diff --git a/devices/ManipulatorCoolFlowSet.properties b/devices/ManipulatorCoolFlowSet.properties new file mode 100644 index 00000000..47276e93 --- /dev/null +++ b/devices/ManipulatorCoolFlowSet.properties @@ -0,0 +1,10 @@ +#Tue Apr 21 19:08:28 CEST 2020 +minValue=0.0 +unit=% +offset=0.0 +maxValue=0.0 +rotation=false +precision=1 +sign_bit=0 +scale=1.0 +resolution=NaN diff --git a/devices/ManipulatorTempA.properties b/devices/ManipulatorTempA.properties new file mode 100644 index 00000000..de43b874 --- /dev/null +++ b/devices/ManipulatorTempA.properties @@ -0,0 +1,10 @@ +#Tue Apr 21 19:08:28 CEST 2020 +minValue=0.0 +unit=K +offset=0.0 +maxValue=0.0 +rotation=false +precision=2 +sign_bit=0 +scale=1.0 +resolution=NaN diff --git a/script/users/monney/TemperatureRamp.py b/script/users/monney/TemperatureRamp.py new file mode 100644 index 00000000..7a5f1a87 --- /dev/null +++ b/script/users/monney/TemperatureRamp.py @@ -0,0 +1,56 @@ + +POSITIONERS = [dummy, ManipulatorCoolFlowSet] +RELATIVE = False +SENSORS = (Counts, SampleCurrent, RefCurrent, MachineCurrent, EnergyDistribution, AngleDistribution, Scienta.dataMatrix, ManipulatorTempA, ManipulatorTempB, ManipulatorCoolFlow) +LATENCY = 0.0 + +adjust_sensors() +set_adc_averaging() +set_exec_pars(compression=True) +set_preference(Preference.PLOT_TYPES, {'Scienta spectrum':1}) + + +def set_4f(): + Eph.move(200.) + Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept) + Scienta.lowEnergy.write(130.5) + Scienta.highEnergy.write(137.0) + Scienta.stepSize.write(0.01) + Scienta.setPassEnergy(int(50)) + Scienta.stepTime.write(0.0588) + Scienta.setIterations(1) + ExitSlit.write(200.) + Scienta.update() + +def set_survey(): + Eph.move(1500.) + Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept) + Scienta.lowEnergy.write(800.) + Scienta.highEnergy.write(1500.) + Scienta.stepSize.write(0.1) + Scienta.setPassEnergy(int(50)) + Scienta.stepTime.write(0.0588) + Scienta.setIterations(1) + ExitSlit.write(200.) + Scienta.update() + + +try: + set_survey() + lscan(POSITIONERS, SENSORS, (1., 10.), (1., 10.), 1, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout) + + set_4f() + lscan(POSITIONERS, SENSORS, (300., 15.), (10., 40.), 150, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout) + + set_survey() + lscan(POSITIONERS, SENSORS, (1., 40.), (1., 40.), 1, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout) + + set_4f() + lscan(POSITIONERS, SENSORS, (10., 20.), (300., 0.), 150, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout) + + set_survey() + lscan(POSITIONERS, SENSORS, (1., 0.), (1., 0.), 1, LATENCY, RELATIVE, before_read=before_readout, after_read = after_readout) + +finally: + if ENDSCAN: + after_scan() diff --git a/script/users/monney/TemperatureRampMultiRegion.py b/script/users/monney/TemperatureRampMultiRegion.py new file mode 100644 index 00000000..85256aa5 --- /dev/null +++ b/script/users/monney/TemperatureRampMultiRegion.py @@ -0,0 +1,285 @@ +""" +discrete temperature ramp + +positioners: +ManipulatorTempA - cryostat temperature (lakeshore) +ManipulatorCoolFlowSet - flow controller. range 0-40 + + +special notes: +- tstep will be rounded to a multiple of 0.0588 s. +- front-end and analyser slit cannot be set by the script + +""" + +MOTORS = [ManipulatorTempA, ManipulatorCoolFlowSet] +MOTORS = [dummy] + +POSITIONS_TEMP = [300., 280., 270., 260., 250., 240., 220., 200., 190., 175., 165., 150., 130., 110., 90., 70., 50., 30., 60., 80., 100., 110., 120., 150., 170., 190., 210., 230., 250., 260., 270., 280., 290.] +POSITIONS_FLOW = [ 0., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 40., 10., 10., 10., 10., 10., 10., 10., 10., 0., 0., 0., 0., 0., 0., 0.] +POSITIONS_SURVEY = [300., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 30., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0.] + +SCAN = 'vscan' + +# seconds to wait between positioning command and triggering the detector +LATENCY = 30.0 + + +# region setup +# +# for each region, define a python dictionary with the following items. +# optional items can be left unspecified and will default to the indicated values. +# for swept mode, include 'elo', 'ehi', 'estep', 'iter' values, but do not include 'efix'. +# for fixed mode, include 'efix' value, but do not include 'elo', 'ehi', 'estep', 'iter'. +# +# 'name': user-specific name of the region (for graph title and RegionName attribute in data file) +# 'elo': lower kinetic energy boundary of the spectrum +# 'ehi': upper kinetic energy boundary of the spectrum +# 'estep': energy step size +# 'efix': center kinetic energy in fixed mode +# 'epass': pass energy +# 'ephot': photon energy (default: unchanged) +# 'tstep': dwell time in seconds +# 'iter': number of iterations/sweeps (default 1) +# 'cis': True = constant initial state (photoemission line), False = constant final state (Auger peak), (default False) +# 'slit': exit slit (default: unchanged) + +REGION1 = {'name': 'survey', 'front': '5x8', 'slit': 200., 'ephot': 1500., 'epass': 50., 'aslit': 700, 'elo': 800., 'ehi': 1500., 'estep': 0.1, 'tstep': 0.0588, 'iter': 1, 'cis': False} +REGION2 = {'name': 'Ir 4f', 'front': '4x6', 'slit': 200., 'ephot': 200., 'epass': 50., 'aslit': 600, 'elo': 130.5, 'ehi': 137., 'estep': 0.01, 'tstep': 0.0588, 'iter': 1, 'cis': False} + +# list of region dictionaries to execute at each scan position +REGIONS = [REGION1, REGION2] + +# close beam shutter and turn off analyser at the end of the scan +CLOSE_SHUTTER_AT_END = True + + +# --- DO NOT EDIT BELOW THIS LINE! --- + +set_exec_pars(keep=False) + +def check_region(region): + """ + check region dictionary items and apply defaults where necessary + """ + region['fixed'] = 'efix' in region + if region['fixed']: + region['elo'] = region['efix'] + region['ehi'] = region['efix'] + if 'iter' not in region: + region['iter'] = 1 + print("region {0}: setting default iter = {1}".format(region['name'], region['iter'])) + if 'cis' not in region: + region['cis'] = False + print("region {0}: setting default cis = {1}".format(region['name'], region['cis'])) + +class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray): + def initialize(self): + #super(SpectrumReader, self).initialize() + self.scan_index = -1 + + def create_datasets(self): + path = get_exec_pars().scanPath + self.region_name + "/" + + if self.region['fixed']: + self.channel_center_dataset_name = path + "ScientaChannelCenter" + create_dataset(self.channel_center_dataset_name, 'd') + else: + self.channel_begin_dataset_name = path + "ScientaChannelBegin" + self.channel_end_dataset_name = path + "ScientaChannelEnd" + self.step_energy_dataset_name = path + "ScientaStepEnergy" + create_dataset(self.channel_begin_dataset_name, 'd') + create_dataset(self.channel_end_dataset_name, 'd') + create_dataset(self.step_energy_dataset_name, 'd') + + if 'epass' in self.region: + self.pass_energy_dataset_name = path + "ScientaPassEnergy" + create_dataset(self.pass_energy_dataset_name, 'd') + if 'tstep' in self.region: + self.step_time_dataset_name = path + "ScientaStepTime" + create_dataset(self.step_time_dataset_name, 'd') + if 'iter' in self.region: + self.iterations_dataset_name = path + "ScientaIterations" + create_dataset(self.iterations_dataset_name, 'd') + if 'slit' in self.region: + self.slit_dataset_name = path + "ExitSlit" + create_dataset(self.slit_dataset_name, 'd') + + def setup(self): + # print("spectrum.setup") + + if self.scan_index != get_exec_pars().index: + self.scan_index = get_exec_pars().index + self.create_datasets() + if self.region_index == 0: + print "scan {0}".format(self.scan_index) + + def setpos(self): + """ + set region positioners + """ + edelta = 0.0 + try: + ephot = self.region['ephot'] + Eph.move(ephot) + except KeyError: + ephot = Eph.take(100) + + if isinstance(ephot, float) and ephot > 0.: + try: + if self.region['cis']: + edelta = ephot - self.ephot_start + except AttributeError: + self.ephot_start = ephot + + elo = self.region['elo'] + edelta + ehi = self.region['ehi'] + edelta + + if self.region['fixed']: + Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Fixed) + Scienta.centerEnergy.write(elo) + append_dataset(self.channel_center_dataset_name, elo) + else: + Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept) + Scienta.lowEnergy.write(elo) + Scienta.highEnergy.write(ehi) + Scienta.stepSize.write(self.region['estep']) + append_dataset(self.channel_begin_dataset_name, elo) + append_dataset(self.channel_end_dataset_name, ehi) + append_dataset(self.step_energy_dataset_name, self.region['estep']) + + try: + Scienta.setPassEnergy(int(self.region['epass'])) + append_dataset(self.pass_energy_dataset_name, self.region['epass']) + except KeyError: + pass + + try: + Scienta.stepTime.write(self.region['tstep']) + append_dataset(self.step_time_dataset_name, self.region['tstep']) + except KeyError: + pass + + try: + Scienta.setIterations(self.region['iter']) + append_dataset(self.iterations_dataset_name, self.region['iter']) + except KeyError: + pass + + try: + ExitSlit.write(self.region['slit']) + append_dataset(self.slit_dataset_name, self.region['slit']) + except KeyError: + pass + + Scienta.update() + + def read(self): + # print("spectrum.read") + global current_region_index + current_region_index = self.region_index + self.setup() + self.setpos() + print("Acquiring region {0}.".format(self.region['name'])) + trig_scienta() + time.sleep(0.5) + sp = Scienta.getSpectrum().read() + return sp + + def getSize(self): + if self.region['fixed']: + nx = 992 + else: + nx = int((self.region['ehi'] - self.region['elo']) / self.region['estep']) + 1 + return nx + + +class ImageReader(ReadonlyRegisterBase, ReadonlyRegisterMatrix): + def read(self): + # print("image.read") + return Scienta.getDataMatrix().read() + + def getWidth(self): + if self.region['fixed']: + nx = 992 + else: + nx = int((self.region['ehi'] - self.region['elo']) / self.region['estep']) + 1 + return nx + + def getHeight(self): + ny = Scienta.slices.read() + return ny + +def setup_live_plots(regions): + global live_plots + global current_region_index + names = [region['name'] for region in regions] + live_plots = plot(None, names, title="Live Spectra") + current_region_index = 0 + +def update_live_plots(): + global live_plots + global current_region_index + try: + while get_context().state.running: + y = Scienta.spectrum.take(100) + x = Scienta.spectrumX + try: + series = live_plots[current_region_index].getSeries(0) + series.setData(x, y) + except IndexError: + pass + time.sleep(1.0) + finally: + print "Stopping live spectra" + +def do_scan(scan, motors, positions, regions, latency): + global SENSORS + + SENSORS = [] + + for (index, region) in enumerate(regions): + check_region(region) + + reader = SpectrumReader() + reader.region_index = index + reader.region_name = "region{0}".format(index + 1) + reader.region = region + reader.initialize() + set_device_alias(reader, reader.region_name + "/ScientaSpectrum") + SENSORS.append(reader) + + image = ImageReader() + image.region_index = index + image.region = region + image.initialize() + set_device_alias(image, reader.region_name + "/ScientaImage") + SENSORS.append(image) + + SENSORS.append(SampleCurrent) + SENSORS.append(RefCurrent) + adjust_sensors() + set_adc_averaging() + + if scan == 'ascan': + ascan(motors, SENSORS, positions[0], positions[1], positions[2], latency, False, zigzag = True, before_read=wait_beam, after_read = after_readout) + elif scan == 'lscan': + lscan(motors, SENSORS, positions[0], positions[1], positions[2], latency, False, before_read=wait_beam, after_read = after_readout) + elif scan == 'vscan': + vscan(motors, SENSORS, positions, True, latency,False, before_read=wait_beam, after_read = after_readout) + else: + print('unknown scan mode {}'.format(scan)) + + for (index, region) in enumerate(regions): + set_attribute(get_exec_pars().scanPath + "region{0}/ScientaSpectrum".format(index + 1), "RegionName", region['name']) + set_attribute(get_exec_pars().scanPath + "region{0}/ScientaImage".format(index + 1), "RegionName", region['name']) + set_attribute(get_exec_pars().scanPath, "Regions", [region['name'] for region in regions]) + +try: + setup_live_plots(REGIONS) + task = fork(update_live_plots) + do_scan(SCAN, MOTORS, POSITIONS, REGIONS, LATENCY) +finally: + if CLOSE_SHUTTER_AT_END: + after_scan() +