本文整理汇总了C++中TGraph2D::SetMinimum方法的典型用法代码示例。如果您正苦于以下问题：C++ TGraph2D::SetMinimum方法的具体用法？C++ TGraph2D::SetMinimum怎么用？C++ TGraph2D::SetMinimum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TGraph2D的用法示例。
在下文中一共展示了TGraph2D::SetMinimum方法的1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: PlotSVMopt
void PlotSVMopt(){
// // TString FileData = "SVMoptData.dat";
// TFile *f = new TFile("SVMoptTree.root","RECREATE");
// TTree *T = new TTree("SVMoptTree","data from ascii file");
// Long64_t nlines = T->ReadFile("SVMoptData.dat","Gamma:C:ROCint:SigAt1Bkg_test:SigAt1Bkg_train");
// printf(" found %lld pointsn",nlines);
// T->Write();
// TGraph2D *grROCint = new TGraph2D();
// for(int i=0;i<nlines;i++){
// grROCint->SetPoint(i,);
// }
TGraph2D *grROCint = new TGraph2D();
TGraph2D *grSigAt1Bkg_test = new TGraph2D();
TGraph2D *grOverTrain = new TGraph2D();
TString dir = gSystem->UnixPathName(__FILE__);
dir.ReplaceAll("PlotSVMopt.C","");
dir.ReplaceAll("/./","/");
ifstream in;
// in.open(Form("%sSVMoptData.dat",dir.Data()));
in.open(Form("%sSVMoptData_NEW2.dat",dir.Data()));
Float_t Gamma,C,ROCint, SigAt1Bkg_test, SigAt1Bkg_train;
Int_t nlines = 0;
while (1) {
in >> Gamma >> C >> ROCint >> SigAt1Bkg_test >> SigAt1Bkg_train;
if (!in.good()) break;
// if (in.good()){
if (nlines < 5) printf("Gamma=%8f, C=%8f, ROCint=%8f\n",Gamma, C, ROCint);
grROCint->SetPoint(nlines,Gamma,C,ROCint);
grSigAt1Bkg_test->SetPoint(nlines,Gamma,C,SigAt1Bkg_test);
grOverTrain->SetPoint(nlines,Gamma,C,fabs(SigAt1Bkg_train-SigAt1Bkg_test));
nlines++;
// }
}
printf(" found %d points\n",nlines);
in.close();
TCanvas *cSVMopt = new TCanvas("cSVMopt","SVM model choice",600,600);
cSVMopt->Divide(2,2);
cSVMopt->cd(1);
cSVMopt_1->SetLogx();
cSVMopt_1->SetLogy();
grROCint->GetXaxis()->SetLabelSize(0.04);
grROCint->GetYaxis()->SetLabelSize(0.04);
grROCint->GetZaxis()->SetLabelSize(0.04);
grROCint->GetXaxis()->SetTitle("#gamma");
grROCint->GetYaxis()->SetTitle("C");
grROCint->GetZaxis()->SetTitle("ROC integral");
grROCint->SetTitle("ROC integral");
grROCint->SetMaximum(1.0);
grROCint->SetMinimum(0.9);
grROCint->Draw("COLZ");
cSVMopt->cd(2);
cSVMopt_2->SetLogx();
cSVMopt_2->SetLogy();
grSigAt1Bkg_test->SetTitle("Signal at 1% Bkg level (test)");
// grSigAt1Bkg_test->Draw("surf1");
grSigAt1Bkg_test->Draw("COLZ");
cSVMopt->cd(3);
cSVMopt_3->SetLogx();
cSVMopt_3->SetLogy();
grOverTrain->SetTitle("Overtraining");
grOverTrain->Draw("COLZ");
//cSVMopt->SaveAs("SVMoptC1.root");
}