I would like to know how, givein a pointer to a histogram, I can determine if it is a 1d or 2d histogram (so that I can decide to turn on lego or box)
thanks
->ClassName ()
You can use
h->GetDimension(); // =1 for any TH1, =2 for any TH2, =3 for TH3
or
if (h->InheritsFrom("TH2")) {..} //can be any TH2 or TH3
if (h-IsA() == TH2F::Class() {..} //test if h is a TH2F
Rene