{ gSystem->Load("libPWG2LRC"); TH1D *gaus = new TH1D("gaus","source hist",1000,-5,5); gaus->FillRandom("gaus",10000); TH2D *source = new TH2D("NN","NN Test",100,0,100,100,0,100); Double_t x, y; for (Int_t i=0;i<10000;i++) { x = 10 * (gaus->GetRandom() + 5); y = 0.678 * (x + gaus->GetRandom() * 15); //Create source 2D histogram with correlation coefficient 0.678 source->Fill(x,y); } //Create TNN class encapsulated NN correlation algorithms //2D histogram pass into TNN constructor AliLRCNN final1("name", source); TCanvas *c1 = new TCanvas("c1","c1",800,1000); c1->Divide(3); c1->cd(1); source->Draw(); c1->cd(2); final1.Draw_abs(); c1->cd(3); final1.Draw_rel(); c1->cd(); AliLRCNN final2; final2.MakeHistogramm("name", source); TCanvas *c2 = new TCanvas("c2","c2",800,1000); c2->Divide(3); c2->cd(1); source->Draw(); c2->cd(2); final2.Draw_abs(); c2->cd(3); final2.Draw_rel(); c2->cd(); }