5 Commits

Author SHA1 Message Date
8abd977656 release with -m functionality and better lambda resolution in e2h
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2025-11-19 13:29:49 +01:00
432d85c9b3 release with -m functionality and better lambda resolution in e2h 2025-11-19 13:25:38 +01:00
c222f42a89 screen output format and -m/-mu included in e2h 2025-11-19 13:21:10 +01:00
fbced41b9f Allow expanding the wavelength range in events2histogram
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2025-11-04 15:03:00 +01:00
dfb5aa319f Allow wavelength filtering for raw plots in events2histogram
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2025-11-04 14:24:25 +01:00
8 changed files with 33 additions and 15 deletions

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@@ -2,5 +2,5 @@
Package to handle data redction at AMOR instrument to be used by __main__.py script.
"""
__version__ = '3.0.3'
__date__ = '2025-10-28'
__version__ = '3.0.6'
__date__ = '2025-11-05'

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@@ -25,8 +25,15 @@ class ExtractWalltime(EventDataAction):
dataset.data.events = new_events
class MergeFrames(EventDataAction):
def __init__(self, lamdaCut=None):
self.lamdaCut=lamdaCut
def perform_action(self, dataset: EventDatasetProtocol)->None:
tofCut = const.lamdaCut*dataset.geometry.chopperDetectorDistance/const.hdm*1e-13
if self.lamdaCut is None:
lamdaCut = const.lamdaCut
else:
lamdaCut = self.lamdaCut
tofCut = lamdaCut*dataset.geometry.chopperDetectorDistance/const.hdm*1e-13
total_offset = (tofCut +
dataset.timing.tau * (dataset.timing.ch1TriggerPhase + dataset.timing.chopperPhase/2)/180)
dataset.data.events.tof = merge_frames(dataset.data.events.tof, tofCut, dataset.timing.tau, total_offset)

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@@ -223,7 +223,6 @@ class AmorEventData(AmorHeader):
def __init__(self, fileName:Union[str, h5py.File, BinaryIO], first_index:int=0, max_events:int=100_000_000):
if type(fileName) is str:
#logging.warning(f' opening file {fileName}')
logging.warning(f' {fileName.split("/")[-1]}')
self.file_list = [fileName]
hdf = h5py.File(fileName, 'r', swmr=True)

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@@ -65,9 +65,14 @@ class LZGrid:
def qzRange(self):
return self._qzRange
def __init__(self, qResolution, qzRange):
def __init__(self, qResolution, qzRange, lambda_overwrite=None):
self._qResolution = qResolution
self._qzRange = qzRange
if lambda_overwrite is None:
self.lamdaMax = const.lamdaMax
self.lamdaCut = const.lamdaCut
else:
self.lamdaCut, self.lamdaMax = lambda_overwrite
@property
@cache
@@ -92,8 +97,8 @@ class LZGrid:
@cache
def lamda(self):
lamdaMax = 16
lamdaMin = const.lamdaCut
lamdaMax = self.lamdaMax
lamdaMin = self.lamdaCut
lamda_grid = lamdaMin*(1+self.dldl)**np.arange(int(np.log(lamdaMax/lamdaMin)/np.log(1+self.dldl)+1))
return lamda_grid

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@@ -298,7 +298,7 @@ class LZProjection(ProjectionInterface):
plt.colorbar(label='I / cpm')
plt.xlabel('$\\lambda$ / $\\AA$')
plt.ylabel('$\\Theta$ / °')
plt.xlim(3., 12.)
plt.xlim(self.lamda[0,0], self.lamda[-1,0])
af = self.alphaF[self.data.mask]
plt.ylim(af.min(), af.max())
plt.title('Wavelength vs. Reflection Angle')

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@@ -51,6 +51,7 @@ class E2HReduction:
self.plot_kwds = {}
plt.rcParams.update({'font.size': self.config.reduction.fontsize})
self.overwrite = eh.ApplyParameterOverwrites(self.config.experiment) # some actions use instrument parameters, change before that
if self.config.reduction.update:
# live update implies plotting
self.config.reduction.show_plot = True
@@ -58,6 +59,9 @@ class E2HReduction:
if self.config.reduction.plot==E2HPlotSelection.Raw:
# Raw implies fast caculations
self.config.reduction.fast = True
if not self.config.experiment.is_default('lambdaRange'):
# filtering wavelength requires frame analysis
self.config.reduction.fast = False
if not self.config.reduction.fast or self.config.reduction.plot in NEEDS_LAMDA:
from . import event_analysis as ea
@@ -65,6 +69,7 @@ class E2HReduction:
# Actions on datasets not used for normalization
self.event_actions = eh.ApplyPhaseOffset(self.config.experiment.chopperPhaseOffset)
if not self.config.reduction.fast:
self.event_actions |= self.overwrite
self.event_actions |= eh.CorrectChopperPhase()
self.event_actions |= ea.ExtractWalltime()
else:
@@ -84,8 +89,8 @@ class E2HReduction:
# perform corrections for tof if not fast mode
self.event_actions |= eh.TofTimeCorrection(self.config.experiment.incidentAngle==IncidentAngle.alphaF)
# select needed actions in depenence of plots
if self.config.reduction.plot in NEEDS_LAMDA:
self.event_actions |= ea.MergeFrames()
if self.config.reduction.plot in NEEDS_LAMDA or not self.config.experiment.is_default('lambdaRange'):
self.event_actions |= ea.MergeFrames(lamdaCut=self.config.experiment.lambdaRange[0])
self.event_actions |= ea.AnalyzePixelIDs(self.config.experiment.yRange)
self.event_actions |= eh.TofTimeCorrection(self.config.experiment.incidentAngle==IncidentAngle.alphaF)
self.event_actions |= ea.CalculateWavelength(self.config.experiment.lambdaRange)
@@ -93,8 +98,8 @@ class E2HReduction:
# plot dependant options
if self.config.reduction.plot in [E2HPlotSelection.All, E2HPlotSelection.LT, E2HPlotSelection.Q]:
self.grid = LZGrid(0.05, [0.0, 0.25])
self.grid.dldl = 0.05
self.grid = LZGrid(0.05, [0.0, 0.25], lambda_overwrite=self.config.experiment.lambdaRange)
self.grid.dldl = 0.01
if self.config.reduction.plot in [E2HPlotSelection.All, E2HPlotSelection.Raw,
E2HPlotSelection.LT, E2HPlotSelection.YT,
@@ -148,6 +153,7 @@ class E2HReduction:
def prepare_graphs(self):
last_file_header = AmorHeader(self.file_list[-1])
self.overwrite.perform_action(last_file_header)
tthh = last_file_header.geometry.nu - last_file_header.geometry.mu
if not self.config.reduction.is_default('thetaRangeR'):

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@@ -117,7 +117,7 @@ class ReflectivityReduction:
plt.show()
def read_file_block(self, i, short_notation):
logging.warning('reading input:')
logging.warning('input:')
file_list = self.path_resolver.resolve(short_notation)
self.header.measurement_data_files = []
@@ -159,7 +159,7 @@ class ReflectivityReduction:
def analyze_unsliced(self, i):
self.monitor = self.dataset.data.pulses.monitor.sum()
logging.warning(f' monitor = {self.monitor:8.2f} {MONITOR_UNITS[self.config.experiment.monitorType]}')
logging.info(f' monitor = {self.monitor:8.2f} {MONITOR_UNITS[self.config.experiment.monitorType]}')
proj:LZProjection = self.project_on_lz()
try:

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@@ -37,6 +37,7 @@ hist_tofz = device('nicos_sinq.devices.just_bin_it.JustBinItImage',
```
These images have then to be set in the detector configuration as _images_ items:
```
images=['hist_yz', 'hist_tofz'],
```
```