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Fix Zarr Sink addTile when no samples axis is specified #1805

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merged 1 commit into from
Feb 4, 2025
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Fix Zarr Sink addTile when no samples axis is specified #1805

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1 change: 1 addition & 0 deletions sources/zarr/large_image_source_zarr/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -637,6 +637,7 @@ def _validateNewTile(self, tile, mask, placement, axes):
axes = [x.lower() for x in axes]
if axes[-1] != 's':
axes.append('s')
tile = tile[..., np.newaxis]
if mask is not None and len(axes) - 1 == len(mask.shape):
mask = mask[:, :, np.newaxis]
if 'x' not in axes or 'y' not in axes:
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9 changes: 9 additions & 0 deletions test/test_sink.py
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,15 @@ def testAddTileWithLevel():
assert arrays.get('1') is None


def testNoSamplesAxis(tmp_path):
output_file = tmp_path / 'test.tiff'
sink = large_image_source_zarr.new()
data = np.zeros((4, 1040, 1388))
sink.addTile(data, 0, 0, axes=['c', 'y', 'x'])
sink.write(output_file)
assert sink.metadata.get('bandCount') == 1


def testExtraAxis():
sink = large_image_source_zarr.new()
sink.addTile(np.random.random((256, 256)), 0, 0, z=1)
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