Hi Bill,
I do not understand this problem. Could you send
-a very short data file
-a short script showing the problem
Rene Brun
> William Love wrote:
>
> Rooters
> I have been caught by this several times. I fill a root TTree including a
> TClones array called Tracks[]. The length of the array for each event
> is in a variable Ntrack. If I histogram Ntrack for 40 events I see an
> average of 415 entries per event or about 16600 tracks total.
> If however I do TTree->Draw("Tracks.phi") I get 21671 entries in the
> histogram and many are identical copies of phantom tracks from other
> events. Is there a simple (Short of TTree->MakeClass) way to tell
> Draw() to use the NTrack variable to limit the number of members of
> the Track[] array it uses?
> Bill Love
>
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