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skip existing arrays in ImageWidget.set_data() #924

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Merged
clewis7 merged 1 commit into from
Oct 21, 2025
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skip existing arrays in ImageWidget.set_data() #924

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5 changes: 5 additions & 0 deletions fastplotlib/widgets/image_widget/_widget.py
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Original file line number Diff line number Diff line change
Expand Up @@ -929,6 +929,11 @@ def set_data(
for i, (new_array, current_array, subplot) in enumerate(
zip(new_data, self._data, self.figure)
):
# if the new array is the same as the existing array, skip
# this allows setting just a subset of the arrays in the ImageWidget
if new_data is self._data[i]:
continue

# check last two dims (x and y) to see if data shape is changing
old_data_shape = self._data[i].shape[-self.n_img_dims[i] :]
self._data[i] = new_array
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