本文整理汇总了C++中Graph::GetN方法的典型用法代码示例。如果您正苦于以下问题：C++ Graph::GetN方法的具体用法？C++ Graph::GetN怎么用？C++ Graph::GetN使用的例子？那么, 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Graph的用法示例。
在下文中一共展示了Graph::GetN方法的2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: DrawPileupCorr
bool DrawPileupCorr(Str jetAlgo) {
JetCalibrationTool *theJES = new JetCalibrationTool(jetAlgo,_jesFile,false);
bool residual = theJES->JetAreaJES();
TH1D *temp = new TH1D("","",100,-5,5);
temp->SetXTitle("Jet #eta"); temp->SetYTitle("Jet offset at "+GetConstScale(jetAlgo)+"-scale [GeV]");
if (residual) temp->SetYTitle("Residual jet offset at "+GetConstScale(jetAlgo)+"-scale [GeV]");
temp->SetMinimum(-20); temp->SetMaximum(15); temp->SetStats(0);
if ( residual && theJES->ResidualOffsetCorr_Description() == "" ) return false;
Can->Clear(); temp->Draw();
for (int npv=0;npv<9;++npv) {
double NPV=(npv%3)*10, mu=(npv/3)*10;
if (NPV==0) NPV=1;
Graph *g = new Graph();
FormatGraph(g,npv);
for (int ieta=-50;ieta<50;++ieta) {
double eta=0.05 + 0.1*ieta;
double O = residual ? theJES->GetResidualOffset(eta,mu,NPV)/1000 :
theJES->GetOffset(eta,mu,NPV)/1000; // convert to GeV
g->SetPoint(g->GetN(),eta,O);
}
if (npv<4) DrawLabel(Form("N_{PV} = %.0f, #LT#mu#GT = %.0f",NPV,mu),0.18,0.35-0.04*npv,npv);
else DrawLabel(Form("N_{PV} = %.0f, #LT#mu#GT = %.0f",NPV,mu),0.48,0.35-0.04*(npv-4),npv);
g->Draw("P");
}
tex->SetNDC(); tex->SetTextAlign(12);
if (residual)
tex->DrawLatex(0.18,0.975,theJES->ResidualOffsetCorr_Description());
else
tex->DrawLatex(0.18,0.975,theJES->OffsetCorr_Description());
tex->DrawLatex(0.18,0.9,GetJetDesc(jetAlgo));
return true;
}示例2: DrawPileupCorrVsMuNPV
void DrawPileupCorrVsMuNPV(Str jetAlgo) {
JetCalibrationTool *theJES = new JetCalibrationTool(jetAlgo,_jesFile);
bool residual = theJES->JetAreaJES();
TH1D *tempNPV = new TH1D("","",12,0,20);
TH1D *tempmu = new TH1D("","",15,0,25);
tempNPV->SetXTitle("Number of vertices, #it{N}_{PV}");
tempmu->SetXTitle("Average number of interactions, #LT#it{#mu}#GT");
double etaBins[] = {0, 0.3, 0.8, 1.2, 2.1, 2.8, 3.2, 3.6, 4.5};
Str tit=residual?"Residual jet offset":"Jet offset";
tempNPV->SetYTitle(tit+" at "+GetConstScale(jetAlgo)+"-scale [GeV]");
tempmu->SetYTitle(tit+" at "+GetConstScale(jetAlgo)+"-scale [GeV]");
tempNPV->SetMinimum(-8); tempNPV->SetMaximum(8); tempNPV->SetStats(0);
tempNPV->GetYaxis()->SetTitleOffset(1.0); tempNPV->GetXaxis()->SetTitleOffset(1.0);
tempmu->SetMinimum(-8); tempmu->SetMaximum(8); tempmu->SetStats(0);
tempmu->GetYaxis()->SetTitleOffset(1.0); tempmu->GetXaxis()->SetTitleOffset(1.0);
if (residual && theJES->ResidualOffsetCorr_Description()=="") return;
Can->Clear(); tempNPV->Draw();
for (int ei=0;ei<5;++ei) {
double eta=0.5;
if (ei==1) eta=1.0;
if (ei==2) eta=2.0;
if (ei==3) eta=3.0;
if (ei==4) eta=4.0;
Graph *g = new Graph();
FormatGraph(g,ei);
for (int npv=1;npv<=20;++npv)
if (residual)
g->SetPoint(g->GetN(),npv,theJES->GetResidualOffset(eta,0.0,npv)/1000);
else
g->SetPoint(g->GetN(),npv,theJES->GetOffset(eta,0.0,npv)/1000);
g->Draw("PL");
}
DrawLabel("0.3 #leq |#eta| < 0.8",0.7,0.37,0);
DrawLabel("0.8 #leq |#eta| < 1.2",0.7,0.37-0.05,1);
DrawLabel("2.1 #leq |#eta| < 2.8",0.7,0.37-0.1,2);
DrawLabel("2.8 #leq |#eta| < 3.2",0.7,0.37-0.15,3);
DrawLabel("3.6 #leq |#eta| < 4.5",0.7,0.37-0.2,4);
tex->SetNDC(); tex->SetTextAlign(12);
//tex->DrawLatex(0.18,0.975,myJES->OffsetCorr_Description());
int jetR=jetAlgo.Contains("Kt4")?4:6;
tex->DrawLatex(0.18,0.9,Form("Anti-k_{t} #it{R} = 0.%d, %s+JES",jetR,GetConstScale(jetAlgo).Data()));
Can->Print(ps);
Can->Clear(); tempmu->Draw();
for (int ei=0;ei<5;++ei) {
double eta=0.5;
if (ei==1) eta=1.0;
if (ei==2) eta=2.0;
if (ei==3) eta=3.0;
if (ei==4) eta=4.0;
Graph *g = new Graph();
FormatGraph(g,ei);
for (int mu=0;mu<=25;++mu)
if (residual)
g->SetPoint(g->GetN(),mu,theJES->GetResidualOffset(eta,mu,1)/1000);
else
g->SetPoint(g->GetN(),mu,theJES->GetOffset(eta,mu,1)/1000);
g->Draw("PL");
}
DrawLabel("0.3 #leq |#eta| < 0.8",0.2,0.37,0);
DrawLabel("0.8 #leq |#eta| < 1.2",0.2,0.37-0.05,1);
DrawLabel("2.1 #leq |#eta| < 2.8",0.2,0.37-0.1,2);
DrawLabel("2.8 #leq |#eta| < 3.2",0.2,0.37-0.15,3);
DrawLabel("3.6 #leq |#eta| < 4.5",0.2,0.37-0.2,4);
tex->SetNDC(); tex->SetTextAlign(12);
//tex->DrawLatex(0.18,0.975,myJES->OffsetCorr_Description());
tex->DrawLatex(0.18,0.9,Form("Anti-k_{t} #font[52]{R} = 0.%d, %s+JES",jetR,GetConstScale(jetAlgo).Data()));
Can->Print(ps);
}