示例#1
0
void THSEventsPDF::adjustBinning(Int_t* offset1) const
{
   RooRealVar* xvar = fx_off ;
  if (!dynamic_cast<RooRealVar*>(xvar)) {
    coutE(InputArguments) << "RooDataHist::adjustBinning(" << GetName() << ") ERROR: dimension " << xvar->GetName() << " must be real" << endl ;
    assert(0) ;
  }
  Double_t xlo = xvar->getMin() ;
  Double_t xhi = xvar->getMax() ;
  //adjust bin range limits with new scale parameter
  //cout<<scale<<" "<<fMean<<" "<<xlo<<" "<<xhi<<endl;
  xlo=(xlo-fMean)/scale+fMean;
  xhi=(xhi-fMean)/scale+fMean;
  if(xvar->getBinning().lowBound()==xlo&&xvar->getBinning().highBound()==xhi) return;
  xvar->setRange(xlo,xhi) ;
  // Int_t xmin(0) ;
  // cout<<"THSEventsPDF::adjustBinning( "<<xlo <<" "<<xhi<<endl;
  //now adjust fitting range to bin limits??Possibly not
  if (fRHist->GetXaxis()->GetXbins()->GetArray()) {

    RooBinning xbins(fRHist->GetNbinsX(),fRHist->GetXaxis()->GetXbins()->GetArray()) ;

    Double_t tolerance = 1e-6*xbins.averageBinWidth() ;
    
    // Adjust xlo/xhi to nearest boundary
    Double_t xloAdj = xbins.binLow(xbins.binNumber(xlo+tolerance)) ;
    Double_t xhiAdj = xbins.binHigh(xbins.binNumber(xhi-tolerance)) ;
    xbins.setRange(xloAdj,xhiAdj) ;

    xvar->setBinning(xbins) ;
    if (fabs(xloAdj-xlo)>tolerance||fabs(xhiAdj-xhi)<tolerance) {
      coutI(DataHandling) << "RooDataHist::adjustBinning(" << GetName() << "): fit range of variable " << xvar->GetName() << " expanded to nearest bin boundaries: [" 
			  << xlo << "," << xhi << "] --> [" << xloAdj << "," << xhiAdj << "]" << endl ;
    }


  } else {

    RooBinning xbins(fRHist->GetXaxis()->GetXmin(),fRHist->GetXaxis()->GetXmax()) ;
    xbins.addUniform(fRHist->GetNbinsX(),fRHist->GetXaxis()->GetXmin(),fRHist->GetXaxis()->GetXmax()) ;

    Double_t tolerance = 1e-6*xbins.averageBinWidth() ;

    // Adjust xlo/xhi to nearest boundary
    Double_t xloAdj = xbins.binLow(xbins.binNumber(xlo+tolerance)) ;
    Double_t xhiAdj = xbins.binHigh(xbins.binNumber(xhi-tolerance)) ;
    xbins.setRange(xloAdj,xhiAdj) ;
    xvar->setRange(xloAdj,xhiAdj) ;
    //xvar->setRange(xlo,xhi) ;
 
  }
  return;
}
示例#2
0
TGraphAsymmErrors *plotEffPt(RooDataSet *a, int aa) {
    const RooArgSet *set = a->get();
    RooRealVar *xAx = (RooRealVar*)set->find("pt");
    RooRealVar *eff = (RooRealVar*)set->find("efficiency");

    const int nbins = xAx->getBinning().numBins();

    double tx[nbins], txhi[nbins], txlo[nbins];
    double ty[nbins], tyhi[nbins], tylo[nbins];

    for (int i=0; i<nbins; i++) {
        a->get(i);
        ty[i] = eff->getVal();
        tx[i] = xAx->getVal();
        txhi[i] = fabs(xAx->getErrorHi());
        txlo[i] = fabs(xAx->getErrorLo());
        tyhi[i] = fabs(eff->getErrorHi());
        tylo[i] = fabs(eff->getErrorLo());
    }

    cout<<"NBins : "<<nbins<<endl;

    const double *x = tx;
    const double *xhi = txhi;
    const double *xlo = txlo;
    const double *y = ty;
    const double *yhi = tyhi;
    const double *ylo = tylo;

    TGraphAsymmErrors *b = new TGraphAsymmErrors();
    if(aa == 1) {
        *b = TGraphAsymmErrors(nbins,x,y,xlo,xhi,ylo,yhi);
    }
    if(aa == 0) {
        *b = TGraphAsymmErrors(nbins,x,y,0,0,ylo,yhi);
    }
    b->SetMaximum(1.1);
    b->SetMinimum(0.0);
    b->SetMarkerStyle(20);
    b->SetMarkerColor(kRed+2);
    b->SetMarkerSize(1.0);
    b->SetTitle("");
    b->GetXaxis()->SetTitleSize(0.05);
    b->GetYaxis()->SetTitleSize(0.05);
    b->GetXaxis()->SetTitle("p_{T} [GeV/c]");
    b->GetYaxis()->SetTitle("Efficiency");
    b->GetXaxis()->CenterTitle();
    //b->Draw("apz");

    for (int i=0; i<nbins; i++) {
        cout << x[i] << " " << y[i] << " " << yhi[i] << " " << ylo[i] << endl;
    }

    return b;

}
示例#3
0
TH2F *plotEff2D(RooDataSet *a, TString b) {
    const RooArgSet *set = a->get();
    RooRealVar *yAx = (RooRealVar*)set->find("pt");
    RooRealVar *xAx = (RooRealVar*)set->find("eta");
    RooRealVar *eff = (RooRealVar*)set->find("efficiency");

//    const int xnbins = xAx->getBinning().numBins();
//    const int ynbins = yAx->getBinning().numBins();

    //double xbins[] = {-2.4, -1.6, -0.8, 0.0, 0.8, 1.6, 2.4};
    //double ybins[] = {0, 2, 3, 5, 8, 10, 20};

    const double *xvbins = xAx->getBinning().array();
    const double *yvbins = yAx->getBinning().array();

    TH2F* h = new TH2F(b, "", xAx->getBinning().numBins(), xvbins, yAx->getBinning().numBins(), yvbins);

    gStyle->SetPaintTextFormat("5.2f");
    gStyle->SetPadRightMargin(0.12);
    gStyle->SetPalette(1);
    h->SetOption("colztexte");
    h->GetZaxis()->SetRangeUser(-0.001,1.001);
    h->SetStats(kFALSE);
    h->GetYaxis()->SetTitle("p_{T} [GeV/c]");
    h->GetXaxis()->SetTitle("#eta");
    h->GetXaxis()->CenterTitle();
    h->GetYaxis()->CenterTitle();
    h->GetXaxis()->SetTitleSize(0.05);
    h->GetYaxis()->SetTitleSize(0.05);
    h->GetYaxis()->SetTitleOffset(0.8);
    h->GetXaxis()->SetTitleOffset(0.9);
    for(int i=0; i<a->numEntries(); i++) {
        a->get(i);
        h->SetBinContent(h->FindBin(xAx->getVal(), yAx->getVal()), eff->getVal());
        h->SetBinError(h->FindBin(xAx->getVal(), yAx->getVal()), (eff->getErrorHi()-eff->getErrorLo())/2.);
    }

    return h;

}
示例#4
0
 void GenericModel::ImportModelData(Int_t parameter_num, RooArgList* plist)
 {
    // Import all model datasets corresponding to the defined parameters, ranges & binnings
    RooArgList PLIST;
    if (plist) PLIST.addClone(*plist);
    RooRealVar* par = dynamic_cast<RooRealVar*>(fParameters.at(parameter_num));
    RooAbsBinning& bins = par->getBinning();
    Int_t N = bins.numBins();
    RooRealVar* par_in_list = (RooRealVar*)PLIST.find(par->GetName());
    if (!par_in_list) {
       PLIST.addClone(RooRealVar(par->GetName(), par->GetTitle(), 0.));
       par_in_list = (RooRealVar*)PLIST.find(par->GetName());
    }
    for (int i = 0; i < N; i++) {
       par_in_list->setMax(bins.binHigh(i));
       par_in_list->setMin(bins.binLow(i));
       par_in_list->setVal(bins.binCenter(i));
       if ((parameter_num + 1) < GetNumberOfParameters())
          ImportModelData(parameter_num + 1, &PLIST);
       else {
          AddModelData(PLIST, GetModelDataSet(PLIST));
       }
    }
 }