> If there is 10 events and ntrack=3 for each event, > if I do : t->Draw("var1"); I see 30 entries in my plot > t->Draw("var3"); I see 60 entries in my plot > > How can I do the equivalent of nt/plo 2.var3(ntrack,1) and > nt/plo 2.var3(ntrack,2), to see only the 30 entries corresponding to my > splitted variables. Hi Sabine, In recent versions of ROOT you can do: t->Draw("var3[][0]"); t->Draw("var3[][1]"); Philippe.
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