本文整理汇总了C++中TNtuple::GetSelectedRows方法的典型用法代码示例。如果您正苦于以下问题：C++ TNtuple::GetSelectedRows方法的具体用法？C++ TNtuple::GetSelectedRows怎么用？C++ TNtuple::GetSelectedRows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TNtuple的用法示例。
在下文中一共展示了TNtuple::GetSelectedRows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: main
//.........这里部分代码省略.........
// General Cuts to be applied for various plots
// Fit_Status == 3
TString Fit_Cut = "(abs(" + Fit_Status + "-3.0)<"+Double_Tolerance+")";
// param1_gen == notgen && param1_err == 0
TString Param_1_Cut = "(abs(" + param1_gen + "-" + notgen +")<" + Double_Tolerance + ")&&(abs("+ param1_err + "-0.0)<"+ Double_Tolerance + ")";
// param2_gen == notgen && param2_err == 0
TString Param_2_Cut = "(abs(" + param2_gen + "-" + notgen + ")<"+ Double_Tolerance + ")&&(abs(" +param2_err +"-0.0)<" + Double_Tolerance + ")";
// Combine the individual Cuts
TString Fit_Cut_String = Param_1_Cut + "&&" + Param_2_Cut + "&&" + Fit_Cut;
// Toys have a defined generation Value, Fits to Data DO NOT
// param1_gen != notgen
TString p1isatoy = "(abs(" + param1_gen + "-" + notgen + ")>" + Double_Tolerance + ")";
// param2_gen != notgen
TString p2isatoy = "(abs(" + param2_gen + "-" + notgen + ")>" + Double_Tolerance + ")";
// Combine the individual Cuts
TString Toy_Cut_String = p1isatoy + "&&" + p2isatoy;
// Check for Toys in the file and wether I should run the FC code
allresults->Draw( NLL, Toy_Cut_String, "goff" );
bool Has_Toys = allresults->GetSelectedRows() > 0;
cout << endl << "NUMBER OF TOYS IN FILE:\t" << allresults->GetSelectedRows() << endl;
if( int(allresults->GetEntries() - allresults->GetSelectedRows()) == 0 )
{
cerr << "SERIOUS ERROR:\tSOMETHING HAS REALLY GOTTEN SCREWED UP!" << endl;
exit(-3498);
}
// Fit values for the global fit are now stored in:
//
// Global_Best_NLL, best_fit_values, x_point, y_point
// Tell the user
cout << "GLOBAL DATA BEST FIT NLL:\t" << setprecision(10) << Global_Best_NLL << "\tAT:\tX:" << setprecision(10) << x_point << "\tY:\t" <<setprecision(10)<< y_point << endl;
// Check wether the minima as defined from the Global fit is the true minima within the phase-space
//Check_Minima( allresults, Fit_Cut_String, &Global_Best_NLL, NLL, Double_Tolerance, param1_val, param2_val );
TString NLL_Min; // Of course ROOT doesn't have USEFUL constructors!
NLL_Min+=Global_Best_NLL;
// Plot the distribution of successfully fitted grid points for the PLL scan
// NB: For FC this will likely saturate due to multiple layers of fits
cout << endl << "FOUND UNIQUE GRID POINTS, PLOTTING" << endl;
LL2D_Grid( allresults, Fit_Cut_String, param1string, param2string, rand_gen, "LL", outputdir );
// Construct a plot string for the NLL plot and plot it