Hi Giuseppe,
I have no problems in doing that.
Which version of Root are you using?
Could you send me your Root file?
Rene Brun
On Fri, 29 Nov 2002, [iso-8859-1] giuseppe.foggi@libero.it wrote:
> Hi rooters,
> I try add histogram with the following command
>
> TFile f("CommonTotaleM.root")
> TH1F *h = (TH1F*)f.Get("BASE_ALL_M")
> h->Add(h)
>
> but I get
> *** Break *** segmentation violation
>
> Why?
>
> If I try
>
> TFile f("CommonTotaleM.root")
> TH1F *h = (TH1F*)f.Get("BASE_ALL_M")
> h->Draw()
>
> It displays my histogram, but if after I try to execute the following
> command
>
> h->Add(h)
>
> I get
> Error: Symbol h is not defined in current scope
> FILE:/tmp/filensNVWl_cint LINE:1
> *** Interpreter error recovered ***
>
> Why?
>
>
> Thank you for your help.
> Giuseppe.
>
>
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