Allow expanding the wavelength range in events2histogram

eos/__init__.py

@@ -2,5 +2,5 @@
 Package to handle data redction at AMOR instrument to be used by __main__.py script.
 """
 
-__version__ = '3.0.4'
+__version__ = '3.0.5'
 __date__    = '2025-11-04'

eos/event_analysis.py

@@ -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)

eos/instrument.py

@@ -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
 

eos/projection.py

@@ -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')

eos/reduction_e2h.py

@@ -88,7 +88,7 @@ class E2HReduction:
                 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 or not self.config.experiment.is_default('lambdaRange'):
-            self.event_actions |= ea.MergeFrames()
+            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)
@@ -96,7 +96,7 @@ 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 = LZGrid(0.05, [0.0, 0.25], lambda_overwrite=self.config.experiment.lambdaRange)
             self.grid.dldl = 0.05
 
         if self.config.reduction.plot in [E2HPlotSelection.All, E2HPlotSelection.Raw,