Hi Ruthger!

Use mris_expand to create a surf inside or outside of white

e.g. 

mris_expand surf/lh.white -1 surf/lh.white_1mm_inside
# use positive values for outside ?h.white border

mris_expand -thickness surf/lh.white -1 surf/lh.white_in100%_thickness 
# this samples in % of GM thickness, use positive values for outside white 

Cheers!
Markus


2014-04-03 16:24 GMT+02:00 Righart, Ruthger <righart@lrz.tu-muenchen.de>:
Hi All,

mri_vol2surf has the flags --projfrac and --projdist. If I understand
these flags correctly, the volume is sampled inbetween the white-matter
surface and the pial surface (for ex. --projfrac 0.5 is midway). Is
there a possibility in tkmedit/Freeview to display with a colored line
for ex. --projfrac 0.5 for a given subject? (actually similar to what
was done by Salat et al., NeuroImage 2009, 48, p23, fig 1A,
http://surfer.nmr.mgh.harvard.edu/pub/articles/salat_2009.pdf).

Thank you very much in advance for your help!

All the best,

Ruthger
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