fb_body = fb_body.cumsum(dim=2)
fb_start = fb_start * (fb_body == 1)
- # t_s = t0-(t0//L * R)*L
-
+ # Set a origin source time (at what time start the chunck to copy
+ # here) We set it as a multiple of CL to be consistent with the
+ # "rolling" caterpillar
t = torch.arange(fb_start.size(2), device=fb_start.device)[None, None, :]
src_time = fb_start * (
t