[ROOT] Update Tree Branch

From: Mark Polsen (mpolsen@citrus.ucr.edu)
Date: Tue Aug 21 2001 - 04:32:12 MEST


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Hi Rooters,

I have a questions about Tree branches that I cannot find an answer to in the 
documentation or mailing list. I'm currently using Root Trees to write event 
information in my Geant4 simulation at the end of each event. I write out hit 
information, run and event numbers, etc...

I've added additional branches to record track information. Is there a way 
that I can only update the individual branches (containing track information) 
without having to update entire tree (without updating event information)?

Currently, when I fill the tree when each track is created, duplicate entries 
are recorded about the event information which is supposed to only be 
recorded at the end of each event.

Regards,
Mark



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