assert start < stop, (f"start ({start}) must be smaller than "
f"stop ({stop}) for {k}")
limits = motor.limits
if any(not (limits[0] < v < limits[1]) for v in (start, stop)):
raise LimitError(f"your requested {k} values are out of limits for "
"the motor "
f"{limits[0]} < ({start}, {stop}) < {limits[1]}")
def _get_v_with_dflt(sig, dflt):
ret = yield from bps.read(sig)
return ret[sig.name]["value"] if ret is not None else dflt
x_centers = Signal(value=[], name="x_centers", kind="normal")
x_centers.tolerance = 1e-15
y_centers = Signal(value=[], name="y_centers", kind="normal")
y_centers.tolerance = 1e-15
z_centers = Signal(value=[], name="z_centers", kind="normal")
z_centers.tolerance = 1e-15
def xy_fly(
scan_title,
*,
beamline_operator,
dwell_time,
xstart,
xstop,
xstep_size,
ystart,
# and maybe the xspress3
if xspress3 is not None:
yield from bps.read(xspress3)
yield from bps.save()
for y in range(num_ypixels):
if xspress3 is not None:
yield from bps.mov(xspress3.fly_next, True)
yield from fly_row()
yield from fly_body()
E_centers = Signal(value=[], name='E_centers', kind='normal')
E_centers.tolerance = 1e-15
def E_fly(scan_title, *, start, stop, step_size, num_scans):
_validate_motor_limits(mono.energy, start, stop, 'E')
assert step_size > 0, f'step_size ({step_size}) must be more than 0'
assert num_scans > 0, f'num_scans ({num_scans}) must be more than 0'
e_back = yield from _get_v_with_dflt(mono.e_back, 1977.04)
energy_cal = yield from _get_v_with_dflt(mono.cal, 0.40118)
def _linear_to_energy(linear):
linear = np.asarray(linear)
return (e_back / np.sin(
np.deg2rad(45) + 0.5 * np.arctan((28.2474 - linear) / 35.02333) +
np.deg2rad(energy_cal) / 2))
