Re: TH1 as TTree branch??

William J Deninger (deninger@uiuc.edu)
Sat, 4 Apr 1998 04:06:34 -0600

Does this also apply to classes inheriting TH1F? (Further modification of
my analysis code has brought about this question)

William Deninger

-----Original Message-----
From: Rene Brun <brun@hpbrun.cern.ch>
To: William J Deninger <deninger@uiuc.edu>
Cc: roottalk <roottalk@hpsalo.cern.ch>
Date: Monday, March 09, 1998 3:12 PM
Subject: Re: TH1 as TTree branch??

>Yes, you can have a TH1F as a data member in a TBranch.
>We give an example in $ROOTSYS/test/Event.
>See the list of possibilities at URL:
> http://root.cern.ch/root/HowtoWriteTree.html
>
>Rene Brun
>
>
>
>On Mon, 9 Mar 1998, William J Deninger wrote:
>
>> Hello,
>>
>> Is it possible to have a TH1F histogram as a data member in a TTree
branch? I remember reading something about this, but I wasn't able to find
it in root talk previous.
>>
>> //_________________________
>> // header file
>> class TRawData
>> {
>> public:
>> TH1F histogram;
>> }
>>
>> //_________________________
>> // Cint
>> TRawData *raw = new TRawData;
>> TTree *tree = new TTree("traceback","Raw event data");
>> tree->Branch("raw","TRawData",&raw,16000,1);
>>
>> William J Deninger
>> deninger@uiuc.edu
>>
>>
>