pshell_config/x03da
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Closedown

Browse Source
This commit is contained in:
gac-x03da
2022-02-02 16:21:09 +01:00
parent 1cf46385e0
commit eeda4ed629
7 changed files with 90 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files
script/MultiRegionScan.py
+68 -32
View File
@@ -14,19 +14,19 @@ usage:
"""
# dummy scan (time series)
#MOTORS = [dummy]
MOTORS = [dummy]
# photon energy scan (do not include 'ephot' in regions in this case!)
#MOTORS = [Eph]
# phi scan
#MOTORS = [ManipulatorPhi]
# holo scan
MOTORS = (ManipulatorPhi, ManipulatorTheta)
#MOTORS = (ManipulatorPhi, ManipulatorTheta)
# 2D YZ scan
#MOTORS = [ManipulatorY, ManipulatorZ]
# line scan [start, stop, step]
#POSITIONS = [0., 10., 0.5]
#SCAN = 'lscan'
POSITIONS = [0., 5., 0.5]
SCAN = 'lscan'
# vector scan [pos1, pos2, pos3, ...]
#POSITIONS = [200., 300., 400., 500.]
@@ -39,13 +39,12 @@ MOTORS = (ManipulatorPhi, ManipulatorTheta)
#SCAN = 'ascan'
# holo scan
#PHI_RANGE = (-170.0, 170.0) # (tuple (min, max))
PHI_RANGE = (-160.0, 160.0) # (tuple (min, max))
THETA_RANGE = (-9.5, 80.5) # (tuple (min, max))
STEPS = (40.0, 1.0) # (tuple (phi, theta))
ZIGZAG = True
POSITIONS = [(PHI_RANGE[0], THETA_RANGE[0]), (PHI_RANGE[1], THETA_RANGE[1]), STEPS]
SCAN = 'ascan'
#PHI_RANGE = (-160.0, 160.0) # (tuple (min, max))
#THETA_RANGE = (-9.0, 81.0) # (tuple (min, max))
#STEPS = (40.0, 1.0) # (tuple (phi, theta))
#ZIGZAG = True
#POSITIONS = [(PHI_RANGE[0], THETA_RANGE[0]), (PHI_RANGE[1], THETA_RANGE[1]), STEPS]
#SCAN = 'ascan'
# seconds to wait between positioning command and triggering the detector
LATENCY = 0.0
@@ -70,15 +69,14 @@ LATENCY = 0.0
# 'cis': True = constant initial state (photoemission line), False = constant final state (Auger peak), (default False)
# 'slit': exit slit (default: unchanged)
REGION1 = {'name': 'Tb 4d', 'elo': 892.5, 'ehi': 899.0, 'estep': 0.1, 'epass': 50., 'tstep': 0.8, 'iter': 1, 'cis': False}
REGION2 = {'name': 'Au 4f', 'efix': 957.2, 'epass': 20., 'tstep': 0.8, 'iter': 1, 'cis': False}
REGION1 = {'name': 'peak 1', 'efix': 200., 'epass': 50., 'tstep': 2., 'iter': 1, 'cis': False}
REGION2 = {'name': 'peak 2', 'efix': 300., 'epass': 50., 'tstep': 3., 'iter': 1, 'cis': False}
# list of region dictionaries to execute at each scan position
REGIONS = [REGION1, REGION2]
#REGIONS = [REGION1]
# close beam shutter and turn off analyser at the end of the scan
CLOSE_SHUTTER_AT_END = True
CLOSE_SHUTTER_AT_END = False
# --- DO NOT EDIT BELOW THIS LINE! ---
@@ -102,6 +100,11 @@ def check_region(region):
print("region {0}: setting default cis = {1}".format(region['name'], region['cis']))
class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
"""
pseudo-device class to acquire and read out a Scienta spectrum per region.
this devices starts the spectrum acquisition and organises the data file.
"""
def initialize(self):
#super(SpectrumReader, self).initialize()
self.scan_index = -1
@@ -109,15 +112,15 @@ class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
def create_datasets(self):
path = get_exec_pars().scanPath + self.region_name + "/"
self.channel_begin_dataset_name = path + "ScientaChannelBegin"
self.channel_end_dataset_name = path + "ScientaChannelEnd"
create_dataset(self.channel_begin_dataset_name, 'd')
create_dataset(self.channel_end_dataset_name, 'd')
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:
@@ -138,10 +141,8 @@ class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
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)
print "scan {0}, region {1}".format(self.scan_index, self.region_index)
print "scan {0}, region {1} ({2})".format(self.scan_index, self.region_index, self.region['name'])
edelta = 0.0
try:
@@ -169,8 +170,6 @@ class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
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:
@@ -198,42 +197,64 @@ class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
pass
Scienta.update()
def read(self):
# print("spectrum.read")
global current_region_index
current_region_index = self.region_index
self.setup()
print("Acquiring region {0}.".format(self.region['name']))
# print("Acquiring region {0}.".format(self.region['name']))
trig_scienta()
time.sleep(0.5)
time.sleep(0.1)
sp = Scienta.getSpectrum().read()
append_dataset(self.channel_begin_dataset_name, Scienta.getChannelBegin().getValue())
append_dataset(self.channel_end_dataset_name, Scienta.getChannelEnd().getValue())
return sp
def getSize(self):
# this is called before the scan starts - we have to predict the spectrum size
# wrong values don't seem to affect the data files, however
if self.region['fixed']:
nx = 992
nx = 1066
else:
nx = int((self.region['ehi'] - self.region['elo']) / self.region['estep']) + 1
return nx
class ImageReader(ReadonlyRegisterBase, ReadonlyRegisterMatrix):
class ImageReader(ReadonlyRegisterBase, ReadonlyRegisterMatrix):
"""
pseudo-device class to read out the Scienta image per region.
this device just reads out the Scienta image that has been acquired by SpectrumReader.
"""
def read(self):
# print("image.read")
return Scienta.getDataMatrix().read()
def getWidth(self):
# this is called before the scan starts - we have to predict the spectrum size
# wrong values don't seem to affect the data files, however
if self.region['fixed']:
nx = 992
nx = 1066
else:
nx = int((self.region['ehi'] - self.region['elo']) / self.region['estep']) + 1
return nx
def getHeight(self):
# this is called before the scan starts - the number of slices is an independent parameter
ny = Scienta.slices.read()
return ny
class SimpleDeviceReader(Readable):
"""
pseudo-device class to read out another device once per region.
the device must be set assigned to the source attribute.
"""
def read(self):
return self.source.read()
def setup_live_plots(regions):
global live_plots
global current_region_index
@@ -258,6 +279,13 @@ def update_live_plots():
print "Stopping live spectra"
def do_scan(scan, motors, positions, regions, latency):
"""
set up detectors and run the scan
for each region we have to add a SpectrumReader and an ImageReader pseudo-device to the SENSORS list.
the order SpectrumReader, ImageReader is important because the SpectrumReader triggers the Scienta,
whereafter the ImageReader reads the image.
"""
global SENSORS
SENSORS = []
@@ -280,8 +308,16 @@ def do_scan(scan, motors, positions, regions, latency):
set_device_alias(image, reader.region_name + "/ScientaImage")
SENSORS.append(image)
SENSORS.append(SampleCurrent)
SENSORS.append(RefCurrent)
dev = SimpleDeviceReader()
dev.source = SampleCurrent
set_device_alias(dev, reader.region_name + "/SampleCurrent")
SENSORS.append(dev)
dev = SimpleDeviceReader()
dev.source = RefCurrent
set_device_alias(dev, reader.region_name + "/RefCurrent")
SENSORS.append(dev)
adjust_sensors()
set_adc_averaging()