1000000             # total photon, not used
12345678            # RNG seed, negative to generate
10.0 10.0 -2.0      # source position (mm)
0. 0. 1.            # initial directional vector
0.0 2e-9 2e-9       # time-gates(s): start, end, step
replaywide          # volume ('uchar' format)
-1                  # initial eid
1 0                 # detector number and radius (mm)
10.0 10.0 20.1 0.0	# detector 1 position (mm)
pattern
40.0 0.0 0.0 40     # source param1
0.0 40.0 0.0 40     # source param2
pattern0.pat        # pattern file name
40.0 0.0 0.0 40     # detector param1
0.0 40.0 0.0 40     # detector param2
