[Gate-users] missing event IDs in hits file

[Rajaram, Ramya (H USA)]

Dear Gaters,
 
I am currently trying to simulate a very simple set-up: a point source
at a certain distance from a detector inside a SPECThead. All the
volumes are attached to either phantomSD or crystalSD. ASCII output is
enabled and in the Hits.dat file that is generated after the simulation,
some eventIDs are missing. Why would that be? I thought eventID is the
one unique and continuous column that helps keep track of all the list
mode information across the Hits, Singles, SinglesAdder,
SinglesBlurring, etc data files. Is that not right? 
 
Any help is greatly appreciated,
 
Thank you,
 
Ramya