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jduemose
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Previously, only freesurfer surface files with coordinates in unknown or surface ras/tkregister space could be read. Following #1419, this PR adds the ability to read surface files whose coordinates are stored in scanner ras as well.

Let me know if calling a freesurfer function via subprocess as part of the test is a problem - but I wasn't sure how to test this feature otherwise.

@effigies
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Sorry, you caught me just as I was heading off on vacation, and following up with nibabel has been low on my queue since getting back. Merging master and running tests.

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codecov bot commented Sep 22, 2025

Codecov Report

❌ Patch coverage is 57.14286% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 95.37%. Comparing base (70f278e) to head (560a5be).
⚠️ Report is 1 commits behind head on master.

Files with missing lines Patch % Lines
nibabel/freesurfer/tests/test_io.py 50.00% 3 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master    #1420      +/-   ##
==========================================
- Coverage   95.44%   95.37%   -0.07%     
==========================================
  Files         209      209              
  Lines       29782    29788       +6     
  Branches     4472     4472              
==========================================
- Hits        28424    28410      -14     
- Misses        925      943      +18     
- Partials      433      435       +2     

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assert any('extension code' in str(ww.message) for ww in w)

# Test reading/writing a surface file in scanner RAS
cmd = f"mris_convert --to-scanner {pjoin(data_path, 'surf', 'lh.inflated')} {surf_path}"
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We don't install FreeSurfer to run tests. Could you contribute the converted file to https://codeberg.org/nipy-data/nitest-freesurfer?

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2 participants