本文整理汇总了C++中TH1::FindLastBinAbove方法的典型用法代码示例。如果您正苦于以下问题：C++ TH1::FindLastBinAbove方法的具体用法？C++ TH1::FindLastBinAbove怎么用？C++ TH1::FindLastBinAbove使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TH1的用法示例。
在下文中一共展示了TH1::FindLastBinAbove方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: UpdateHist
// show the histogram in first slot, try a Gaussian fit with given parameters
void PRadHistCanvas::UpdateHist(int index, TObject *tob, int range_min, int range_max)
{
--index;
if(index < 0 || index >= canvases.size())
return;
canvases[index]->cd();
canvases[index]->SetGrid();
gPad->SetLogy();
TH1 *hist = (TH1*)tob;
hist->GetXaxis()->SetRangeUser(hist->FindFirstBinAbove(0,1) - 10,
hist->FindLastBinAbove(0,1) + 10);
hist->GetXaxis()->SetLabelSize(HIST_LABEL_SIZE);
hist->GetYaxis()->SetLabelSize(HIST_LABEL_SIZE);
// try to fit gaussian in certain range
if(range_max > range_min
&& hist->Integral(range_min, range_max + 1) > 0)
{
TF1 *fit = new TF1("", "gaus", range_min, range_max);
fit->SetLineColor(kRed);
fit->SetLineWidth(2);
hist->Fit(fit,"qlR");
}
hist->SetFillColor(fillColors[index]);
hist->Draw();
canvases[index]->Refresh();
}示例2: Fit
void Fit(TString SIGNAL,TString HISTO,double scaleSGN)
{
gROOT->ForceStyle();
TFile *fDat = TFile::Open("Histo_flatTree_data_tmva"+SIGNAL+".root");
TFile *fBkg = TFile::Open("Histo_flatTree_qcd_weights_tmva"+SIGNAL+".root");
TFile *fSgn = TFile::Open("Histo_flatTree_"+SIGNAL+"_weights_tmva"+SIGNAL+".root");
TH1 *hDat = (TH1*)fDat->Get(HISTO);
TH1 *hBkgRaw = (TH1*)fBkg->Get(HISTO);
TH1 *hSgn = (TH1*)fSgn->Get(HISTO);
TH1 *hDat_JESlo = (TH1*)fDat->Get(HISTO+"_JESlo");
TH1 *hBkgRaw_JESlo = (TH1*)fBkg->Get(HISTO+"_JESlo");
TH1 *hSgn_JESlo = (TH1*)fSgn->Get(HISTO+"_JESlo");
TH1 *hDat_JESup = (TH1*)fDat->Get(HISTO+"_JESup");
TH1 *hBkgRaw_JESup = (TH1*)fBkg->Get(HISTO+"_JESup");
TH1 *hSgn_JESup = (TH1*)fSgn->Get(HISTO+"_JESup");
TH1F *hBkg = (TH1F*)hBkgRaw->Clone("Bkg");
TH1F *hBkg_JESlo = (TH1F*)hBkgRaw_JESlo->Clone("Bkg_JESlo");
TH1F *hBkg_JESup = (TH1F*)hBkgRaw_JESup->Clone("Bkg_JESup");
hBkg->Smooth(2);
hBkg_JESlo->Smooth(2);
hBkg_JESup->Smooth(2);
hSgn->Smooth(2);
hSgn_JESlo->Smooth(2);
hSgn_JESup->Smooth(2);
double lumi = 4967;
hBkg->Scale(lumi);
hBkg_JESlo->Scale(lumi);
hBkg_JESup->Scale(lumi);
double k_factor = hDat->Integral()/hBkg->Integral();
double k_factor_JESlo = hDat->Integral()/hBkg_JESlo->Integral();
double k_factor_JESup = hDat->Integral()/hBkg_JESup->Integral();
hBkg->Scale(k_factor);
cout<<"Signal entries = "<<hSgn->GetEntries()<<endl;
hSgn->Scale(lumi/scaleSGN);
hBkg_JESlo->Scale(k_factor_JESlo);
hSgn_JESlo->Scale(lumi/scaleSGN);
hBkg_JESup->Scale(k_factor_JESup);
hSgn_JESup->Scale(lumi/scaleSGN);
hSgn_JESlo->Scale(hSgn->Integral()/hSgn_JESlo->Integral());
hSgn_JESup->Scale(hSgn->Integral()/hSgn_JESup->Integral());
TH1 *hBkg_STATlo = (TH1*)hBkg->Clone(HISTO+"_STATlo");
TH1 *hSgn_STATlo = (TH1*)hSgn->Clone(HISTO+"_STATlo");
TH1 *hBkg_STATup = (TH1*)hBkg->Clone(HISTO+"_STATup");
TH1 *hSgn_STATup = (TH1*)hSgn->Clone(HISTO+"_STATup");
float y1,e1;
for(int i=0;i<hBkg->GetNbinsX();i++) {
y1 = hBkg->GetBinContent(i+1);
e1 = hBkg->GetBinError(i+1);
hBkg_STATlo->SetBinContent(i+1,y1-e1);
hBkg_STATup->SetBinContent(i+1,y1+e1);
y1 = hSgn->GetBinContent(i+1);
e1 = hSgn->GetBinError(i+1);
hSgn_STATlo->SetBinContent(i+1,y1-e1);
hSgn_STATup->SetBinContent(i+1,y1+e1);
}
hBkg_STATlo->Scale(hBkg->Integral()/hBkg_STATlo->Integral());
hBkg_STATup->Scale(hBkg->Integral()/hBkg_STATup->Integral());
hSgn_STATlo->Scale(hSgn->Integral()/hSgn_STATlo->Integral());
hSgn_STATup->Scale(hSgn->Integral()/hSgn_STATup->Integral());
double xMIN = hBkg->GetBinLowEdge(1);
double xMAX = hBkg->GetBinLowEdge(hBkg->GetNbinsX()+1);
double xMIN2 = hDat->GetBinLowEdge(hDat->FindFirstBinAbove(0.5));
double xMAX2 = hDat->GetBinLowEdge(hDat->FindLastBinAbove(0.5)+1);
RooRealVar x("x","x",xMIN2,xMAX2);
RooDataHist data("data","dataset with x",x,hDat);
RooDataHist bkg("qcd","bkg with x",x,hBkg);
RooDataHist sgn("signal","sgn with x",x,hSgn);
RooHistPdf bkgPDF("bkgPDF","bkgPDF",x,bkg,0);
RooHistPdf sgnPDF("sgnPDF","sgnPDF",x,sgn,0);
RooRealVar f("f","f",0,0.,1.);
RooAddPdf model("model","model",RooArgList(sgnPDF,bkgPDF),RooArgList(f));
RooFitResult* r = model.fitTo(data,Save());
r->Print("v");
double N = hDat->Integral();
double B = hBkg->Integral();
double S = hSgn->Integral();
double m = f.getVal();
double e = f.getError();
cout<<"k-factor = "<<k_factor<<endl;
cout<<N<<" "<<B<<" "<<S<<endl;
cout<<"Total cross section = "<<N/lumi<<" pb"<<endl;
cout<<"Model cross section = "<<S/lumi<<" pb"<<endl;
cout<<"Fitted signal strength = "<<m*N/S<<endl;
cout<<"Fitted signal error = "<<e*N/S<<endl;
double p = 0.95;
double xup = (N/S)*(m+sqrt(2.)*e*TMath::ErfInverse((1-p)*TMath::Erf(m/e)+p));
cout<<"Bayesian Upper limit = "<<xup<<endl;
RooPlot* frame1 = x.frame();
//.........这里部分代码省略.........
示例3: set
histoBook* histoBook::set( string opt, vector<string> params ){
//cout << "Setting : " << opt << endl;
//for ( int i = 0; i < params.size(); i++ ){
// cout << params[ i ] << " ";
//}
//cout << endl;
// force the param name to lowercase
transform(opt.begin(), opt.end(), opt.begin(), ::tolower);
TH1* h = get( styling );
if ( h ){
if ( "title" == opt ){
h->SetTitle( cParam(params, 0) );
} else if ( "x" == opt ){
h->GetXaxis()->SetTitle( cParam(params, 0) );
} else if ( "y" == opt ){
h->GetYaxis()->SetTitle( cParam(params, 0) );
} else if ( "legend" == opt ){
legend->AddEntry( h, cParam(params, 0), cParam(params, 1, "lpf") );
legend->Draw();
} else if ( "draw" == opt ){
drawOption = cParam(params, 0);
} else if ( "linecolor" == opt ){
int c = color( cParam( params, 0) );
if ( c < 0 )
c = (int) dParam( params, 0);
h->SetLineColor( c );
} else if ( "fillcolor" == opt ){
int c = color( cParam( params, 0) );
if ( c < 0 )
c = (int) dParam( params, 0);
h->SetFillColor( c );
} else if ( "linewidth" == opt ){
h->SetLineWidth( dParam( params, 0) );
} else if ( "domain" == opt ){
double min = dParam( params, 0);
double max = dParam( params, 1);
h->GetXaxis()->SetRangeUser( min, max );
} else if ( "dynamicdomain" == opt ){
double thresh = dParam( params, 0);
int min = (int)dParam( params, 1);
int max = (int)dParam( params, 2);
int axis = (int)dParam( params, 3); // 1 = x, 2 = y
if ( 1 != axis && 2 != axis )
axis = 1;
if ( thresh >= 0) {
if ( -1 >= min )
min = h->FindFirstBinAbove( thresh, axis );
if ( -1 >= max )
max = h->FindLastBinAbove( thresh, axis );
}
if ( 1 == axis )
h->GetXaxis()->SetRange( min, max );
else if ( 2 == axis )
h->GetYaxis()->SetRange( min, max );
} else if ( "range" == opt ){
double min = dParam( params, 0);
double max = dParam( params, 1);
h->GetYaxis()->SetRangeUser( min, max );
} else if ( "markercolor" == opt ) {
int c = color( cParam( params, 0) );
if ( c < 0 )
c = (int) dParam( params, 0);
h->SetMarkerColor( c );
} else if ( "markerstyle" == opt ) {
h->SetMarkerStyle( (int)dParam( params, 0) );
} else if ( "legend" == opt ){
// p1 - alignmentX
// p2 - alignmentY
// p3 - width
// p4 - height
// make sure option is valid
double p1 = dParam( params, 0);
double p2 = dParam( params, 1);
if ( !(legendAlignment::center == p1 || legendAlignment::left == p1 || legendAlignment::right == p1) )
p1 = legendAlignment::best;
if ( !(legendAlignment::center == p2 || legendAlignment::top == p2 || legendAlignment::bottom == p2) )
p2 = legendAlignment::best;
placeLegend( p1, p2, dParam( params, 3), dParam( params, 3) );
} else if ( "numberofticks" == opt ){
// p1 - # of primary divisions
// p2 - # of secondary divisions
// p3 - axis : 0 or 1 = x, 2 = y
double p1 = dParam( params, 0);
double p2 = dParam( params, 1);
double p3 = dParam( params, 2);
if ( p2 == -1 )
p2 = 0;
if ( 2 == (int)p3 )
//.........这里部分代码省略.........
示例4: set
histoBook* histoBook::set( string param, double p1, double p2, double p3, double p4 ){
transform(param.begin(), param.end(), param.begin(), ::tolower);
TH1* h = get( styling );
if ( h ){
if ( "linecolor" == param ){
h->SetLineColor( (int) p1 );
} else if ( "domain" == param ){
double min = p1;
double max = p2;
h->GetXaxis()->SetRangeUser( min, max );
} else if ( "dynamicdomain" == param ){
double thresh = p1;
int min = (int)p2;
int max = (int)p3;
int axis = (int)p4; // 1 = x, 2 = y
if ( 1 != axis && 2 != axis )
axis = 1;
if ( thresh >= 0) {
if ( -1 >= min )
min = h->FindFirstBinAbove( thresh, axis );
if ( -1 >= max )
max = h->FindLastBinAbove( thresh, axis );
}
if ( 1 == axis )
h->GetXaxis()->SetRange( min, max );
else if ( 2 == axis )
h->GetYaxis()->SetRange( min, max );
} else if ( "range" == param ){
double min = p1;
double max = p2;
h->GetYaxis()->SetRangeUser( min, max );
} else if ( "markercolor" == param ) {
h->SetMarkerColor( (int)p1 );
} else if ( "markerstyle" == param ) {
h->SetMarkerStyle( (int)p1 );
} else if ( "legend" == param ){
// p1 - alignmentX
// p2 - alignmentY
// p3 - width
// p4 - height
// make sure option is valid
if ( !(legendAlignment::center == p1 || legendAlignment::left == p1 || legendAlignment::right == p1) )
p1 = legendAlignment::best;
if ( !(legendAlignment::center == p2 || legendAlignment::top == p2 || legendAlignment::bottom == p2) )
p2 = legendAlignment::best;
placeLegend( p1, p2, p3, p4 );
} else if ( "numberofticks" == param ){
// p1 - # of primary divisions
// p2 - # of secondary divisions
// p3 - axis : 0 or 1 = x, 2 = y
if ( p2 == -1 )
p2 = 0;
if ( 2 == (int)p3 )
h->GetYaxis()->SetNdivisions( (int) p1, (int) p2, 0, true );
else
h->GetXaxis()->SetNdivisions( (int) p1, (int) p2, 0, true );
}
}
return this;
}