Hi Glen,
Sorry, I overlooked the problem. I understand the point.
I will fix this particular case with goff.
Rene Brun
On Sat, 29 Sep 2001, Glen R. Salo wrote:
> Hi Rene,
>
> I'm sorry, but I don't quite understand. Try the following
>
> TFile f("Event.root");
> TTree *t = (TTree *)f.Get("T");
>
> gObjectTable->Print() indicates there are no TH1F's and TAxis's.
>
> Now do
>
> for (Int_t i=0; i<1000; i++) t->Draw("fNtrack");
>
> gObjectTable->Print() indicates there are 2 TH1F and 6 TAxis. If I
> delete the TCanvas, gObjectTable->Print() shows there are 1 TH1F and 3
> TAxis.
>
> Now type:
>
> for (Int_t i=0; i<1000; i++) t->Draw("fNtrack","","goff");
>
> and gObjectTable->Print() shows there are 1001 TH1F and 3003 TAxis.
>
> if I type:
>
> delete t;
> f.Close();
>
>
> gObjectTable->Print() still shows 1001 TH1F and 3003 TAxis.
>
> I don't think that is correct. If it is, please let me know how to get
> rid of the TH1F's and TAxis's.
>
> Thanks for all of your help. The support for ROOT has been outstanding.
>
> Glen
>
>
> On 29-Sep-2001 Rene Brun wrote:
> > Hi Glen,
> >
> > This is hopefully the expected behaviour. You should delete t
> > in your loop.
> >
> > Rene Brun
> >
> > On Fri, 28 Sep 2001, Glen R. Salo wrote:
> >
> >> The following snip of code creates 1001 TH1F's and 3003 TAxis's on the
> >> heap. I did not expect this behavior? Am I doing something wrong?
> >>
> >> TFile f("Event.root")
> >> TTree *t = (TTree *)f.Get("T")
> >> for (Int_t i=0; i<1000; i++) t->Draw("fNtrack","","goff");
> >> gObjectTable->Print();
> >>
> >> I am running the latest CVS on a RedHat 7.1 PC.
> >>
> >> Thanks,
> >>
> >> Glen
> >>
>
>
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