TGraphErrors plot(RooDataSet *dataset, TString alpha, TString constTerm){
TTree *tree = dataset2tree(dataset);
TH2F *hist = prof2d(tree, alpha, constTerm, "nll");
RooHistPdf *histPdf = nllToL(hist);
TTree *genTree = dataset2tree(histPdf->generate(*histPdf->getVariables(),1000000,kTRUE,kFALSE));
TGraphErrors graph = g(genTree);
delete tree;
delete hist;
delete histPdf;
delete genTree;
return graph;
}
TGraphErrors plot(TFile *f, TString alpha, TString constTerm){
RooStats::MarkovChain *chain = (RooStats::MarkovChain *)f->Get("_markov_chain");
TTree *tree = dataset2tree(chain->GetAsDataSet());
TH2F *hist = prof2d(tree, alpha, constTerm, "nll_MarkovChain_local_");
RooHistPdf *histPdf = nllToL(hist);
TTree *genTree = dataset2tree(histPdf->generate(*histPdf->getVariables(),1000000,kTRUE,kFALSE));
TGraphErrors graph = g(genTree);
delete tree;
delete hist;
delete histPdf;
delete genTree;
return graph;
}
void MakePlots(TString filename, TString energy="8TeV", TString lumi=""){
TString outDir=filename; outDir.ReplaceAll("fitres","img");
outDir="tmp/";
//std::map<TString, TH2F *> deltaNLL_map;
/*------------------------------ Plotto */
TCanvas *c = new TCanvas("c","c");
TFile f_in(filename, "read");
if(f_in.IsZombie()){
std::cerr << "File opening error: " << filename << std::endl;
return;
}
TList *KeyList = f_in.GetListOfKeys();
std::cout << KeyList->GetEntries() << std::endl;
for(int i =0; i < KeyList->GetEntries(); i++){
c->Clear();
TKey *key = (TKey *)KeyList->At(i);
if(TString(key->GetClassName())!="RooDataSet") continue;
RooDataSet *dataset = (RooDataSet *) key->ReadObj();
TString constTermName = dataset->GetName();
TString alphaName=constTermName; alphaName.ReplaceAll("constTerm","alpha");
TTree *tree = dataset2tree(dataset);
TGraphErrors bestFit_ = bestFit(tree, alphaName, constTermName);
TH2F *hist = prof2d(tree, alphaName, constTermName, "nll", "(12,-0.0005,0.0115,29,-0.0025,0.1425)",true);
// // deltaNLL_map.insert(std::pair <TString, TH2F *>(keyName,hist));
hist->SaveAs(outDir+"/deltaNLL-"+constTermName+".root");
hist->Draw("colz");
bestFit_.Draw("P same");
bestFit_.SetMarkerSize(2);
Int_t iBinX, iBinY;
Double_t x,y;
hist->GetBinWithContent2(0,iBinX,iBinY);
x= hist->GetXaxis()->GetBinCenter(iBinX);
y= hist->GetYaxis()->GetBinCenter(iBinY);
TGraph nllBestFit(1,&x,&y);
nllBestFit.SetMarkerStyle(3);
nllBestFit.SetMarkerColor(kRed);
TList* contour68 = contourFromTH2(hist, 0.68);
hist->Draw("colz");
hist->GetZaxis()->SetRangeUser(0,50);
bestFit_.Draw("P same");
nllBestFit.Draw("P same");
//contour68->Draw("same");
c->SaveAs(outDir+"/deltaNLL-"+constTermName+".png");
hist->SaveAs("tmp/hist-"+constTermName+".root");
nllBestFit.SaveAs("tmp/nllBestFit.root");
contour68->SaveAs("tmp/contour68.root");
delete hist;
hist = prof2d(tree, alphaName, constTermName, "nll", "(12,-0.0005,0.0115,29,-0.0025,0.1425)");
RooHistPdf *histPdf = nllToL(hist);
delete hist;
RooDataSet *gen_dataset=histPdf->generate(*histPdf->getVariables(),1000000,kTRUE,kFALSE);
TTree *genTree = dataset2tree(gen_dataset);
genTree->SaveAs("tmp/genTree-"+constTermName+".root");
delete gen_dataset;
delete histPdf;
TGraphErrors toyGraph = g(genTree, constTermName);
TGraphErrors bestFitGraph = g(tree,alphaName, constTermName);
TGraphErrors bestFitScanGraph = g(y, x);
delete genTree;
delete tree;
toyGraph.SetFillColor(kGreen);
toyGraph.SetLineColor(kBlue);
toyGraph.SetLineStyle(2);
bestFitGraph.SetLineColor(kBlack);
bestFitScanGraph.SetLineColor(kRed);
bestFitScanGraph.SetLineWidth(2);
TMultiGraph g_multi("multigraph","");
g_multi.Add(&toyGraph,"L3");
g_multi.Add(&toyGraph,"L");
g_multi.Add(&bestFitGraph, "L");
g_multi.Add(&bestFitScanGraph, "L");
g_multi.Draw("A");
c->Clear();
g_multi.Draw("A");
c->SaveAs(outDir+"/smearing_vs_energy-"+constTermName+".png");
// TPaveText *pv = new TPaveText(0.7,0.7,1, 0.8);
// TLegend *legend = new TLegend(0.7,0.8,0.95,0.92);
// legend->SetFillStyle(3001);
// legend->SetFillColor(1);
// legend->SetTextFont(22); // 132
// legend->SetTextSize(0.04); // l'ho preso mettendo i punti con l'editor e poi ho ricavato il valore con il metodo GetTextSize()
// // legend->SetFillColor(0); // colore di riempimento bianco
// legend->SetMargin(0.4); // percentuale della larghezza del simbolo
// SetLegendStyle(legend);
//Plot(c, data,mc,mcSmeared,legend, region, filename, energy, lumi);
}
f_in.Close();
return;
}