def test_drift_stream(self):
escan = self.ebeam
detector = self.sed
ccd = self.ccd
# Create the stream
sems = stream.SEMStream("test sem", detector, detector.data, escan)
ars = stream.ARSettingsStream("test ar", ccd, ccd.data, escan)
sas = stream.SEMARMDStream("test sem-ar", [sems, ars])
# Long acquisition
ccd.exposureTime.value = 1e-02 # s
dc = leech.AnchorDriftCorrector(escan, detector)
dc.period.value = 5
dc.roi.value = (0.525, 0.525, 0.6, 0.6)
dc.dwellTime.value = 1e-04
sems.leeches.append(dc)
escan.dwellTime.value = 1e-02
ars.roi.value = (0.4, 0.4, 0.6, 0.6)
ars.repetition.value = (5, 5)
start = time.time()
for l in sas.leeches:
l.series_start()
f = sas.acquire()
x = f.result()
for l in sas.leeches:
l.series_complete(x)
dur = time.time() - start
logging.debug("Acquisition took %g s", dur)
self.assertTrue(f.done())
def __init__(self, microscope, main_app):
"""
:param microscope: (Microscope or None) The main back-end component.
:param main_app: (wx.App) The main GUI component.
"""
super(CLAcqPlugin, self).__init__(microscope, main_app)
# Can only be used with a microscope
if not microscope:
return
else:
# Check which stream the microscope supports
self.main_data = self.main_app.main_data
if not (self.main_data.ccd and self.main_data.ebeam):
return
self.exposureTime = self.main_data.ccd.exposureTime
self.binning = self.main_data.ccd.binning
# Trick to pass the component (ccd to binning_1d_from_2d())
self.vaconf["binning"]["choices"] = (
lambda cp, va, cf: cutil.binning_1d_from_2d(
self.main_data.ccd, va, cf))
self._survey_stream = None
self._optical_stream = acqstream.BrightfieldStream(
"Optical",
self.main_data.ccd,
self.main_data.ccd.data,
emitter=None,
focuser=self.main_data.focus)
self._secom_cl_stream = SECOMCLSettingsStream("Secom-CL",
self.main_data.ccd,
self.main_data.ccd.data,
self.main_data.ebeam)
self._sem_stream = acqstream.SEMStream(
"Secondary electrons concurrent", self.main_data.sed,
self.main_data.sed.data, self.main_data.ebeam)
self._secom_sem_cl_stream = SECOMCLSEMMDStream(
"SECOM SEM CL", [self._sem_stream, self._secom_cl_stream])
self._driftCorrector = leech.AnchorDriftCorrector(
self.main_data.ebeam, self.main_data.sed)
self.conf = get_acqui_conf()
self.expectedDuration = model.VigilantAttribute(1,
unit="s",
readonly=True)
self.exposureTime.subscribe(self._update_exp_dur)
self.filename = self._secom_sem_cl_stream.filename # duplicate VA
self.filename.subscribe(self._on_filename)
self.addMenu("Acquisition/CL acquisition...", self.start)