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Hello,

I am trying to make a study specific template based on the instructions at: 
https://surfer.nmr.mgh.harvard.edu/fswiki/SurfaceRegAndTemplates

However, on running the first step:
make_average_subject --out newtemplate --subjects subj1 subj2 subj3 ...

I get an error while running the recon-all is trying to run the aparc to aseg 
step:


#@# AParc-to-ASeg aparc Thu Dec  5 11:29:33 EST 2019

/Users/nandita/FreeSurfer_recon/newtemplate

\n mri_aparc2aseg --s newtemplate --volmask --aseg aseg.presurf.hypos --relabel 
mri/norm.mgz mri/transforms/talairach.m3z 
/Applications/freesurfer/average/RB_all_2016-05-10.vc700.gca 
mri/aseg.auto_noCCseg.label_intensities.txt \n

relabeling unlikely voxels interior to white matter surface:

       norm: mri/norm.mgz

       XFORM: mri/transforms/talairach.m3z

       GCA: /Applications/freesurfer/average/RB_all_2016-05-10.vc700.gca

       label intensities: mri/aseg.auto_noCCseg.label_intensities.txt

SUBJECTS_DIR /Users/nandita/FreeSurfer_recon

subject newtemplate

outvol /Users/nandita/FreeSurfer_recon/newtemplate/mri/aparc+aseg.mgz

useribbon 0

baseoffset 0

RipUnknown 0



Reading lh white surface

 /Users/nandita/FreeSurfer_recon/newtemplate/surf/lh.white



Reading lh pial surface

 /Users/nandita/FreeSurfer_recon/newtemplate/surf/lh.pial



Loading lh annotations from 
/Users/nandita/FreeSurfer_recon/newtemplate/label/lh.aparc.annot

reading colortable from annotation file...

colortable with 36 entries read (originally 
/Users/nandita/FreeSurfer_recon/newtemplate/label/tmpdir.annot2std.41916/seg.1.100110189.ctab)



Reading rh white surface

 /Users/nandita/reeSurfer_recon/newtemplate/surf/rh.white



Reading rh pial surface

 /Users/nandita/FreeSurfer_recon/newtemplate/surf/rh.pial



Loading rh annotations from 
/Users/nandita/ADRC/FreeSurfer_recon/newtemplate/label/rh.aparc.annot

reading colortable from annotation file...

colortable with 36 entries read (originally 
/Users/nandita/FreeSurfer_recon/newtemplate/label/tmpdir.annot2std.47059/seg.1.100110189.ctab)

Have color table for lh white annotation

Have color table for rh white annotation

Loading ribbon segmentation from 
/Users/nandita/FreeSurfer_recon/newtemplate/mri/ribbon.mgz



Building hash of lh white



Building hash of lh pial



Building hash of rh white



Building hash of rh pial



Loading aseg from 
/Users/nandita/FreeSurfer_recon/newtemplate/mri/aseg.presurf.hypos.mgz

ASeg Vox2RAS: -----------

-1.00000   0.00000   0.00000   128.00000;

 0.00000   0.00000   1.00000  -128.00000;

 0.00000  -1.00000   0.00000   128.00000;

 0.00000   0.00000   0.00000   1.00000;

mghRead(mri/norm.mgz, -1): could not open file

-------------------------



Labeling Slice

relabeling unlikely voxels in interior of white matter

Segmentation fault

Darwin Nanditas-MacBook-Pro.local 17.7.0 Darwin Kernel Version 17.7.0: Sun Jun  
2 20:31:42 PDT 2019; root:xnu-4570.71.46~1/RELEASE_X86_64 x86_64



recon-all -s newtemplate exited with ERRORS at Thu Dec  5 11:29:52 EST 2019

On inspecting the mri folder, it seems the norm.mgz file has not been created 
at all. Looking at the flowchart of steps for the recon-all command, norm.mgz 
is supposed to be created in the CA Normalize step, which requires the 
talairach.lta in the newtemplate/mri/transforms folder, which seems to be 
missing as well. The only transform created in the transform folder is 
talairach.xfm. The talairach.lta is created in the EM GCA registration step. Do 
I re-run the EM GCA registration, CA normalize, and then contonue from aparc to 
aseg? I am not sure if since I am creating my own template, the EM GCA step 
requires any modifications? Any help will be appreciated.

Thanks,
Nandita

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