Example #1
0
File: calcEcc.C Project: XuQiao/HI
double  Getmean(TString sys1, TString sys2, float cent1, float cent2){

  gROOT->SetStyle("Plain");
  TFile *infile = TFile::Open(Form("glau_%s%s_ntuple_1M.root",sys1.Data(),sys2.Data()));
  infile->cd();
  TH2F *pEcc2B = new TH2F("pEcc2B","#epsilon_{2} vs impact paramter in 200 GeV Collisions from Glauber MC;B;#epsilon_{n}",25200,-0.5,251.5,100,0,1);
  if(sys2.Contains("smeared")){
  TNtuple *nt = (TNtuple*)infile->Get("nt");
  nt->Project("pEcc2B","Ecc3G:B");
  }
  else{
  TNtuple *nt = (TNtuple*)infile->Get(Form("nt_%s_%s",sys1.Data(),sys2.Data()));
  nt->Project("pEcc2B","Ecc2:B");
  }
  TH1D* hB = (TH1D*)pEcc2B->ProjectionX("hB",0,-1);
  for(int ibin=0;ibin<hB->GetNbinsX();ibin++){
      if(hB->Integral(0,ibin) >= cent1 /100. * hB->Integral()){ int bin1 = ibin; break;}
  }
  for(int ibin=0;ibin<hB->GetNbinsX();ibin++){
      if(hB->Integral(0,ibin) >= cent2 /100. * hB->Integral()){ int bin2 = ibin; break;}
  }
  cout<< bin1 << "\t" << bin2 << endl;
  TH1D* hEcc2 = (TH1D*)pEcc2B->ProjectionY("hEcc2",bin1,bin2);
//  hEcc2->Draw();
  cout << hEcc2 -> GetEntries() << endl;
  double mean = hEcc2->GetMean();
  return mean;
}
void createSysStatErrorHist(TH1D *hist_pre){

  TH1D *histErr = (TH1D*) hist_pre->Clone("histErr");
  hsyserr = (TH1D*) hist_pre->Clone("hsyserr"), hsyserr->Reset();
  hsyserr->Sumw2();

  cout<<""<<endl;
  for(int i=0;i<histErr->GetNbinsX();i++){ // last bin is meaningless
    double pt = histErr->GetBinCenter(i+1);
    double statferr = histErr->GetBinError(i+1)/histErr->GetBinContent(i+1);
    if(i==(histErr->GetNbinsX()-1)) statferr = 0.9;
    //double sysferr = fsyserr->Eval(pt);
    double sysferr = returnCombinedSysError(pt);
    double sumferr = sqrt(statferr*statferr + sysferr*sysferr);
    //double sumerr = 1.*(sumferr/100);
    double sumerr = 1.*sumferr;
    hsyserr->SetBinContent(i+1,1);
    hsyserr->SetBinError(i+1,sumerr);
    //hsyserr->SetBinError(i+1,0.5); 
    cout<<"[setSysStatError] stat err (frac): "<<statferr<<" syst err (fac): "<<sysferr<<" combined (frac): "<<sumferr<<endl;
  }

  //tsyserr = (TGraphErrors*) TgraphIt(hsyserr);

}
Example #3
0
void loglikdistrib(Int_t ntrials = 10000, Bool_t print = kFALSE)
{
  // compute distribution of log likelihood value
  TH1D * hmc   = gStack[gPadNr][gOrder[gPadNr][0]];
  TH1D * hdata = gStack[gPadNr][gMaxProcess-1];
  Int_t nbins = hmc->GetNbinsX();
  Double_t loglik = loglikelihood(hmc, hdata, 1, nbins);
  TH1D * htest = new TH1D(*hdata);
  TH1D * lldistrib = new TH1D("lldistrib", "log(Likelihood) distribution", 
			      1000, loglik-200, loglik+200);
  setopt(lldistrib);
  for (Int_t n = 0; n < ntrials; n++) {
    // generate poisson around theorie
    for (Int_t i = 1; i <= nbins; i++) {
      htest->SetBinContent(i, gRandom->Poisson(hmc->GetBinContent(i)));
    }
    lldistrib->Fill(loglikelihood(hmc, htest, 1, nbins));
  }
  TCanvas * llcanvas = new TCanvas("llcanvas", "Log(Likelihood) distribution", 
				   40, 40, 800, 600);
  setopt(llcanvas);
  lldistrib->SetFillColor(kYellow);
  lldistrib->Draw();
  lldistrib->GetYaxis()->SetTitle("Anzahl Ereignisse");
  lldistrib->GetXaxis()->SetTitle("-ln L");
  // autozoom
  Int_t lowbin = 1;
  while (lldistrib->GetBinContent(lowbin) == 0)
    lowbin++;
  Int_t highbin = lldistrib->GetNbinsX();
  while (lldistrib->GetBinContent(highbin) == 0)
    highbin--;
  lldistrib->SetAxisRange(lldistrib->GetBinLowEdge(lowbin), 
			  lldistrib->GetBinLowEdge(highbin));
  TH1D * hworse = (TH1D *) lldistrib->Clone();
  for (Int_t nbin = 1; nbin < 501; nbin++) {
    hworse->SetBinContent(nbin, 0);
  }
  hworse->SetFillColor(95);
  hworse->Draw("same");
  Double_t pvalue = lldistrib->Integral(501,1000) / lldistrib->Integral();
  TLatex * tex = new TLatex(0.18, 0.96, Form("-ln L_{obs} = %5.2f", loglik));
  tex->SetNDC();
  tex->SetTextAlign(13);
  tex->Draw();
  tex = new TLatex(0.18, 0.86, Form("CL_{obs} = %.3f", pvalue));
  tex->SetNDC();
  tex->SetTextAlign(13);
  tex->Draw();
  TLine * l = new TLine(loglik, 0, loglik, lldistrib->GetMaximum());
  l->SetLineWidth(3);
  l->SetLineColor(kBlue);
  l->Draw();
  llcanvas->Modified();
  llcanvas->Update();
  if (print)
    llcanvas->Print("lldistrib.pdf");
  cd(gPadNr+1);
}
Example #4
0
void takeDirectlyFromMC(TFile* fin, TFile* fout, TString gentype) {

  TList* listOfDirs = fin->GetListOfKeys();
  for (auto k : *listOfDirs) {
    TString srname = k->GetName();
    if (!srname.Contains("sr")) continue;
    if (srname.Contains("base") || srname.Contains("incl") || srname.Contains("sb")) continue;
    if (gentype == "_1lepW" && !srname.EndsWith("2") && !srname.EndsWith("3")) continue;

    auto indir = (TDirectoryFile*) fin->Get(srname);
    auto outdir = (TDirectory*) fout->mkdir(srname);
    auto hlist = indir->GetListOfKeys();

    for (auto h : *hlist) {
      TString hname = h->GetName();
      if (!hname.BeginsWith("h_metbins" + gentype)) continue;
      TH1D* hin = (TH1D*) indir->Get(hname);
      outdir->cd();
      TH1D* hout = (TH1D*) hin->Clone(TString(hname).ReplaceAll(gentype, ""));
      for (int i = 1; i <= hout->GetNbinsX(); ++i) {
        // zero out negative yields
        if (hout->GetBinContent(i) < 0) {
          hout->SetBinContent(i, 0);
          hout->SetBinError(i, 0);
        }
      }
      hout->Write();

      if (yearSeparateSyst && (hname.EndsWith("Up") || hname.EndsWith("Dn"))) {
        for (int i = 1; i < 4; ++i) {
          TH1D* hcen_yi = (TH1D*) fbkgs[i]->Get(srname+"/h_metbins"+gentype);
          TH1D* hsys_yi = (TH1D*) fbkgs[i]->Get(srname+"/"+hname);
          if (hsys_yi && !hcen_yi) {
            cout << "Find " << srname+"/"+hname << " from " << fbkgs[i]->GetName() << " but not hcen " << srname+"/h_metbins"+gentype << " Should not happen?" << endl;
          }
          TH1D* hout_yi = (TH1D*) fin->Get(srname+"/h_metbins"+gentype)->Clone(TString(hname).Insert(hname.Length()-2, Form("%d", 15+i)).ReplaceAll(gentype, ""));
          if (hcen_yi) hout_yi->Add(hcen_yi, -1);
          if (hsys_yi) hout_yi->Add(hsys_yi);
          hout_yi->Write();
        }
      }
    }
    if (!outdir->Get("h_metbins")) {
      cout << "Didn't find yield hist for " << gentype << " in " << fin->GetName() << ":" << srname << "/. Faking a 0 one!" << endl;
      outdir->cd();
      // Get the MET binning from h_metbins, which shall always exist, and then set all bins to 0
      TH1D* hout = (TH1D*) fin->Get(srname + "/h_metbins")->Clone("h_metbins");
      for (int i = 1; i <= hout->GetNbinsX(); ++i) {
        hout->SetBinContent(i, 0);
        hout->SetBinError(i, 0);
      }
      hout->Write();
    }
  }
}
Example #5
0
TH1D GetSOverSqrtB(TH1D sig, TH1D back){
  if(sig.GetNbinsX()!=back.GetNbinsX()) return sig;
  sig.GetYaxis()->SetTitle("S/#sqrt{B}");
  for(int i(1); i<=sig.GetNbinsX(); ++i){
    if(back.GetBinContent(i)>0.0 && sig.GetBinContent(i)>0.0){
      sig.SetBinContent(i,sig.GetBinContent(i)/sqrt(back.GetBinContent(i)));
    }else{
      sig.SetBinContent(i,0.0);
    }
  }
  return sig;
}
Example #6
0
TH1D* getQCD(int rebinFact){
	TString dir = "rootFiles/";
	
	TFile* file = new TFile(dir +"qcdest.root");		
	TH1D* plot = (TH1D*) file->Get("muon_AbsEta_0btag");

// 	for(int i = 1; i <= plot->GetNbinsX(); i++){
// 	plot->SetBinError(i, 0.0);
// 	}

	plot->SetFillColor(kYellow);
	plot->SetLineColor(kYellow);
	plot->SetMarkerStyle(1);
		
	TH1D* copyplot = new TH1D("qcd plot", "qcd plot", 30, 0.0, 3.0);
	
	for(int i = 1; i <= plot->GetNbinsX(); i++){
	copyplot->SetBinContent(i, plot->GetBinContent(i));
	//copyplot->SetBinError(i, plot->GetBinError(i));
	}
	copyplot->SetFillColor(kYellow);
	copyplot->SetLineColor(kYellow);
	copyplot->SetMarkerStyle(1);
	copyplot->Scale(1./copyplot->Integral());	
	copyplot->Rebin(rebinFact);
	
	//file->Close("R");
	return copyplot;
	//file->Close();
}
Example #7
0
void QinvKstar (const char* filename, const char* histname) {

	TFile*  fileIn = new TFile(filename,"update");
	TH1D* hist = (TH1D*)fileIn->Get(histname);
	TH1D* histnew = new TH1D(Form("kstar_%s",histname),"",hist->GetNbinsX(),0,0.25);//(TH1D*)fileIn->Get(histname);

//   for (int ibins = 1; ibins <= hist->GetNbinsX()*2; ibins++ ) {
//     hist->SetBinContent(ibins, hist->GetBinContent(ibins));
//     //    hist->SetBinContent(ibins, hist->GetBinContent(ibins));
//   }

	int bin=2;//1

	for (double kstar = 0.00375; kstar <= 0.25; kstar += 0.0025 ) {

//	for (double kstar = 0.00375; kstar <= 0.25; kstar += 0.0025 ) {
		//  for (double kstar = 0.005; kstar <= 0.25; kstar += 0.01 ) {
		//        hist->Fill(kstar,hist->GetBinContent(hist->FindBin(kstar*2)));

		histnew->SetBinContent(bin,hist->GetBinContent(hist->FindFixBin(kstar*2)));
		histnew->SetBinError(bin++,hist->GetBinError(hist->FindFixBin(kstar*2)));

		//    hist->SetBinContent(ibins, hist->GetBinContent(ibins));
		//    hist->SetBinContent(ibins, hist->GetBinContent(ibins));
	}

	TFile* fileOut = new TFile(Form("kstar_%s",filename), "update");
	hist->Write();
	histnew->Write();
}
Example #8
0
// Merge same modes
int dmMerge(TObject *a1, TObject *b1,TList *keys)
{
	TDecayMode *a=(TDecayMode*)a1;
	TDecayMode *b=(TDecayMode*)b1;
	TIter  nexthist(keys);
	TKey  *key_hist=0;
	while(key_hist=(TKey*)nexthist())
	{
		int cycle=-10;
		if(strcmp(key_hist->GetClassName(),"TH1D")==0)
		{
			TH1D  *h=0;
			int cycleh=key_hist->GetCycle();
			if(cycleh<cycle) { cout<<"Skipping..."<<endl; continue; }
			if(cycle<cycleh) cycle=cycleh;
			h=(TH1D*)key_hist->ReadObj();
			if(!h)
			{
				cout<<"Cannot read: "<<key_hist->GetName()<<endl;
				exit(-2);
			}
			TH1D *eh = (TH1D*) a->histograms->FindObject(h->GetName());
			if(!eh) continue;
			if(eh->GetNbinsX()!=h->GetNbinsX() ||
			   eh->GetXaxis()->GetXmax()!=h->GetXaxis()->GetXmax())
			   return -1;
			eh->Add(h);
		}
	}
        a->SetNEntries(a->GetNEntries()+b->GetNEntries());
        a->SetSumw(a->GetSumw()+b->GetSumw());
        a->SetSumw2(a->GetSumw2()+b->GetSumw2());
	return 0;
}
std::pair<float,float> getFitRange(TH1D& hist) {
  int maxBin = hist.GetMaximumBin();
  float targetVal = hist.GetBinContent( maxBin ) /2.;


  int nBins = hist.GetNbinsX();
  
  std::pair<float,float> results = {hist.GetBinLowEdge(1),hist.GetBinLowEdge(nBins+1)};

  int diff=0;
  while( maxBin-(++diff) >0) {
    if( hist.GetBinContent(maxBin-diff) < targetVal ){
      results.first = hist.GetBinCenter(maxBin-diff);
      break;
    }
  }

  diff=0;
  while( maxBin+(++diff) <=nBins) {
    if( hist.GetBinContent(maxBin+diff) < targetVal ){
      results.second = hist.GetBinCenter(maxBin+diff);
      break;
    }
  }
  
  
  return results;
}
void getStatPowerLoss() {

  TFile* mc = TFile::Open("MyMCPileupHistogram.root");
  TH1D* hmc = (TH1D*) mc->Get("pileup");
  
  TFile* wgt = TFile::Open("MyRatioPileupHistogram.root");
  TH1D* hwgt = (TH1D*) wgt->Get("pileup");
  
  double old_sumx = 0;
  double old_sumx2 = 0;
  double new_sumx = 0;
  double new_sumx2 = 0;
  for (int i=0; i<=hmc->GetNbinsX()+1; i++) {
    double val = hmc->GetBinContent(i);
    double factor = hwgt->GetBinContent(i);
    old_sumx += val;
    old_sumx2 += val*val;
    
    new_sumx += val*factor;
    new_sumx2 += val*factor*val*factor;
  }
  
  double old_stat = old_sumx*old_sumx/old_sumx2;
  double new_stat = new_sumx*new_sumx/new_sumx2;

  double loss = 1-new_stat/old_stat;
  
  cout << "The fractional loss in statistical power is " << std::setprecision(4) << loss*100 << "%" << endl;

  mc->Close();
  wgt->Close();
}
Example #11
0
Double_t fTH1toTF1(Double_t *x, Double_t *par)
{
	Double_t g4  = x[0];          // -> g^4 value
	Int_t    mll = (Int_t)par[0]; // -> dilepton invariant mass bin number
	
	TH2D* h2 = (TH2D*)h2Template->Clone();
	TH1D* hTmp = (TH1D*)TH2toTH1(h2,mll); // TH1 histogram of g^4 in the dilepton mass bin number mll
	
	Int_t nbinsx = hTmp->GetNbinsX();
	Double_t xval = -999.;
	if(doInterpolation)
	{
		Int_t bin = hTmp->FindBin(g4);
		
		if(bin==0 || bin==1)   xval = hTmp->GetBinContent(1);     // cannot interpolate on the first bin or the underflow
		else if(bin==nbinsx+1) xval = hTmp->GetBinContent(bin-1); // cannot interpolate on the last bin or the overflow
		else if(bin==nbinsx)   xval = hTmp->GetBinContent(bin);   // cannot interpolate on the last bin or the overflow
		else                   xval = hTmp->Interpolate(g4);      // interpolated dN/dg^4 at g^4, between the 2 adjacent bin centers
	}
	else
	{
		Int_t bin = hTmp->FindBin(g4);
		if(bin==nbinsx+1) xval = hTmp->GetBinContent(bin-1); // overflow 
		else if(bin==0)   xval = hTmp->GetBinContent(1);     // underflow
		else              xval = hTmp->GetBinContent(bin);   // normal
	}
	delete h2;
	delete hTmp;
	return xval;
}
Example #12
0
/** Personalized
build a TGraphError starting from a TH1F
*/
TGraphErrors buildGEfromH_Personalized (const TH1D & histo) 
{
 TVectorF xV(histo.GetNbinsX());
 TVectorF yV(histo.GetNbinsX());
 TVectorF errxV(histo.GetNbinsX());
 TVectorF erryV(histo.GetNbinsX());
 for (int iBin = 0; iBin<histo.GetNbinsX(); iBin++){
  xV[iBin] = histo.GetBinCenter(iBin);
  yV[iBin] = histo.GetBinContent(iBin);
  errxV[iBin] = 0;
//   histo.GetBinWidth(iBin);
  erryV[iBin] = histo.GetBinError(iBin);
 }  
 TGraphErrors g (xV, yV, errxV, erryV) ;
 return g ;
}
void  makeGaussianSignals(SigData_t& m_sigdata)
{
  //std::vector<TH1D *> vgsh(NUMCHAN);
  std::vector<TH1D *> vcdfh(NUMCHAN);

  if( m_sigdata.find("gs") == m_sigdata.end() ) {
    cerr << "Gaussian signal data not found, not making CDF signal!" << endl;
    return;
  }

  for (int ichan=0; ichan<NUMCHAN; ichan++) {
    TH1D *cdfh;

    TString channame(channames[ichan]);
    TString name;

    TH1D * gsh = m_sigdata["gs"].at(ichan);

    assert(gsh) ;

#if 0
    name = "Signalgs_"+channame;
    gsh = (TH1D *)tch->Clone(name.Data());

    assert(gsh);

    gsh->SetTitle("Gaussian signal");
    
    gsh->Reset();

    TF1 *g = (TF1 *)gROOT->GetFunction("gaus");
    g->SetParameters(1,gaussian_mean_mass_gev,gaussian_mass_sigma_gev);
    gsh->FillRandom("gaus",100000);

    // norm to 1pb signal with 1/fb integrated luminosity
    double norm = 1000 * gseffxacc[ichan]/gsh->Integral(0,gsh->GetNbinsX()+1,"width");

    //gsh->Scale(norm/eff_fudgefactor); // kludge: pre-undo the fudge in the next module
    gsh->Scale(norm);

    vgsh[ichan] = gsh;
#endif

    // New CDF bump, same as Gauss but set to CDF (obs/theor)*(LHC theor) = 3.43pb
    cdfh = (TH1D *)gsh->Clone("CDFbump");

    cdfh->Scale(3.43);

    vcdfh[ichan] = cdfh;

    cdfh->Draw();

    gsh->Draw("same");

  } // channel loop

  //m_sigdata["gs"]  = vgsh;
  m_sigdata["cdf"] = vcdfh;
}                                                           // makeGaussianSignals
Example #14
0
void Normalize(TH1D &h, double normalization, bool norm_per_avg_width) {
    int nbins = h.GetNbinsX();
    double low = h.GetBinLowEdge(1);
    double high = h.GetBinLowEdge(nbins+1);
    double width = (high-low)/nbins;
    if(norm_per_avg_width) normalization *= width;
    double integral = h.Integral("width");
    h.Scale(normalization/integral);
}
Example #15
0
// Draw 1D histos
TH1D *plot1Dhisto(double intLumi,TFile *fileName,TString folderName,TString histoName,int color,int rebin,float xMin,float xMax,TString xName, TString yName,TString sampleName,bool mc) {  
  
  TH1D *hTemp = (TH1D*)fileName->Get(folderName+"/"+histoName);
  hTemp->SetName(histoName+"_"+sampleName);
  if (mc){ 
    hTemp->Scale(intLumi/100.);
  }
  hTemp->Rebin(rebin);
  hTemp->SetLineColor(color);
  hTemp->SetLineWidth(5);
  hTemp->GetXaxis()->SetRangeUser(xMin,xMax);
  hTemp->GetXaxis()->SetTitle(xName);
  hTemp->GetXaxis()->SetTitleSize(0.06);
  hTemp->GetXaxis()->SetLabelSize(0.06);
  hTemp->GetYaxis()->SetTitle(yName);
  hTemp->GetYaxis()->SetTitleSize(0.06);
  hTemp->GetYaxis()->SetLabelSize(0.06);
  hTemp->SetTitleOffset(1.5, "Y");
  // last/first bin: put over/underflow
  hTemp->SetBinContent(hTemp->FindBin(xMax),hTemp->Integral(hTemp->FindBin(xMax),hTemp->GetNbinsX()+1));
  hTemp->SetBinContent(hTemp->FindBin(xMin),hTemp->Integral(-1,hTemp->FindBin(xMin)));  

  hTemp->SetBinError(hTemp->FindBin(xMax),sqrt(hTemp->Integral(hTemp->FindBin(xMax),hTemp->GetNbinsX()+1)));
  hTemp->SetBinError(hTemp->FindBin(xMin),sqrt(hTemp->Integral(-1,hTemp->FindBin(xMin))));
  //fileName->Close();

  /*
  if (histoName != "LP_tot") {
    if (histoName != "SumLepPt_tot") {
      if ((folderName == "ANplots150_NOLP")) { hTemp->GetXaxis()->SetRangeUser(0.,300.); } 
      if ((folderName == "ANplots250_NOLP")) { hTemp->GetXaxis()->SetRangeUser(0.,400.); }
      if ((folderName == "ANplots350_NOLP")) { hTemp->GetXaxis()->SetRangeUser(0.,500.); }
      if ((folderName == "ANplots450_NOLP")) { hTemp->GetXaxis()->SetRangeUser(0.,1000.); }
    }
    else {
      if ((folderName == "ANplots150_NOLP")) { hTemp->GetXaxis()->SetRangeUser(100.,300.); } 
      if ((folderName == "ANplots250_NOLP")) { hTemp->GetXaxis()->SetRangeUser(200.,400.); }
      if ((folderName == "ANplots350_NOLP")) { hTemp->GetXaxis()->SetRangeUser(300.,500.); }
      if ((folderName == "ANplots450_NOLP")) { hTemp->GetXaxis()->SetRangeUser(400.,1000.); }
    }
  } 
  */ 
  return hTemp;
} // ~ end of plot1Dhisto function
TH1D* Prediction::GetScaledHisto(TH1D* histo, float scale_fact, float scale_fact_err){
	// takes histo, scale factor and uncertainty on scale factor
	// and returns scaled and rebinned histo with 1 bin with uncertainty on scale factor propagated.
	TH1D *h        = (TH1D*) histo->Clone(histo->GetName());
	h->Rebin(h->GetNbinsX());
	h->SetBinError(1, sqrt(h->GetBinError(1)*  h->GetBinError(1)   *scale_fact    *scale_fact + 
			  h->GetBinContent(1)*h->GetBinContent(1) *scale_fact_err*scale_fact_err));
	h->SetBinContent(1, h->GetBinContent(1)*scale_fact);
	return h;
}
Example #17
0
// Called just after the main event loop
// Can be used to write things out, dump a summary etc
// Return non-zero to indicate a problem
int TemplateCreator::AfterLastEntry(TGlobalData* gData, const TSetupData* setup){

  // Print extra info if we're debugging this module:
  if(Debug()){
     cout<<"-----I'm debugging TemplateCreator::AfterLastEntry()"<<endl;
  }

  // Print to stdout the percentage of successful fit for each channel
  StringPulseIslandMap::const_iterator it;
  for(it = gData->fPulseIslandToChannelMap.begin(); it != gData->fPulseIslandToChannelMap.end(); ++it){
    std::string bankname = it->first;
    std::string detname = setup->GetDetectorName(bankname);

    TH1D* hTemplate = fTemplates[detname];
    
    if (!hTemplate) { // if there's no template been created for this channel
      continue;
    }
    
    int& n_fit_attempts = fNFitAttempts[detname]; // number of pulses we try to fit to
    int& n_successful_fits = fNSuccessfulFits[detname];
    std::cout << "TemplateCreator: " << detname << ": " << n_fit_attempts << " fits attempted with " << n_successful_fits << " successful (" << ((double)n_successful_fits/(double)n_fit_attempts)*100 << "%)" << std::endl;

    // Normalise the template so that it has pedestal=0 and amplitude=1
    // Work out the pedestal of the template from the first 5 bins
    int n_bins_for_template_pedestal = 5;
    double total = 0;
    for (int iBin = 1; iBin <= n_bins_for_template_pedestal; ++iBin) {
      total += hTemplate->GetBinContent(iBin);
    }
    double template_pedestal = total / n_bins_for_template_pedestal;
    //    std::cout << detname << ": Template Pedestal = " << template_pedestal << std::endl;
   
    // Subtract off the pedesal
    for (int iBin = 1; iBin <= hTemplate->GetNbinsX(); ++iBin) {
      double old_value = hTemplate->GetBinContent(iBin);
      double new_value = old_value - template_pedestal;

      hTemplate->SetBinContent(iBin, new_value);
    }

    // Integrate over the histogram and scale to give an area of 1
    double integral = std::fabs(hTemplate->Integral()); // want the absolute value for the integral because of the negative polarity pulses
    hTemplate->Scale(1.0/integral);
    integral = std::fabs(hTemplate->Integral());

    // Save the template to the file
    fTemplateArchive->SaveTemplate(hTemplate);
  }

  // Clean up the template archive
  delete fTemplateArchive;

  return 0;
}
Example #18
0
void testIntegration(){
	
	
	
	TFile* infile = new TFile("/Users/keithlandry/Desktop/testPtHist.root");

	TH1D * h = infile->Get("Pt");
	
	
	int bmin = 751;
	int bmax = bmin+1;
	
  double binval = 0;
	int numberOfPairs = 0;
	
	cout << "starting at bmin = " << bmin << "  bmax = " << bmax << endl;
	
	cout << (double)h->GetEntries()/9.0 << endl;
	
	for (int i=0; i < h->GetNbinsX()-bmin; i++)
	{
		bmax++;

		cout << " i = " << i << " bmax = " << bmax << endl;
		
		int integ = h->Integral(bmin,bmax);
		
		cout << bmax << "   " << integ << endl;
		
		binval += h->GetBinContent(bmax)*h->GetBinCenter(bmax);
		numberOfPairs += h->GetBinContent(bmax);

		if (integ > (double)h->GetEntries()/9.0)
		{
			cout << bmax << "   " << integ << endl;
			lastI = i;
			break;
		}
		
		if (bmax == 1000)
		{
			break;
		}
		
		
	}
	
	
	cout << "avg val of bin " << (double)binval/numberOfPairs << endl;
	
	cout << " Pt = " << h->GetBinCenter(bmax) << endl;
	
	
	
}
Example #19
0
void FindMCToDataScaleFactor() {

  std::string data_filename = "~/data/out/v92/total.root";
  TFile* data_file = new TFile(data_filename.c_str(), "READ");
  std::string data_plotname = "TME_Al50_EvdE/all_particles/SiL_EvdE";
  TH2F* hEvdE_data = (TH2F*) data_file->Get(data_plotname.c_str());
  hEvdE_data->SetDirectory(0);
  data_file->Close();

  std::string MC_filename = "plots.root";
  TFile* MC_file = new TFile(MC_filename.c_str(), "READ");
  std::string MC_plotname = "hAll_EvdE_SiL";
  TH2F* hEvdE_MC = (TH2F*) MC_file->Get(MC_plotname.c_str());
  hEvdE_MC->SetDirectory(0);
  MC_file->Close();

  double energy_slice = 3000;
  int energy_slice_bin = hEvdE_data->GetXaxis()->FindBin(energy_slice);
  TH1D* hDataProjection = hEvdE_data->ProjectionY("_py", energy_slice_bin, energy_slice_bin);  
  energy_slice_bin = hEvdE_MC->GetXaxis()->FindBin(energy_slice);
  TH1D* hMCProjection = hEvdE_MC->ProjectionY("_py", energy_slice_bin, energy_slice_bin);

  TFitResultPtr data_fit_result = hDataProjection->Fit("gaus", "S");
  TFitResultPtr MC_fit_result = hMCProjection->Fit("gaus", "S");

  hDataProjection->SetLineColor(kBlack);
  hDataProjection->GetXaxis()->SetRangeUser(0, energy_slice);
  hDataProjection->Draw();
  hMCProjection->SetLineColor(kRed);
  hMCProjection->GetXaxis()->SetRangeUser(0, energy_slice);
  hMCProjection->Draw("SAME");

  //EvdE_data->Draw("COLZ");
  double data_mean = data_fit_result->Parameter(1);
  double MC_mean = MC_fit_result->Parameter(1);
  double scale_factor = data_mean / MC_mean;
  std::cout << "data / MC = " <<  data_mean << " / " << MC_mean << " = " << scale_factor << std::endl;

  // Go through the MC projection and scale each bin by the scale factor
  int n_bins = hMCProjection->GetNbinsX();
  double min_x = hMCProjection->GetXaxis()->GetXmin();
  double max_x = hMCProjection->GetXaxis()->GetXmax();
  TH1F* hMCProjection_scaled = new TH1F("hMCProjection_scaled", "", n_bins,min_x,max_x);

  for (int i_bin = 1; i_bin <= n_bins; ++i_bin) {
    double old_energy = hMCProjection->GetBinLowEdge(i_bin);
    double new_energy = old_energy * scale_factor;

    double old_bin_content = hMCProjection->GetBinContent(i_bin);
    hMCProjection_scaled->Fill(new_energy, old_bin_content);
  }

  hMCProjection_scaled->Draw();
  hDataProjection->Draw("SAME");
}
//################################################################################################################################
 // Get the 68% confindence interval of mu1/mu2
void getPoissonIntervalls(double mu1, double mu2){

  double result = mu1/mu2;
  TH1D *expHist = new TH1D("mu1/mu2","mu1/mu2",1000,0,1);
  TRandom3 rand1(0);
  TRandom3 rand2(0);

  cout<<"mu1 = "<<mu1<<endl;
  cout<<"mu2 = "<<mu2<<endl;
  cout<<"ratio = "<<result<<endl;

  for(int i=0; i<10000000; i++){

    expHist->Fill(1.*rand1.Poisson(mu1)/rand2.Poisson(mu2));
  }

  // Get now the 68% upper and lower interval
  double errUp  = 0;
  double errLow = 0;
  for(int i=1; i<=expHist->GetNbinsX();i++){

    double upperIntegral = expHist->Integral(i,expHist->GetNbinsX());
    double lowerIntegral = expHist->Integral(1,i);

    if(abs(upperIntegral/expHist->Integral()-0.32)<0.02){
      cout<<"upper bound = "<<expHist->GetBinCenter(i)<<endl;
      errUp = expHist->GetBinCenter(i)-result;
    }
    if(abs(lowerIntegral/expHist->Integral()-0.32)<0.02){
      cout<<"lower bound = "<<expHist->GetBinCenter(i)<<endl;
      errLow = result - expHist->GetBinCenter(i);
    }
  }


  cout<<"error Up = "<<errUp<<endl;
  cout<<"error Low = "<<errLow<<endl;

  TCanvas *c = new TCanvas("cExp","cExp",0,0,500,500);
  c->cd();
  expHist->Draw();
}    
TH1D* Prediction::GetScaledHisto(TH1D* histo, float scale_fact, float scale_fact_err, int ngroup){
	// takes histo, scale factor and uncertainty on scale factor
	// and returns scaled and rebinned histo with ngroup bins merged into 1 with uncertainty on scale factor propagated.
	if(ngroup>=histo->GetNbinsX()) ngroup=histo->GetNbinsX();
	TH1D *h        = (TH1D*) histo->Clone(histo->GetName());
	h->Rebin(ngroup);
	for(int i=1; i<=h->GetNbinsX(); ++i){
		h->SetBinError(i, sqrt(h->GetBinError(i)*  h->GetBinError(i)   *scale_fact    *scale_fact + 
				  h->GetBinContent(i)*h->GetBinContent(i) *scale_fact_err*scale_fact_err));
		h->SetBinContent(i, h->GetBinContent(i)*scale_fact);
	}
	return h;
}
Example #22
0
TH1D *
GetITSTPCSpectrum(TFile *file, Int_t part, Int_t charge, Int_t cent)
{
  TList *list = (TList *)file->Get("output");
  TH1D *hin = (TH1D *)list->FindObject(Form("h_%s_%s_cen_%d", ITSTPCPartName[part], ITSTPCChargeName[charge], cent + 1));
  if (!hin) return NULL;

  TH1D *h = new TH1D(Form("hITSTPC_cent%d_%s_%s", cent, AliPID::ParticleName(part), chargeName[charge]), "ITSTPC", NptBins, ptBin);
  Double_t pt, width, value, error;
  Int_t bin;
  for (Int_t ipt = 0; ipt < NptBins; ipt++) {
    /* get input bin */
    pt = h->GetBinCenter(ipt + 1);
    width = h->GetBinWidth(ipt + 1);
    bin = hin->FindBin(pt);
    /* sanity check */
    if (TMath::Abs(hin->GetBinCenter(bin) - pt) > 0.001 ||
	TMath::Abs(hin->GetBinWidth(bin) - width) > 0.001)
      continue;
    /* copy bin */
    value = hin->GetBinContent(bin);
    error = hin->GetBinError(bin);
    h->SetBinContent(ipt + 1, value);
    h->SetBinError(ipt + 1, error);
  }
  
#if 0
  /* add systematic error */
  Double_t sys;
  if (part == 2) sys = 0.5;
  else sys = 0.1;
  Double_t cont, conte;
  for (Int_t ipt = 0; ipt < h->GetNbinsX(); ipt++) {
    cont = h->GetBinContent(ipt + 1);
    conte = h->GetBinError(ipt + 1);
    conte = TMath::Sqrt(conte * conte + sys * sys * cont * cont);
    h->SetBinError(ipt + 1, conte);
  }
#endif
  
  h->SetTitle("ITSTPC");
  h->SetLineWidth(1);
  h->SetLineColor(1);
  h->SetMarkerStyle(21);
  h->SetMarkerColor(2);
  h->SetFillStyle(0);
  h->SetFillColor(0);
  return h;
}
Example #23
0
void Yield1S_1D(){
  
  TFile *f = new TFile("SigmaDATA_RapInt_3SBin.root");
  TH1D *H;
  H = (TH1D*)gFile->Get("hYield1S");
  double tot(0.); double totE(0.); 
  
  ofstream OUT("Yield_1S_1D.tex");
  OUT << "% ----------------------------------------------------------------------" << endl;
  OUT << "% -- Yields" << endl;
  for ( int x = 1; x <= H->GetNbinsX(); ++x ){
    OUT << Form("\\vdef{%iS_bin%iLowEdge} {\\ensuremath{ {%.2f } } }",1, x, H->GetXaxis()->GetBinLowEdge(x) ) << endl;
    if ( x == H->GetNbinsX() ) OUT << Form("\\vdef{%iS_bin%iHighEdge} {\\ensuremath{ {%.2f } } }",1 , x, H->GetXaxis()->GetBinUpEdge(x) ) << endl;
    OUT << Form("\\vdef{%iS_bin%iContent} {\\ensuremath{ {%.0f } } }",1, x, H->GetBinContent(x) ) << endl;
    OUT << Form("\\vdef{%iS_bin%iError} {\\ensuremath{ {%.0f } } }",1, x, H->GetBinError(x) ) << endl;
    tot += H->GetBinContent(x);
    totE += (H->GetBinError(x)*H->GetBinError(x));
  }
		
  OUT << Form("\\vdef{sum%iS} {\\ensuremath{ {%.0f } } }",1, tot) << endl;
  OUT << Form("\\vdef{sum%iSError} {\\ensuremath{ {%.0f } } }",1 , TMath::Sqrt(totE) ) << endl;
  OUT.close();
  
}
void fitpapvar(const char* infilename, const char* histname) {
  TFile* infile = new TFile(Form("%s",infilename),"read");
  TH1D* hcf = (TH1D*)infile->Get(histname);
  hcf->GetXaxis()->SetRangeUser(0,2);

   TF1 *fc2 = new TF1("fc2","[3]+[2]*TMath::Gaus(x,[0],[1])",0.4,1);
   fc2->SetParameters(1.5,0.3,-0.2,1);

  // TF1 *fc2 = new TF1("fc2","[1]+[0]*x*x",0,1);
  // fc2->SetParameters(-0.01,1.0);

  // TF1 *fc2 = new TF1("fc2","[2]+[1]*x*x*x*x*x",0,1);
  // fc2->SetParameters(-0.01,0.01,1.0);

  // TF1 *fc2 = new TF1("fc2","[3]+[2]*x*x+[1]*x*x*x+[0]*x*x*x*x",0.,1);
  // fc2->SetParameters(-0.01,0.01,1.0,1.0);

  hcf->Fit("fc2","r","",0.3,1);
  TH1D* hnew = new TH1D("hnew","hnew",hcf->GetNbinsX(),0,1);
  for(int i=1;i<=hcf->GetNbinsX();++i){
    // cout << i << endl;
    // cout << hcf->GetBinContent(i)/fc2->Eval(2.*i/hcf->GetNbinsX()) << endl;
    // cout << hcf->GetBinContent(i) << endl;
    // cout << fc2->Eval(2.*i/hcf->GetNbinsX()) << endl << endl;
    hnew->SetBinContent(i, hcf->GetBinContent(i)/fc2->Eval(1.*i/hcf->GetNbinsX()));
    hnew->SetBinError(i, hcf->GetBinError(i));

  }
  hnew->Draw("same");
  fc2->Draw("same");
  hnew->SetName(Form("divp4%s",histname));
  TFile* ofile = new TFile(Form("divp4%s",infilename),"update");
  hnew->Write();
  hcf->Write();
  ofile->Close();
}
Example #25
0
void MergeOverflow(TH1D &h, bool merge_underflow, bool merge_overflow) {
    if(merge_underflow) {
        h.SetBinContent(1, h.GetBinContent(0)+h.GetBinContent(1));
        h.SetBinContent(0, 0.);
        h.SetBinError(1, hypot(h.GetBinError(0), h.GetBinError(1)));
        h.SetBinError(0, 0.);
    }
    int nbins = h.GetNbinsX();
    if(merge_overflow) {
        h.SetBinContent(nbins, h.GetBinContent(nbins)+h.GetBinContent(nbins+1));
        h.SetBinContent(nbins+1, 0.);
        h.SetBinError(nbins, hypot(h.GetBinError(nbins), h.GetBinError(nbins+1)));
        h.SetBinError(nbins+1, 0.);
    }
}
TH1D *getpuweights(TFile *file, TH1D *target) {
  
  TDirectory *dirmcpv = (TDirectory*)file->FindObjectAny("AnaFwkMod");
  TH1D *hnpu = (TH1D*)dirmcpv->Get("hNPU");
  TH1D *hpumc = (TH1D*)hnpu->Clone();
  
  hpumc->Sumw2();
  hpumc->Scale(1.0/hpumc->Integral(0,hpumc->GetNbinsX()+1));
  
  
  TH1D *htargettmp = new TH1D("htargettmp","", hpumc->GetNbinsX(), hpumc->GetXaxis()->GetXmin(), hpumc->GetXaxis()->GetXmax());
  htargettmp->Sumw2();
  for (int ibin = 0; ibin<=(htargettmp->GetNbinsX()+1); ++ibin) {
    htargettmp->Fill(htargettmp->GetBinCenter(ibin),target->GetBinContent(target->FindFixBin(htargettmp->GetBinCenter(ibin))));
  }
  htargettmp->Scale(1.0/htargettmp->Integral(0,htargettmp->GetNbinsX()+1));
  
  TH1D *puweights = new TH1D((*htargettmp)/(*hpumc));
    
  delete htargettmp;
  
  return puweights;
    
}
double countDataError(TChain* chain, TCut cut)
{
  // Create temporary histogram
  TH1D* tmp = new TH1D("tmp", "tmp", 30, 0, 1000);

  double DataError = 0;
  tmp->Sumw2();
  chain->Draw("Njet>>tmp", cut, "goff");

  for(int i=0; i<=(tmp->GetNbinsX()+1); i++)
    DataError += tmp->GetBinError(i);

  delete tmp;
  return DataError;
}
Example #28
0
void AdjustDensityForBinWidth(TH1D &h) {
    double entries = h.GetEntries();
    int nbins = h.GetNbinsX();
    double low = h.GetBinLowEdge(1);
    double high = h.GetBinLowEdge(nbins+1);
    double width = (high-low)/nbins;
    for(int bin = 1; bin <= nbins; ++bin) {
        double content = h.GetBinContent(bin);
        double error = h.GetBinError(bin);
        double this_width = h.GetBinWidth(bin);
        double scale = width/this_width;
        h.SetBinContent(bin, content*scale);
        h.SetBinError(bin, error*scale);
    }
    h.SetEntries(entries);
}
Example #29
0
//=== FUNCTION DEFINITIONS ======================================================================================
TTree* toyHist(int iNToys, bool iDoMu,std::string iName,TH1D *iData,TH1D *iW,TH1D *iEWK,TH1D *iAntiData,TH1D *iAntiW,TH1D *iAntiEWK,double *iOriginalResults) {
    TCanvas *c = 0;
    TTree *tree = new TTree(("Toys"+iName).c_str(),("Toys"+iName).c_str());
    float *vals = new float[16];
    for(int i0 = 0; i0 < 16; i0++) vals[i0] = 0.;
    tree->Branch("nsig"      ,&vals[0] ,"Val0/F");
    tree->Branch("newk"      ,&vals[1] ,"Val1/F");
    tree->Branch("nqcd"      ,&vals[2] ,"Val2/F");
    tree->Branch("nantisig"  ,&vals[3] ,"Val3/F");
    tree->Branch("nantiewk"  ,&vals[4] ,"Val4/F");
    tree->Branch("nantiqcd"  ,&vals[5] ,"Val5/F");
    tree->Branch("sigma"     ,&vals[6] ,"Val6/F");
    tree->Branch("a1"        ,&vals[7] ,"Val7/F");
    tree->Branch("nsig_e"    ,&vals[8] ,"Val8/F");
    tree->Branch("newk_e"    ,&vals[9] ,"Val9/F");
    tree->Branch("nqcd_e"    ,&vals[10],"Val10/F");
    tree->Branch("nantisig_e",&vals[11],"Val11/F");
    tree->Branch("nantiewk_e",&vals[12],"Val12/F");
    tree->Branch("nantiqcd_e",&vals[13],"Val13/F");
    tree->Branch("sigma_e"   ,&vals[14],"Val14/F");
    tree->Branch("a1_e"      ,&vals[15],"Val15/F");
    //Set The first entry of the tree to be the default values
    for(int i1 = 0; i1 < 16; i1++) vals[i1] = float(iOriginalResults[i1]);
    tree->Fill();

    TH1D *pData       = 0;
    TH1D *pAntiData   = 0;
    for(int i0 = 0; i0 < iNToys; i0++) {
        std::stringstream pSS;
        pSS << "Hist" << i0;
        pData       = (TH1D*) iData    ->Clone((pSS.str()+"A").c_str());
        pAntiData   = (TH1D*) iAntiData->Clone((pSS.str()+"B").c_str());
        for(int i1 = 0; i1 < pData    ->GetNbinsX()+1; i1++) pData    ->SetBinContent(i1,0);
        for(int i1 = 0; i1 < pAntiData->GetNbinsX()+1; i1++) pAntiData->SetBinContent(i1,0);
        pData    ->FillRandom(iData,    iData    ->Integral());
        pAntiData->FillRandom(iAntiData,iAntiData->Integral());
        cout <<"==> " << pData->Integral() << " -- " << iData->Integral() << endl;
        double* pVals = fitHist(c,iDoMu,0,pSS.str(),pData,iW,iEWK,pAntiData,iAntiW,iAntiEWK,100,100,100,100);
        for(int i1 = 0; i1 < 16; i1++) vals[i1] = float(pVals[i1]);
        tree->Fill();
        delete pData;
        delete pAntiData;
    }
    return tree;
}
Example #30
0
TH1D *HistoRatio (TH1D *hisNum, TH1D *hisDen){

  //Graph Ratio Clone
  TH1D *Ratio;
  Ratio = (TH1D*)hisNum->Clone();
  Ratio->Divide(hisDen);

  for(int ibin=1;ibin<=Ratio->GetNbinsX();ibin++) {
    if (Ratio->GetBinContent(ibin) == 0.0 ) {
      Ratio->SetBinContent(ibin, 1.0);
      Ratio->SetBinError(ibin, 0.0);
    }
  }

  Ratio->SetFillColor(0);
  Ratio->SetLineColor(kGray+2);
  // Ratio->SetLineColor(kMagenta-5);
  Ratio->SetLineWidth(1);
  Ratio->SetTitle("");
  
  Ratio->GetYaxis()->SetTitle("Obs/Exp");
  Ratio->GetYaxis()->CenterTitle();
  Ratio->GetYaxis()->SetTitleFont(42);
  Ratio->GetYaxis()->SetTitleSize(0.135);
  Ratio->GetYaxis()->SetTitleOffset(0.28);
  Ratio->GetYaxis()->SetLabelFont(42);
  Ratio->GetYaxis()->SetLabelSize(0.115);
  Ratio->GetYaxis()->SetNdivisions(402);
  
  Ratio->GetXaxis()->SetTitle("CSVv2 bin"); 
  Ratio->GetXaxis()->SetNdivisions(509); //(402)
  Ratio->GetXaxis()->SetTitleOffset(1.1);
  Ratio->GetXaxis()->SetTitleFont(42);
  Ratio->GetXaxis()->SetTitleSize(0.16);
  Ratio->GetXaxis()->SetTitleFont(42);
  Ratio->GetXaxis()->SetLabelSize(0.14);
  
  Ratio->SetMinimum(0.4);
  Ratio->SetMaximum(1.6);

  return Ratio;  

}