Dear rooters, Is it possible to define Array of TCuts? I tried to make the following - and it does not work: { gROOT->Reset(); TFile *f = new TFile("exe.root"); TTree *dt = (TTree*)f->Get("probe"); char name[100]; const Int_t n = 9; TCut Ctrk[n]; Float_t x; TCanvas* can= new TCanvas("can","TCut test"); can->Divide(3,3); for (i=0;i<n;i++) { can->cd(i+1); x = 10.*i; sprintf(name,"N_Trk < ",x); Ctrk[i] = name; dt->Draw("M_eff", Ctrk[i]); } f->Close(); } Thank you in advance, Elena Vataga
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