Prepace in PSD example

Question

Hi all,

I’m working on the Phase Singularity Distribution experiment from Example 21 (Reentry Induction Protocols). While looking through the induceReentry.py file—specifically the PSD function—I noticed the following parameter settings:

'-prepacing_lats', job.ID + '/LATS.dat', '-prepacing_beats', 100, '-prepacing_bcl', args.PSD_bcl

From my understanding, these parameters seem to control the prepacing phase. Could someone clarify what each of these commands actually does? I wasn’t able to find detailed documentation explaining them.

In particular, does this mean that the tissue will be prepaced for 100 beats at the specified basic cycle length before the PSD protocol runs and the rotor is induced? Or is the intended workflow to run the prepacing protocol separately, save the resulting state, and then use that as the starting point for PSD?

I’m trying to better understand the correct approach for prepacing the tissue, so any clarification would be greatly appreciated. Thank you in advance!