH2D * hresp[NCENT];
TH1D * h1D[NCENT];
TH1D * hTrue[NCENT];
TH1D * hreco1[NCENT][NITER];
TH1D * hreco1_RU[NCENT][NITER];
TH1D * hratio_ME[NCENT][NITER];
TH1D * hratio_RU[NCENT][NITER];
RooUnfoldResponse * RUresp[NCENT];
RooUnfoldBayes * RUBayes[NCENT][NITER];
TLine * line = new TLine(0., 1., v2Max[ptBin][centBin], 1.);
line->SetLineColor(2);
line->SetLineStyle(2);
line->SetLineWidth(2);
TLegend * leg[NCENT][NITER];
TCanvas * cIter[NCENT][NITER];
//-- Get DATA
for(int ivn = 1; ivn <=4; ivn++){
if(ivn != VN) continue;
for(int icent = 0; icent < NCENT_PBPB; icent++){
if(icent == NCENT40_cutoff) break;
hVnFull[ivn][icent] = (TH1D*) fData->Get(Form("qwebye/hVnFull_%i_%i",ivn,icent));
hResp[ivn][icent] = (TH2D*) fData->Get(Form("qwebye/hResp_%i_%i",ivn,icent));
}
}
//-- Condense from 2.5 to 10% cent binning
for(int c = 0; c < NCENT; c++){
if(c != centBin) continue;
std::cout<<"!! Processing Cent = "<<c<<std::endl;
//-- True distribution
hTrue[c] = (TH1D*) fMC->Get("ebyeana/hV2True");
hTrue[c]->SetLineColor(1);
hTrue[c]->SetMarkerColor(1);
hTrue[c]->SetMarkerStyle(21);
//-- Observed distribution
h1D[c] = (TH1D*)hVnFull[VN][4*c]->Clone(Form("h1D_%i_%i", VN, c));
h1D[c]->Add(hVnFull[VN][4*c+1]);
h1D[c]->Add(hVnFull[VN][4*c+2]);
h1D[c]->Add(hVnFull[VN][4*c+3]);
//-- Response matrix
hresp[c] = (TH2D*) hResp[VN][4*c]->Clone(Form("hresp_%i_%i", VN, c));
hresp[c]->SetOption("colz");
hresp[c]->Add(hResp[VN][4*c+1]);
hresp[c]->Add(hResp[VN][4*c+2]);
hresp[c]->Add(hResp[VN][4*c+3]);
RUresp[c] = new RooUnfoldResponse(0, 0, hresp[c], Form("response_%i_%i", VN, c));
for(int i = 0; i<NITER; i++){
if( !validate && i > 0 ) break;
hreco1[c][i] = 0;
hreco1_RU[c][i] = 0;
DAgostiniUnfold * unfolder = new DAgostiniUnfold(hresp[c]);
if(dosys) unfolder->DoSystematics();
unfolder->Unfold(h1D[c], iter[i], hTrue[c]);
hreco1[c][i] = (TH1D*) unfolder->GetHReco( Form("hreco1_%ci_iter%i", c, iter[i]) );
hreco1[c][i]->GetXaxis()->SetTitle("v_{2}");
hreco1[c][i]->GetYaxis()->SetTitle("Events");
hreco1[c][i]->SetLineColor(col[i]);
hreco1[c][i]->SetMarkerColor(col[i]);
hreco1[c][i]->SetMarkerStyle(20);
delete unfolder;
RUBayes[c][i] = new RooUnfoldBayes(RUresp[c], h1D[c], iter[i]);
hreco1_RU[c][i] = (TH1D*) RUBayes[c][i]->Hreco();
hreco1_RU[c][i]->GetXaxis()->SetTitle("v_{2}");
hreco1_RU[c][i]->GetYaxis()->SetTitle("Events");
hreco1_RU[c][i]->SetLineColor(col[i+4]);
hreco1_RU[c][i]->SetMarkerColor(col[i+4]);
hreco1_RU[c][i]->SetMarkerStyle(24);
hratio_ME[c][i] = (TH1D*) hreco1[c][i]->Clone( Form("ratio_ME%i", i ) );
hratio_ME[c][i]->Divide( hTrue[c] );
hratio_ME[c][i]->GetXaxis()->SetTitle("v_{2}");
hratio_ME[c][i]->GetYaxis()->SetTitle("Ratio");
hratio_RU[c][i] = (TH1D*) hreco1_RU[c][i]->Clone( Form("ratio_RU%i", i ) );
hratio_RU[c][i]->Divide( hTrue[c] );
hratio_RU[c][i]->GetXaxis()->SetTitle("v_{2}");
hratio_RU[c][i]->GetYaxis()->SetTitle("Ratio");
leg[c][i] = new TLegend(0.7, 0.7, 0.9, 0.9);
leg[c][i]->SetFillStyle(0);
leg[c][i]->SetBorderSize(0);
leg[c][i]->AddEntry(hTrue[c], "MC Truth", "lp");
leg[c][i]->AddEntry(hratio_ME[c][i], "CastleUnfold", "lp");
leg[c][i]->AddEntry(hratio_RU[c][i], "RooUnfold", "lp");
/*
TH1D * hratioErr = (TH1D*) hratio->Clone("hratioErr");
hratioErr->Reset();
hratioErr->GetXaxis()->SetTitle("v_{2}");
hratioErr->GetYaxis()->SetTitle("Error Bar Ratio");
hratioErr->SetLineWidth(3);
for(int i = 1; i <= hratio->GetNbinsX(); i++){
double myErr = hreco1[centBin]->GetBinError(i);
double ruErr = hreco1_RU[centBin]->GetBinError(i);
if(ruErr == 0) continue;
double ratio = myErr/ruErr;
hratioErr->SetBinContent(i, ratio);
}
*/
cIter[c][i] = new TCanvas( Form("citer_c%i_iter%i", c, iter[i]), Form("citer_c%i_iter%i", c, iter[i]), 500, 1000);
cIter[c][i]->Divide(1,2);
cIter[c][i]->cd(1);
cIter[c][i]->cd(1)->SetLogy();
hTrue[c]->Draw();
hreco1[c][i]->Draw("same");
hreco1_RU[c][i]->Draw("same");
leg[c][i]->Draw("same");
latex.DrawLatex(0.2, 0.22, Form("N_{iter} = %i", iter[i]) );
cIter[c][i]->cd(2);
hratio_ME[c][i]->Draw();
hratio_RU[c][i]->Draw("same");
cIter[c][i]->SaveAs( Form("plots/citerPrior_c%i_iter%i.png", c, iter[i]) );
} //-- End iter loop
} //-- End cent loop
/*
TCanvas * c = new TCanvas("c","c", 500, 1000);
c->Divide(1,2);
c->cd(1);
c->cd(1)->SetLogy();
hreco1[centBin]->Draw();
hreco1_RU[centBin]->Draw("same");
c->cd(2);
hratio->Draw();
line->Draw("same");
TCanvas * cc = new TCanvas("cc","cc",500, 500);
cc->cd();
hratioErr->Draw();
line->Draw("same");
*/
}