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Dear Doug et al.,
I'm trying to test mri_label2label because we've observed some strange results in the download for:
freesurfer-Linux-rh9-stable-pub-v3.0.2
To test the program, I thought it would be sensible to map a label of one subject onto itself, with a different label filename for the output. So I created a large label in a subject rh inflated surface and saved it to X.label file. I then tried to run mri_label2label using the same srcsubject and target subject, with a different name for the target label, ie:
mri_label2label \ - --srclabel $SUBJECTS_DIR/${srcsubject}/label/$label \ - --trglabel $SUBJECTS_DIR/${srcsubject}/label/$newlabel \ - --srcsubject ${srcsubject} \ - --trgsubject ${srcsubject} \ - --regmethod surface --hemi $hemi --trgsurf pial
In effect, this should be equivalent to:
cd $SUBJECTS_DIR/${srcsubject}/label/ cp $label $newlabel
That is, the label mapping onto the same subject surface should be identical. It is not. Can you please try to replicate this result? I would like to know if it is particular to the setup here. If you find a bug in mri_label2label, please forward a fix ASAP, as we are trying to complete some analysis that depends on mapping labels across subjects.
Thanks, Darren
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Darren L. Weber, Ph.D. Postdoctoral Scholar
Dynamic Neuroimaging Laboratory, UCSF Department of Radiology, 185 Berry Street, Suite 350, Box 0946, San Francisco, CA 94107, USA.
Tel: +1 415 353-9444 Fax: +1 415 353-9421 www: http://dnl.ucsf.edu/users/dweber
"To explicate the uses of the brain seems as difficult a task as to paint the soul, of which it is commonly said, that it understands all things but itself." Thomas Willis (The Anatomy of the Brain and Nerves, 1664)