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@arokem arokem commented Nov 13, 2025

This PR will stage work done so far on BEP16 into a branch on the upstream repo (i.e., bids-standard/bids-specification, rather than arokem/bids-specification) so that maintainers can do work on the branch (this was specifically requested by @tsalo).

effigies and others added 30 commits September 18, 2019 10:13
This PR splits the tractography section from the diffusion derivatives
document, so that #5 is easier to merge.
The new ``05-diffusion-derivatives-tractography.md`` file will remain
orphaned, but kept there as a base for the time we tackle tractography.
It shouldn't be merged into the derivatives branch until it is ready.
- More clarity of distinction between requisite and optional files in output directory.
- Try using 3 spaces rather than 4 in non-code indentation; partly to try to get tables within dot point lists to render correctly, partly to improve editor software syntax highlighting.
- Various small re-wordings.
- Slightly more use of hyperlinks.
- Short introductions to "parameter terminology" and "data representations" sections.
- Be more explicit about normalised vs. non-normalised 3-vectors, so that structure more clusely mimics that of description of spherical coordinate representation.
- Rename hyperlink names to "parameter terminology" section to better separate from later "intrinsic / extrinsic model parameters" sections.
Based on suggestion in #5. If all model intrinsic parameters are incorporated into a single file, rather than dropping the "_parameter-<param>" field, instead enforce that parameter name "all" be used.
When introducing the file naming convention, give an example of the "_<model>" field.
Re-arranged descriptions of intrinsic and extrinsic model parameters within the file naming section, and corrected a discordance in one dot point that was using an intrinsic model parameter filename path but discussing extrinsic model parameters.
Provide information on specification of orientation data after the various models and model parameters have been explained.
Revised based on MRtrix3/mrtrix3#1635.
Manual merge / cherry-pick of: c6539851, 8b278282, c6539851, ebbf0d3d, d7b4731d, 99e92e0a, 6bfc7849 due to unresolvable conflict in bids-standard/bids-bep016#8.
Conflicts:
	src/05-derivatives/05-diffusion-derivatives.md
- Provide basic instructions rather than elaborating on rare use cases.
- Remove JSON dictionary on preprocessing steps utilised as these relate to provenance and are therefore out of scope.
Proposal for addressing bids-standard/bids-bep016#25.
arokem and others added 23 commits November 5, 2025 14:57
…cale.

This diverges from the usual recommendation to use SI units, but makes
sense in this field, where values of mm^2/s are used to describe diffusivity
in many different places.
I didn't use any references so the glossary links will be broken.
Add metadata fields to schema
Fix yamllint and remark warnings
@tsalo tsalo merged commit 177824a into bids-standard:bep016 Nov 13, 2025
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arokem commented Nov 13, 2025

@tsalo: should I close #2211 and open a new PR off this branch?

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tsalo commented Nov 13, 2025

That would be great, thank you!

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7 participants