Hi Bill: - fUniqueID is not used yet, I guess it can be used for whatever purpose you might need it; - you can 24 out of 32 fBits, the rest 8 are used by the system (ROOT). -pasha. William Love writes: > ROOT answerpeople > > I have graduated from ntuples to a tree of ClonesArrays which is > a big improvement in many ways. I see, when I do tree->Print(), > variables called fUniqueId and fBits for each of my objects. > UniqueId sounds like a great thing but all of mine are zero. > Maybe I need to look harder but I haven't seen this mentioned. > Can you tell me how to get useful information into and out of fUniqueID? > > Thanks > Bill Love
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