On Thu, 18 Jan 2001, Rene Brun wrote: > Hi Jayoung, > > A branch of a TTree can in principle be any TObject. But it must be > an object in memory. If your ntuple fits in memory, a TTree branch > may be a pointer to this TTree (use non-split mode). > I do not understand the problem you want to solve with this idea. > > > Rene Brun > Thanks, Rene. ------- Part of my program ------------ TTree *my_tree = new TTree("EVENT","Event Tree"); TNtuple *my_header = new TNtuple("my_header","EVENT HEADER","evtno:time:type"); TNtuple *my_data = new TNtuple("my_data","Raw Data","address:value"); ... ------ My problem ------------------------------ Later I'll fill ntuples. Before fill those ntuples, I want to create two branches of my_tree. One is for my_header and the other for my_data. My problem is I do not know how to create the branches. I mean syntex wise. Is this right way? TBranch *branch1 = my_tree->Branch("Header",my_header); ------------- Thanks a lot! Jayoung
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