Script execution
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gac-x03da
213
script/users/TUM_multi_XPS_2019.py
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213
script/users/TUM_multi_XPS_2019.py
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"""
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Arguments:
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"""
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LATENCY = 0.0
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MOTORS = [Eph]
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#workfunction = 4.3eV
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#262eV : KE = 70eV for B 1s
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#200eV : KE = 70eV for Ge 3p
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#POSITIONS_dummy = [300]
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#REGION_dummy = {'name': 'dummy', 'elo': 398., 'ehi': 405., 'estep': 1, 'epass': 10, 'tstep': 0.5, 'iter': 1, 'cis': True}
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#REGIONS_dummy = [REGION_dummy]
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POSITIONS_1 = [70]
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REGION_1 = {'name': 'VB', 'elo': 121., 'ehi': 133., 'estep': 1, 'epass': 10, 'tstep': 0.5, 'iter': 1, 'cis': True}
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REGIONS_1 = [REGION_1]
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POSITIONS_2 = [69]
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REGION_2 = {'name': 'VB', 'elo': 55., 'ehi': 68., 'estep': 1, 'epass': 10, 'tstep': 0.5, 'iter': 1, 'cis': True}
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REGIONS_2 = [REGION_2]
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CLOSE_SHUTTER_AT_END = True
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Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept)
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class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
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def initialize(self):
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#super(SpectrumReader, self).initialize()
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self.scan_index = -1
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def create_datasets(self):
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path = get_exec_pars().scanPath + self.region_name + "/"
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self.channel_begin_dataset_name = path + "ScientaChannelBegin"
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self.channel_end_dataset_name = path + "ScientaChannelEnd"
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self.pass_energy_dataset_name = path + "ScientaPassEnergy"
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self.step_energy_dataset_name = path + "ScientaStepEnergy"
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self.step_time_dataset_name = path + "ScientaStepTime"
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self.iterations_dataset_name = path + "ScientaIterations"
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create_dataset(self.channel_begin_dataset_name, 'd')
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create_dataset(self.channel_end_dataset_name, 'd')
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create_dataset(self.pass_energy_dataset_name, 'd')
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create_dataset(self.step_energy_dataset_name, 'd')
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create_dataset(self.step_time_dataset_name, 'd')
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create_dataset(self.iterations_dataset_name, 'd')
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def setup(self):
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if self.scan_index != get_exec_pars().index:
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self.scan_index = get_exec_pars().index
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self.create_datasets()
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if self.region_index == 0:
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print "scan {0}: Polar = {pol}, Azimuth = {azm}, x = {X}, y = {Y}, z = {Z}".format(self.scan_index,pol=self.sample_pos[0],azm=self.sample_pos[1],X=self.sample_pos[2],Y=self.sample_pos[3],Z=self.sample_pos[4])
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ephot = Eph.read()
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try:
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if self.region['cis']:
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edelta = ephot - self.ephot_start
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else:
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edelta = 0.0
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except AttributeError:
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self.ephot_start = ephot
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edelta = 0.0
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elo = self.region['elo'] + edelta
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ehi = self.region['ehi'] + edelta
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Scienta.lowEnergy.write(elo)
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Scienta.highEnergy.write(ehi)
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Scienta.stepSize.write(self.region['estep'])
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Scienta.setPassEnergy(self.region['epass'])
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Scienta.stepTime.write(self.region['tstep'])
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Scienta.setIterations(self.region['iter'])
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Scienta.update()
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append_dataset(self.channel_begin_dataset_name, elo)
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append_dataset(self.channel_end_dataset_name, ehi)
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append_dataset(self.pass_energy_dataset_name, self.region['epass'])
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append_dataset(self.step_energy_dataset_name, self.region['estep'])
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append_dataset(self.step_time_dataset_name, self.region['tstep'])
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append_dataset(self.iterations_dataset_name, self.region['iter'])
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def read(self):
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global current_region_index
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current_region_index = self.region_index
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self.setup()
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print "Photon energy {ephot} eV. Acquiring spectrum {elo}-{ehi} eV.".format(ephot=Eph.read(), elo=Scienta.lowEnergy.value, ehi=Scienta.highEnergy.value)
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trig_scienta()
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time.sleep(0.5)
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sp = Scienta.getSpectrum().read()
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return sp
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def getSize(self):
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nx = int((self.region['ehi'] - self.region['elo']) / self.region['estep']) + 1
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return nx
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class ImageReader(ReadonlyRegisterBase, ReadonlyRegisterMatrix):
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def read(self):
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return Scienta.getDataMatrix().read()
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def getWidth(self):
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nx = int((self.region['ehi'] - self.region['elo']) / self.region['estep']) + 1
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return nx
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def getHeight(self):
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ny = Scienta.slices.read()
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return ny
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def setup_live_plots(regions):
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global live_plots
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global current_region_index
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names = [region['name'] for region in regions]
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live_plots = plot(None, names, title="Live Spectra")
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current_region_index = 0
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def update_live_plots():
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global live_plots
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global current_region_index
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try:
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while get_context().state.running:
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y = Scienta.spectrum.take(100)
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x = Scienta.spectrumX
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try:
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series = live_plots[current_region_index].getSeries(0)
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series.setData(x, y)
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except IndexError:
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pass
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time.sleep(1.0)
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finally:
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print "Stopping live spectra"
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def do_scan(motors, positions, regions, latency, sample_position):
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global SENSORS
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SENSORS = []
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for (index, region) in enumerate(regions):
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reader = SpectrumReader()
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reader.sample_pos = sample_position
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reader.region_index = index
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reader.region_name = "region{0}".format(index + 1)
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reader.region = region
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reader.initialize()
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set_device_alias(reader, reader.region_name + "/ScientaSpectrum")
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SENSORS.append(reader)
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image = ImageReader()
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image.region_index = index
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image.region = region
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image.initialize()
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set_device_alias(image, reader.region_name + "/ScientaImage")
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SENSORS.append(image)
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SENSORS.append(SampleCurrent)
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SENSORS.append(RefCurrent)
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adjust_sensors()
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set_adc_averaging()
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vscan(motors, SENSORS, positions, True, latency,False, before_read=wait_beam, after_read = after_readout)
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for (index, region) in enumerate(regions):
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set_attribute(get_exec_pars().scanPath + "region{0}/ScientaSpectrum".format(index + 1), "RegionName", region['name'])
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set_attribute(get_exec_pars().scanPath + "region{0}/ScientaImage".format(index + 1), "RegionName", region['name'])
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set_attribute(get_exec_pars().scanPath, "Regions", [region['name'] for region in regions])
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#set_attribute(get_exec_pars().scanPath + + "region{0}/Polar".format(index + 1), "Polar", polar)
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#set_attribute(get_exec_pars().scanPath + + "region{0}/Azimuth".format(index + 1), "Azimuth", azimuth)
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try:
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setup_live_plots(REGIONS_B)
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task = fork(update_live_plots)
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# theta (polar), phi (azimuth), x, y, z
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sample_pos = [[-9.1,-90.0,-0.6, -0.5, 114.8],
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[-9.1,-90.0,-0.6, -0.5, 114.8],
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[-9.1,-90.0,-0.6, -0.5, 114.8],
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[-9.1,-90.0,-0.6, -0.5, 114.8]]
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for (index, nn) in enumerate(sample_pos):
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polar = nn[0]
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azimuth = nn[1]
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ManipulatorX.move(nn[2])
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ManipulatorY.move(nn[3])
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ManipulatorZ.move(nn[4])
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ManipulatorTheta.move(polar)
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#ManipulatorPhi.move(nn[1])
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if index == 0:
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#do_scan(MOTORS, POSITIONS_QUICK, REGIONS_QUICK, LATENCY, nn)
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do_scan(MOTORS, POSITIONS_1, REGIONS_1, LATENCY, nn)
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do_scan(MOTORS, POSITIONS_2, REGIONS_2, LATENCY, nn)
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#elif index == 1:
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#do_scan(MOTORS, POSITIONS_QUICK, REGIONS_QUICK, LATENCY, nn)
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#do_scan(MOTORS, POSITIONS_dummy, REGIONS_dummy, LATENCY, nn)
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#do_scan(MOTORS, POSITIONS_3, REGIONS_3, LATENCY, nn)
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#elif index == 2:
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#do_scan(MOTORS, POSITIONS_4, REGIONS_4, LATENCY, nn)
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#do_scan(MOTORS, POSITIONS_5, REGIONS_5, LATENCY, nn)
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#elif index == 3:
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#do_scan(MOTORS, POSITIONS_6, REGIONS_6, LATENCY, nn)
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#do_scan(MOTORS, POSITIONS_7, REGIONS_7, LATENCY, nn)
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#do_scan(MOTORS, POSITIONS_dummy2, REGIONS_dummy2, LATENCY, nn)
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#do_scan(MOTORS, POSITIONS_8, REGIONS_8, LATENCY, nn)
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finally:
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if CLOSE_SHUTTER_AT_END:
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after_scan()
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