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bigdataviewer / bigdataviewer-core

ImgLib2-based viewer for registered SPIM stacks and more
BSD 2-Clause "Simplified" License
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Support for channels that only exist for part of the time range? #168

Closed janroden closed 9 months ago

janroden commented 9 months ago

Does BDV currently support image data / metadata where some channels only exist for part of the full time range (i.e., for a subset of all time points)?

If so, what would a minimal-example .xml file for such a situation look like?

I was wondering whether this could be achieved by having ViewRegistration blocks for only a subset of the time points? Or are those intended only for affine transforms changing over time, but there have to be ViewRegistration blocks present for all​ time points?

If this isn't supported yet, would support for this be planned / in scope for one of the next releases?

Thanks a lot!

tpietzsch commented 9 months ago

Yes, that's possible. I don't have a minimal xml file at hand, but it's straightforward: In the <SequenceDescription>...</SequenceDescription> section of the XML, add a <MissingViews> tag, e.g.,

<MissingViews>
   <MissingView timepoint="0" setup="1" />
   <MissingView timepoint="0" setup="2" />
   <MissingView timepoint="1" setup="1" />
   <MissingView timepoint="1" setup="2" />
   <MissingView timepoint="2" setup="2" />
   <MissingView timepoint="3" setup="2" />
</MissingViews>

etc. That is, just list the missing views.

janroden commented 9 months ago

That's great :-) Thanks a lot for the fast response and the example!