[Halld-online] F1 TDC trig_time ?

[David Lawrence]

Hi Offliners,

  Does anyone know if the “trig_time” member of the DF1TDCHit objects is being used
anywhere? This is a 9bit number that comes in as a separate word in the F1 data.
It is different from the 16bit “time” member which contains the actual measurement.
It is also not to be confused with the 40bit value in the DF1TDCTriggerTime objects.

The reason I’m asking is because I’m considering dropping the chip header word
that contains this value when reconstituting single events required for L3 output.
This simplifies some code and makes the data a little more compact.

Let me know if this is being used for anything and I’ll make sure it gets put in there.
Otherwise, I will probably omit it.

Regards,
-David