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to use the real STT Pattern Recognition [message #10156] Tue, 09 February 2010 14:28
Gianluigi Boca is currently offline  Gianluigi Boca
Messages: 177
Registered: March 2004
first-grade participant
From: *gsi.de
hi,
if you want to use the real pattern recognition for the STT, you can use for instance
$VMCWORKDIR/macro/stt/runreco.C

with the following modification.
Instead of the line
PndSttTrackFinderIdeal* sttTrackFinder = new PndSttTrackFinderIdeal(iVerbose);

replace it with
PndSttTrackFinderReal* sttTrackFinder = new PndSttTrackFinderReal(iVerbose);

If you do that, you re going to have at your disposal for further analysis tasks and for each event a TClones array of PndTrackCand each cointaining :

- initial Px of the candidate track at the origin (0,0,0)
- initial Py "
- initial Pz "
- Charge/Total Momentum of the track candidate
- the ORDERED list of hit NUMBERS belonging to the candidate track. Here ordered means from the hit nearest to the vertex to the further away along the Helix trajectory

Cheers Gianluigi
 
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