Hi Elena,
Elena Vataga wrote:
>
> Hello!
>
> I failed to find on root page the following info:
> I need to other-pose plots from 2 different files
> (made with the same code, so histogram names are the same)
> How I could write in root equivalent of the following
> paw input:
>
> PAW> hi/fi 1 file1.hbook
> PAW> hi/fi 2 file2.hbook
> PAW> nt/pl //lun1/1.px
> PAW> nt/pl //lun2/1.px ! ! ! ! ! s
>
Assuming that "t" is the name of your Tree in both files, do:
root > TFile f1("file1.root")
root > TTree *t1 = (TTree*)f1.Get("t");
root > TFile f2("file2.root")
root > TTree *t2 = (TTree*)f2.Get("t");
root > t1->Draw("px")
root > t2->Draw("px")
Rene Brun
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