def close_scan(self):
# go smoothly to start position
if self._back_to_zero:
print('\nGoing back to 0 V on scanners...')
move_smooth(self._scanner_axes, targets=[0, 0])
print(
'\nSCAN COMPLETED\n' +
'X from {:.2f} V to {:.2f} V with step size {:.2f} V (nb of steps: {})\n'
.format(self.xPositions[0], self.xPositions[-1], self.xStep,
self.xNbOfSteps) +
'Y from {:.2f} V to {:.2f} V with step size {:.2f} V (nb of steps: {})\n'
.format(self.yPositions[0], self.yPositions[-1], self.yStep,
self.yNbOfSteps) +
'Total number of steps: {}'.format(self.totalNbOfSteps))
self.close_instruments()
def initialize_scan(self):
self.init_detectors(self._detectors)
self.init_scanners(self._scanner_axes)
print('Total number of steps: {}\n'.format(self.totalNbOfSteps) +
'X number of steps: {}\n'.format(self.xNbOfSteps) +
'Y number of steps: {}'.format(self.yNbOfSteps))
self._start_time = 0
self._first_point = True
self._idx = 0
self._id_x = 0
self._id_y = 0
self._firstInRow = True
move_smooth(self._scanner_axes,
targets=[self.xPositions[0], self.yPositions[0]])
print('\nScanners are at start position. Waiting for acquisition.\n')
print('step \tx (V)\ty (V)')
def run_scan(self,
close_instruments=True,
silence_errors=True,
do_move_smooth=True):
try:
self.init_detectors(self._detectors)
self.init_scanners(self._scanner_axes)
print('Total number of steps: {}\n'.format(self.totalNbOfSteps) +
'X number of steps: {}\n'.format(self.xNbOfSteps) +
'Y number of steps: {}'.format(self.yNbOfSteps))
start_time = 0
first_point = True
idx = 0
if do_move_smooth:
move_smooth(self._scanner_axes,
targets=[self.xPositions[0], self.yPositions[0]])
print(
'\nScanners are at start position. Waiting for acquisition.\n')
print('step \tx (V)\ty (V)')
for id_y, y in enumerate(self.yPositions):
firstInRow = True
for id_x, x in enumerate(self.xPositions):
idx += 1
self._scanner_axes[0].move(x)
try:
self._scanner_axes[1].move(y)
except IndexError:
pass
# display update
print('{}/{} \t{:.1f} \t{:.1f}'.format(
idx, self.totalNbOfSteps, x, y))
# For first point may wait for a reaction
# (when acquisition is launched in WinSpec and the old Acton spectrometers)
if first_point:
self.wait_first_point(self._detectors)
start_time = time.time()
first_point = False
else:
if idx % 10 == 0:
self.print_elapsed_time(
start_time=start_time,
current_index=idx,
total_nb_of_steps=self.totalNbOfSteps)
# delay between rows
if firstInRow:
time.sleep(self.delayBetweenRows)
firstInRow = False
# delay between points
time.sleep(self.delayBetweenPoints)
# trigger exposure / detector measurement
if self._detectors is not None:
for i, detector in enumerate(self._detectors):
getattr(self, 'detector_readout_' +
str(i))[id_x, id_y] = detector.readout()
time.sleep(
self.max_delay_after_readout
) # some old devices will not react immediately to say they are integrating
# wait for detector to say it finished
self.wait_for_ready(self._detectors)
# move back to first point of row smoothly
if y != self.yPositions[-1]:
self._scanner_axes[0].move_smooth(
target=self.xPositions[0])
# go smoothly to start position
if do_move_smooth:
if self._back_to_zero:
print('\nGoing back to 0 V on scanners...')
move_smooth(self._scanner_axes, targets=[0, 0])
print(
'\nSCAN COMPLETED\n' +
'X from {:.2f} V to {:.2f} V with step size {:.2f} V (nb of steps: {})\n'
.format(self.xPositions[0], self.xPositions[-1], self.xStep,
self.xNbOfSteps) +
'Y from {:.2f} V to {:.2f} V with step size {:.2f} V (nb of steps: {})\n'
.format(self.yPositions[0], self.yPositions[-1], self.yStep,
self.yNbOfSteps) +
'Total number of steps: {}'.format(self.totalNbOfSteps))
except KeyboardInterrupt:
print('\n#### Program interrupted by user. ####')
close_instruments = True
except:
close_instruments = True
if not silence_errors:
raise
finally:
if close_instruments:
print("Closing all instruments.")
self.close_instruments()