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Refine series count calculation for .vsi data with no pyramids#4434

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melissalinkert:gh-4015
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Refine series count calculation for .vsi data with no pyramids#4434
melissalinkert wants to merge 1 commit into
ome:developfrom
melissalinkert:gh-4015

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Fixes #4015.

Previous examples of a single .vsi file with no pyramid files included just one thumbnail-type image to start, followed by SizeZ * SizeC images representing the real data. The example from #4015 (curated/cellsens/gh-4015/) has two images at the start, followed by SizeZ * SizeC images representing the real data. Note that for this file, the last image has an XY size of 1x1, though the rest of the metadata indicates this should be part of the real data; this is the reason for the warning in lines 606-607.

.vsi files are based on TIFF, so tiffdump or similar can be used to check dimensions.

@melissalinkert melissalinkert added this to the 9.0.0 milestone May 29, 2026
@melissalinkert melissalinkert requested a review from sbesson June 1, 2026 14:00
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VSI: not recognizing image pyramid

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