当前位置: 首页>>代码示例>>C++>>正文

C++ TLine::SetX2方法代码示例

本文整理汇总了C++中TLine::SetX2方法的典型用法代码示例。如果您正苦于以下问题：C++ TLine::SetX2方法的具体用法？C++ TLine::SetX2怎么用？C++ TLine::SetX2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TLine的用法示例。


在下文中一共展示了TLine::SetX2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: Fit

//______________________________________________________________________________
void Fit(TH1* h, Double_t* outPos, Double_t* outFWHM)
{
    // Perform fit.
    
    Char_t tmp[256];

    Double_t x1 = 50;
    Double_t x2 = 230;

    TF1* func = new TF1("func", "gaus(0)+pol5(3)", x1, x2);
    func->SetParameters(h->GetMaximum(), 135, 8, 1, 1, 0.1, 0.1);
    func->SetLineColor(kBlue);
    func->SetParLimits(1, 130, 140);
    func->SetParLimits(2, 1, 15);
    h->Fit(func, "RBQO");
    
    // get position and FWHM
    fPi0Pos = func->GetParameter(1);
    *outPos = fPi0Pos;
    *outFWHM = 2.35*func->GetParameter(2);

    // indicator line
    TLine* line = new TLine();
    line->SetLineWidth(2);
    line->SetX1(fPi0Pos);
    line->SetX2(fPi0Pos);
    line->SetY1(0);
    line->SetY2(h->GetMaximum());

    TF1* fBG = new TF1("funcBG", "pol5", x1, x2);
    for (Int_t i = 0; i < 6; i++) fBG->SetParameter(i, func->GetParameter(3+i));
    fBG->SetLineColor(kRed);

    // draw 
    h->GetXaxis()->SetRangeUser(0, 300);
    h->Draw();
    func->Draw("same");
    fBG->Draw("same");
    line->Draw("same");
}
开发者ID:Physott，项目名称:acqu，代码行数:41，代码来源:CBEnergy.C

示例2: Fit

//______________________________________________________________________________
void Fit(TH1* h, Double_t* outPos, Double_t* outFWHM)
{
    // Perform fit.
    
    Char_t tmp[256];

    // delete old function
    TF1* func = new TF1(tmp, "pol1+gaus(2)");
    func->SetLineColor(2);
    
    // estimate peak position
    Double_t fPi0Pos = h->GetBinCenter(h->GetMaximumBin());

    // configure fitting function
    func->SetRange(fPi0Pos - 0.8, fPi0Pos + 0.8);
    func->SetLineColor(2);
    func->SetParameters( 0.1, 0.1, h->GetMaximum(), 0, 0.1);
    Int_t fitres = h->Fit(func, "RB0Q");
    
    // get position and FWHM
    fPi0Pos = func->GetParameter(3);
    *outPos = fPi0Pos;
    *outFWHM = 2.35*func->GetParameter(4);

    // indicator line
    TLine* line = new TLine();
    line->SetX1(fPi0Pos);
    line->SetX2(fPi0Pos);
    line->SetY1(0);
    line->SetY2(h->GetMaximum());

    // draw 
    h->GetXaxis()->SetRangeUser(-3, 3);
    h->Draw();
    func->Draw("same");
    line->Draw("same");
}
开发者ID:linturi，项目名称:CaLib，代码行数:38，代码来源:TAPSTime.C

示例3: integrateRatePlots


//.........这里部分代码省略.........
  integratedCanvas->cd();
  pad2->cd();
  TH1F * r_eff1;
  TH1F * r_eff2;
  r_eff1 = (TH1F*) h_rankIntegrated[1]->Clone("r_eff1");
  r_eff2 = (TH1F*) h_rankIntegrated[2]->Clone("r_eff2");
  r_eff1->Divide(h_rankIntegrated[0]);
  r_eff2->Divide(h_rankIntegrated[0]);
  r_eff1->SetTitle("");
  r_eff2->SetTitle("");
  r_eff1->GetXaxis()->SetRangeUser(xMin,xMax);
  r_eff2->GetXaxis()->SetRangeUser(xMin,xMax);
  r_eff1->SetMinimum(0.3);
  r_eff1->SetMaximum(1.0);
  r_eff2->SetMinimum(0.3);
  r_eff2->SetMaximum(1.0);
  r_eff1->GetXaxis()->SetTitle("Trigger threshold (GeV)");
  r_eff1->GetXaxis()->SetLabelSize(0.07);
  r_eff1->GetXaxis()->SetTitleSize(0.07);
  r_eff1->GetYaxis()->SetLabelSize(0.07);
  r_eff2->GetXaxis()->SetTitle("Trigger threshold (GeV)");
  r_eff2->GetXaxis()->SetLabelSize(0.07);
  r_eff2->GetXaxis()->SetTitleSize(0.07);
  r_eff2->GetYaxis()->SetLabelSize(0.07);
  r_eff1->Draw();
  r_eff2->Draw("same");

  integratedBarrelCanvas->cd();
  pad2B->cd();
  TH1F * r_eff1B;
  TH1F * r_eff2B;
  r_eff1B = (TH1F*) h_rankBarrelIntegrated[1]->Clone("r_eff1B");
  r_eff2B = (TH1F*) h_rankBarrelIntegrated[2]->Clone("r_eff2B");
  r_eff1B->Divide(h_rankIntegrated[0]);
  r_eff2B->Divide(h_rankIntegrated[0]);
  r_eff1B->SetTitle("");
  r_eff2B->SetTitle("");
  r_eff1B->GetXaxis()->SetRangeUser(xMin,xMax);
  r_eff2B->GetXaxis()->SetRangeUser(xMin,xMax);
  r_eff1B->SetMinimum(0.3);
  r_eff1B->SetMaximum(1.0);
  r_eff2B->SetMinimum(0.3);
  r_eff2B->SetMaximum(1.0);
  r_eff1B->GetXaxis()->SetTitle("Trigger threshold (GeV)");
  r_eff1B->GetXaxis()->SetLabelSize(0.07);
  r_eff1B->GetXaxis()->SetTitleSize(0.07);
  r_eff1B->GetYaxis()->SetLabelSize(0.07);
  r_eff2B->GetXaxis()->SetTitle("Trigger threshold (GeV)");
  r_eff2B->GetXaxis()->SetLabelSize(0.07);
  r_eff2B->GetXaxis()->SetTitleSize(0.07);
  r_eff2B->GetYaxis()->SetLabelSize(0.07);
  r_eff1B->Draw();
  r_eff2B->Draw("same");

  integratedCanvas->cd();
  r_eff1B->Draw("same");
  r_eff2B->Draw("same");

  TLine * unity;
  unity = new TLine(0.,1.0,64.,1.0);
  unity->SetX1(gPad->PadtoX(xMin));
  unity->SetX2(gPad->PadtoX(xMax));
  unity->SetLineColor(kBlue);

  integratedCanvas->cd();
  pad2->cd();
  r_eff1B->Draw("same");
  r_eff2B->Draw("same");
  unity->Draw("same");

  integratedBarrelCanvas->cd();
  pad2B->cd();
  unity->Draw("same");

  std::cout << "Writing canvases to file" << std::endl;
  histoFile->WriteTObject(rankCanvas);
  histoFile->WriteTObject(rankBarrelCanvas);
  histoFile->WriteTObject(integratedCanvas);
  histoFile->WriteTObject(integratedBarrelCanvas);

  std::cout << "Closing input files" << std::endl;
  for (Int_t i = 0; i < nFiles; i++)
    {
      inputFile[i]->Close();
    }

  std::cout << "Deleting canvases" << std::endl;

  delete rankCanvas;
  delete rankBarrelCanvas;
  delete pad1;
  delete pad2;
  delete integratedCanvas;
  delete pad1B;
  delete pad2B;
  delete integratedBarrelCanvas;

  return 0;

}
开发者ID:jll911，项目名称:UserCode，代码行数:101，代码来源:integrateRatePlots.C

示例4: if


//.........这里部分代码省略.........
  c2->SetTickx(1);
  c2->SetTicky(1);
  c2->SetLeftMargin(0.122807);
  c2->SetRightMargin(0.05012531);
  c2->SetTopMargin(0.06947891);
  c2->SetBottomMargin(0.1104218);
  c2->SetFrameFillStyle(0);
  c2->SetFrameBorderMode(0);
  c2->SetFrameFillStyle(0);
  c2->SetFrameBorderMode(0);

  TGraphAsymmErrors *WJets_MET = NULL, *WJets_MuonPt = NULL;

  c1->cd ();
  (WJets_MET = (TGraphAsymmErrors *) triggerEfficiency.at ("WJets_MET")->Clone ())->Draw ("ap");
  pt1->Clone ()->Draw ("same");
  pt2->Clone ()->Draw ("same");
  pt3->Clone ()->Draw ("same");
  WJets_MET->GetYaxis ()->SetRangeUser (0.0, YMAX);

  c2->cd ();
  (WJets_MuonPt = (TGraphAsymmErrors *) triggerEfficiency.at ("WJets_MuonPt")->Clone ())->Draw ("ap");
  pt1->Clone ()->Draw ("same");
  pt2->Clone ()->Draw ("same");
  pt4->Clone ()->Draw ("same");
  WJets_MuonPt->GetYaxis ()->SetRangeUser (0.0, YMAX);

  TLine *l = new TLine (1.0e1, 1.0, 1.1e3, 1.0);
  l->SetLineWidth (3);
  l->SetLineStyle (2);

  c1->cd ();
  l->SetX1 (WJets_MET->GetXaxis ()->GetXmin ());
  l->SetX2 (WJets_MET->GetXaxis ()->GetXmax ());
  l->Clone ()->Draw ("same");

  c2->cd ();
  l->SetX1 (WJets_MuonPt->GetXaxis ()->GetXmin ());
  l->SetX2 (WJets_MuonPt->GetXaxis ()->GetXmax ());
  l->Clone ()->Draw ("same");

  if (!doFit)
    return;

  TF1 *f0 = new TF1 ("f0", normCDF, 1.0e1, 1.0e3, 4),
      *f1 = new TF1 ("f1", normCDF, 1.0e1, 1.0e3, 4);

  f0->SetParameter (0, 75.0);
  f0->SetParameter (1, 5.0);
  f0->FixParameter (2, 0.99);
  f0->FixParameter (3, 0.01);
  f1->SetParameter (0, 50.0);
  f1->SetParameter (1, 1.0);
  f1->FixParameter (2, 0.85);
  f1->FixParameter (3, 0.0);

  for (unsigned i = 0; i < 100; i++)
    triggerEfficiency.at ("WJets_MET")->Fit (f0, "emrq0");
  for (unsigned i = 0; i < 100; i++)
    triggerEfficiency.at ("WJets_MuonPt")->Fit (f1, "emrq0");

  f0->ReleaseParameter (2);
  f0->ReleaseParameter (3);
  f1->ReleaseParameter (2);
  f1->ReleaseParameter (3);
开发者ID:srimanob，项目名称:DisappTrks，代码行数:66，代码来源:plotTriggerTurnOnForData.C


注：本文中的TLine::SetX2方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。