Hi Jocelyn - It's strange to get this in the tutorial data, it's the kind of thing you might get if the FS recon was missing part of the brain or if the alignment between datasets was not good. So I'm surprised you're getting this in the tutorial data. Can you please send your entire trac-all.log file?

Thanks!

a.y

---

From: freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Jocelyn Ra <jocelyn.ra@yale.edu>
Sent: Monday, June 29, 2020 11:08 AM
To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Subject: [Freesurfer] Error in Trac-All Pre-Processing step

 

        External Email - Use Caution        

Hi all, 

After running the trac-all command in the pre-processing step in the official TRACULA tutorial, I ran into the following error: 

WARN: Could not find satisfactory control point fit - try 4718
Writing output files to /home1/jr2359/diffusion_tutorial_april2018/diffusion_tutorial/elmo.2005/dlabel/mni/rh.cst_AS_avg33_mni_bbr_*
Writing spline volume to /home1/jr2359/diffusion_tutorial_april2018/diffusion_tutorial/elmo.2005/dlabel/mni/rh.cst_AS_avg33_mni_bbr_cpts_6.nii.gz
Segmentation fault

The "WARN" message repeated several times before this final message, making me believe the issue is with the control points. For reference, I am using the tutorial data set, "set ncpts = (6 6 5 5 5 5 7 5 5 5 5 5 4 4 5 5 5 5)" for the control points, and LINUX. 

Has anyone else run into this error, and could someone please help me with this issue? 

Thank you in advance!

Sincerely,

Jocelyn

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