THStack normalization

Dear ROOTERS,

I would like to know if there’s a different way to normalize histograms after I added them in THStack ?

PS: I already Knew normalizing each one separately and then add a copy of them using this method h->Scale(1/h->Integral(),“width”).

another question: Is there any method like SetLineWidth() for THStack ? I do not want to Draw my histogram like discontinued point after normalizing them.

Thanks and best,

hstack->Draw("HIST"); // "HIST" or "NOSTACK HIST"

thanks that was useful, what about the first question I just wanna check
that I did everything right

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