Hi, Is there any way (using the ROOT Dictionnary, I guess) to know if a given class has a "home-made" streamer (vs automatic one) ? The idea is to be able to loop over some objects in memory (all deriving from TObject) and create TBranches for them, in order to put them in a TTree later on. My wondering is about the split level to put in the TBranch ctor. If I understand correctly the documentation (http://root.cern.ch/root/html/TTree.html#TTree:Branch), a special split number (split<0) must be given if a class has a custom streamer, hence the question above. Thanks for your help, Best regards, -- Dr. Laurent APHECETCHE (mailto:aphecetc@in2p3.fr) (IN2P3-CNRS) SUBATECH-EMN-4 rue Alfred Kastler-BP 20722-44307 NANTES cedex 03 TEL (+33/0) 2 51 85 84 17 - FAX (+33/0) 2 51 85 84 24 (France) Collaborations PHENIX http://www.phenix.bnl.gov/~aphecetc et MEGAPIE.
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