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[IO] Improve image stack handling #1122

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Merged
vasole merged 1 commit into from
May 13, 2025
Merged

[IO] Improve image stack handling #1122

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13 changes: 12 additions & 1 deletion src/PyMca5/PyMcaIO/HDF5Stack1D.py
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Original file line number Diff line number Diff line change
Expand Up @@ -728,6 +728,13 @@ def loadFileList(self, filelist, selection, scanlist=None):
xpath = scan + xSelection
xDataset = hdf[xpath][()]
xDatasetList.append(xDataset)
try:
yDataset = hdf[path][()]
IN_MEMORY = True
except (MemoryError, ValueError):
_logger.info("Dynamic loading of images")
yDataset = hdf[path]
IN_MEMORY = False
if mSelection is not None:
nMonitorData = mDataset.size
case = -1
Expand All @@ -750,7 +757,11 @@ def loadFileList(self, filelist, selection, scanlist=None):
for i in range(yDataset.shape[0]):
self.data[i] += yDataset[i] / mDataset
else:
self.data += yDataset
if IN_MEMORY:
self.data += yDataset
else:
for i in range(yDataset.shape[0]):
self.data[i:i+1] += yDataset[i:i+1]
else:
self.info["McaIndex"] = mcaIndex
if _time:
Expand Down