Dear Rooters. Simple question. I have a global data buffer which is filled by some external function. How can I fill the TBranch with this data. I don't like to create local copy of this data wrapped by some class to avoid copy overhead. Something like this: Int_t data[100]; TFile *f = new TFile("f.root","RECREATE"); TTree *tr = new TTree("tr","Tree"); tr->Branch("data",data,"some leaf list - i dont know the form",1024); //loop fillDataArray(data); tr->Fill(); //end loop Thanks. Stas.
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