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mistery [message #12615] Sun, 04 September 2011 00:01 Go to next message
Gianluigi Boca is currently offline  Gianluigi Boca
Messages: 177
Registered: March 2004
first-grade participant
From: *
I run some macros from svn generating 20 events of Eta_c :


When I count the n. of entries in the root files I find:

20 evts in evt_points_stt.root (right!)
21 evts in evt_digi_stt.root (ok, this is the extra evt by
22 evts in evt_reco_stt.root (what ????????)
21 evts in evt_pid_stt.root (coherent with evt_digi_stt.root)

Has anybody an explanation for these 22 evts ? Can I consider
the first 20 evts aligned anyways?

Thanks in advance Gianluigi
Re: mistery [message #12616 is a reply to message #12615] Sun, 04 September 2011 00:08 Go to previous message
StefanoSpataro is currently offline  StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino
first-grade participant

From: *
the first 20 events are always aligned.
The number of events is equal to the number of events of the input file +1.

points -> 20
digi = points + 1 = 21
reco = digi + 1 = 22
pid = points + 1 = 21

In reco macro the input file is digi (21), and points is added as friend.
In pid macro the input file is points (20), and digi/reco are added as friends.

I hope I made everything clear.
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