failing to show remote datasets in BDV when the viewsetups use non-identity view transforms

[xulman]

....simply when, e.g., a dataset consists of four channels each being displayed translated/rotated/scaled w.r.t. to some common reference frame

One can download a test dataset, unzip, a point BDV to the 807191f5-.../0/export.xml file to understand what the dataset looks like. It should look like this:

when zoomed-out a little, and displayed using the Fuse mode on.

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The issue comes when accessing this dataset using any option from the menu Fiji -> Plugins -> HPC DataStore -> BigDataViewer, which means to access the data remotely via the DS server itself, in this regime the opening fails. The error is the following.

Worth noticing is that the JSON listing from alfeios, where this dataset is also installed, shows nulls for transformations and viewRegistration fields.

[xulman]

but when I request a full image (Fiji -> Plugins -> HPC DataStore -> Read full image), it works well... even portions of it.. even writing it... so pixels fetching seems to be okay..

the issue seems to have its root in how the metadata for locally created "SPIM Object" is constructed

[xulman]

update, this problem seems to be on the client side actually

the error report is not coming from the server but is produced by the client, either in DataStore or in BDVlegacy viewing regime

a it seems to be because the dataset is time-lapse 297->420, that is a time-lapse with the first timepoint not starting at 0

[xulman]

sooo,

• for the legacy BDV the problem was on the server and is fixed in this commit to the -core repo
• for the DataStore it was the very same problem, which was fixed in the -fiji client code