[gate-users] coincidences from hits and singles

[Fernando Rannou]

Hi Ross,
Yes, in my case the hit file is 391M and it takes 1 hrs 30 min to get
produced
and the singles is 55M and it takes approx. 10-15 min.


Fernando

On Thu, 2005-08-04 at 14:18 -0400, Schmidtlein, Ross/Sloan-Kettering
Institute wrote:
> Hi Fernando,
> 
> It has been my experience that the DigiGate portion of Gate only
> produces coincidences from Hit files.  Which is a shame because they are
> typically much larger than Singles files.  I don't know if this has been
> added to the latest release of Gate but if not it would be nice to have
> in the near future.
> 
> ross
> 
> -----Original Message-----
> From: gate-users-bounces at lphe1pet1.epfl.ch
> [mailto:gate-users-bounces at lphe1pet1.epfl.ch] On Behalf Of Fernando
> Rannou
> Sent: Thursday, August 04, 2005 8:06 AM
> To: GATE feedback and helpline for Users
> Subject: [gate-users] coincidences from hits and singles
> 
> 
> Hello
> I'm trying to use DigiGate to produce coincidences
> from hits and also from singles, but I get two very different results.
> This is what I do:
> 
> 1) run the experiment and collect only hits with:
> /gate/output/root/setRootHitFlags 1 /gate/output/root/setRootSinglesFlag
> 0 /gate/output/root/setRootCoincidencesFlag 0
> 2) run exactly the same experiment and collect only singles with
> /gate/output/root/setRootHitFlags 0 /gate/output/root/setRootSinglesFlag
> 1 /gate/output/root/setRootCoincidencesFlag 0
> 3) run DigiGate on each ROOT output (with gate.root as input) and
> produce only coincidences as outputs, with:
> /gate/output/root/setRootHitFlags 0 /gate/output/root/setRootSinglesFlag
> 0 /gate/output/root/setRootCoincidencesFlag 1
> 
> 
> I get no coincidences from the singles data file. I'm
> not expecting to get the same results, but something similar in the
> statistical sense, because the experiment parameters (Activity, time,
> etc, are the same)
> 
> Has anybody histogram coincidences from singles with DigiGate?
> 
> Thanks for any suggestions
> 
> Fernando
> 
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> 
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