197 lines
7.1 KiB
Python
197 lines
7.1 KiB
Python
"""
|
|
Arguments:
|
|
|
|
"""
|
|
LATENCY = 0.0
|
|
MOTORS = [Eph]
|
|
|
|
#workfunction ~ 5eV
|
|
#262eV : KE = 70eV for B 1s
|
|
#200eV : KE = 70eV for Ge 3p
|
|
|
|
POSITIONS_B = [300]
|
|
for nn in range(56):
|
|
POSITIONS_B.append(POSITIONS_B[-1]+4)
|
|
# BORON 1s
|
|
REGION_B = {'name': 'Ge 3s peak+tail', 'elo': 99., 'ehi': 112., 'estep': 0.13, 'epass': 100, 'tstep': 0.5, 'iter': 1, 'cis': True}
|
|
REGIONS_B = [REGION_B]
|
|
|
|
# XSP check for beam damage
|
|
POSITIONB = [550]
|
|
REGION3 = {'name': 'N 1s peak', 'elo': 134., 'ehi': 154, 'estep': 0.05, 'epass': 50, 'tstep': 0.5, 'iter': 1, 'cis': True}
|
|
REGIONSB = [REGION3]
|
|
CLOSE_SHUTTER_AT_END = True
|
|
|
|
Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept)
|
|
|
|
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 + "/"
|
|
|
|
self.channel_begin_dataset_name = path + "ScientaChannelBegin"
|
|
self.channel_end_dataset_name = path + "ScientaChannelEnd"
|
|
self.pass_energy_dataset_name = path + "ScientaPassEnergy"
|
|
self.step_energy_dataset_name = path + "ScientaStepEnergy"
|
|
self.step_time_dataset_name = path + "ScientaStepTime"
|
|
self.iterations_dataset_name = path + "ScientaIterations"
|
|
|
|
create_dataset(self.channel_begin_dataset_name, 'd')
|
|
create_dataset(self.channel_end_dataset_name, 'd')
|
|
create_dataset(self.pass_energy_dataset_name, 'd')
|
|
create_dataset(self.step_energy_dataset_name, 'd')
|
|
create_dataset(self.step_time_dataset_name, 'd')
|
|
create_dataset(self.iterations_dataset_name, 'd')
|
|
|
|
def setup(self):
|
|
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}: 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])
|
|
|
|
ephot = Eph.read()
|
|
try:
|
|
if self.region['cis']:
|
|
edelta = ephot - self.ephot_start
|
|
else:
|
|
edelta = 0.0
|
|
except AttributeError:
|
|
self.ephot_start = ephot
|
|
edelta = 0.0
|
|
|
|
elo = self.region['elo'] + edelta
|
|
ehi = self.region['ehi'] + edelta
|
|
|
|
Scienta.lowEnergy.write(elo)
|
|
Scienta.highEnergy.write(ehi)
|
|
Scienta.stepSize.write(self.region['estep'])
|
|
Scienta.setPassEnergy(self.region['epass'])
|
|
Scienta.stepTime.write(self.region['tstep'])
|
|
Scienta.setIterations(self.region['iter'])
|
|
Scienta.update()
|
|
|
|
append_dataset(self.channel_begin_dataset_name, elo)
|
|
append_dataset(self.channel_end_dataset_name, ehi)
|
|
append_dataset(self.pass_energy_dataset_name, self.region['epass'])
|
|
append_dataset(self.step_energy_dataset_name, self.region['estep'])
|
|
append_dataset(self.step_time_dataset_name, self.region['tstep'])
|
|
append_dataset(self.iterations_dataset_name, self.region['iter'])
|
|
|
|
def read(self):
|
|
global current_region_index
|
|
current_region_index = self.region_index
|
|
self.setup()
|
|
print "Photon energy {ephot} eV. Acquiring spectrum {elo}-{ehi} eV.".format(ephot=Eph.read(), elo=Scienta.lowEnergy.value, ehi=Scienta.highEnergy.value)
|
|
trig_scienta()
|
|
time.sleep(0.5)
|
|
sp = Scienta.getSpectrum().read()
|
|
return sp
|
|
|
|
def getSize(self):
|
|
nx = int((self.region['ehi'] - self.region['elo']) / self.region['estep']) + 1
|
|
return nx
|
|
|
|
|
|
class ImageReader(ReadonlyRegisterBase, ReadonlyRegisterMatrix):
|
|
def read(self):
|
|
return Scienta.getDataMatrix().read()
|
|
|
|
def getWidth(self):
|
|
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(motors, positions, regions, latency, sample_position):
|
|
global SENSORS
|
|
|
|
SENSORS = []
|
|
|
|
for (index, region) in enumerate(regions):
|
|
reader = SpectrumReader()
|
|
reader.sample_pos = sample_position
|
|
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()
|
|
|
|
vscan(motors, SENSORS, positions, True, latency,False, before_read=wait_beam, after_read = after_readout)
|
|
|
|
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])
|
|
|
|
#set_attribute(get_exec_pars().scanPath + + "region{0}/Polar".format(index + 1), "Polar", polar)
|
|
#set_attribute(get_exec_pars().scanPath + + "region{0}/Azimuth".format(index + 1), "Azimuth", azimuth)
|
|
|
|
try:
|
|
setup_live_plots(REGIONS_B)
|
|
task = fork(update_live_plots)
|
|
# theta (polar), phi (azimuth), x, y, z
|
|
sample_pos = [[-9.1,-105.0,0.5, 0.0, 115.0],
|
|
[21.0,-105.0,0.8, 0.1, 115.0],
|
|
[51.0,-105.0,0.45, 1.4, 115.0]]
|
|
#[21.0,-75.0, 0.8, 0.1, 115.0],
|
|
#[51.0,-75.0, 0.45, 1.4, 115.0],
|
|
#[-9.1,-75.0,0.5, 0.0, 115.0]]
|
|
for nn in sample_pos:
|
|
polar = nn[0]
|
|
azimuth = nn[1]
|
|
ManipulatorX.move(nn[2])
|
|
ManipulatorY.move(nn[3])
|
|
ManipulatorZ.move(nn[4])
|
|
ManipulatorTheta.move(polar)
|
|
#ManipulatorPhi.move(nn[1])
|
|
|
|
#do_scan(MOTORS, POSITIONB, REGIONSB, LATENCY) #XPS before PhD
|
|
do_scan(MOTORS, POSITIONS_B, REGIONS_B, LATENCY, nn) #PhD
|
|
#do_scan(MOTORS, POSITIONB, REGIONSB, LATENCY) #XPS after PhD
|
|
|
|
finally:
|
|
if CLOSE_SHUTTER_AT_END:
|
|
after_scan()
|