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@jluethi jluethi commented Jan 21, 2026

This PR suggests relaxing the allowed names of images in wells, following the discussion here: ome/ngff#380

While I understand restrictions on names for rows and columns of HCS plates, the images in HCS plates can be many things. I don't think it's reasonable to restrict it more than general Zarr node naming restrictions. As proposed by @d-v-b , this PR proposes following the Zarr spec recommendations for characters in node names.

I don't know what the rule on linking to other pages like the Zarr spec page is / should be, so we can also remove that link if needed.

@thewtex Could you also have a look at this and whether this would interfere with anything ngff-zarr related?

We already implemented this in ngio (we actually had always been using _ in path names and only noticed last fall that this clashes with the strict path definitions in HCS wells.

cc @imagejan @lorenzocerrone

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Co-authored-by: Johannes Soltwedel <38459088+jo-mueller@users.noreply.github.com>
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👍 LGTM!

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4 participants