grid_scan_instruction.py

# you have two options:

# assume you are using diff_x for x-motor and diff_y for y-motor.
# CHECK with wh_pos() !!! (but I think it is)

import bluesky.plans as bp
from cycler import cycler

# option1 : continuous trajactory with sneak pattern. scan diff_x from 1 to 3 with 3 stepes, same for diff_y
#           change the argument as needed
_v1 = bp.outer_product_scan([xpd_configuration['area_det'], diff_x, diff_y], diff_x, 1, 3, 3, diff_y, 1, 3, 3, True)
grid_scan_v1 = bp.subs_wrapper(_v1, LiveTable([xpd_configuration['area_det'], diff_x, diff_y]))

# option2 : more flexible scan stpes but no sneak pattern scan diff_x from 1 to 3 with 3 stepes, same for diff_y
#           change the argument as needed

traj1 = cycler(diff_x, [1,2,3])
traj2 = cycler(diff_y, [1,2,3])

_v2 = bp.scan_nd([xpd_configuration['area_det'], diff_x, diff_y], traj1*traj2)
grid_scan_v2 = bp.subs_wrapper(_v2, LiveTable([xpd_configuration['area_det'], diff_x, diff_y]))

# both can be run with xrun
xrun(<sample_ind>, grid_scan_v1)  # or v2, depends on you


# after scan
# save tiffs
save_last_tiff()
# save livetable
tb = db.get_table(db[-1])  # a panda DF
tb.to_csv(<full_filename_you_want>)