Hi Guang,

the jacobian is a scalar field over the surface, *not* a surface, so you can't load it in that way. You can load it as an overlay in tksurfer if you want.

cheers Bruce On Fri, 11 Dec 2009, Guang Zeng wrote:

Hi, there,

I'd like to load lh.jacobian_white using tkmedit to check how much the white surface was distorted in order to register to the spherical atlas

my command line is

tkmedit subj_id brainmask.mgz rh.white -aux T1.mgz -aux-surface lh.jacobian_white -segmentation aseg.mgz $FREESURFER_HOME/FreeSurferColorLUT.txt

But I got an error,

=================================== ERROR: A segfault has occurred. This is not your fault, : but is most likely an unrecoverable error and has : made the program unstable. : : Please send the contents of the file .xdebug_tkmedit : that should be in this directory to analysis-bugs@nmr.mgh.harvard.edu : : Now exiting... :

Anyone can help?

Thanks a lot! Guang

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