Dear FS expert

I try to smooth surface area files with the following command:

mri_surf2surf --hemi lh --s MOREA_KG002 --sval-area area --fwhm 15 --tval
lh.area.15.mgh --cortex

But there is an error:

srcsubject = MOREA_KG002
srcval     = (null)
srctype    = 
trgsubject = MOREA_KG002
trgval     = lh.area.15.mgh
trgtype    = 
srcsurfreg = sphere.reg
trgsurfreg = sphere.reg
srchemi    = lh
trghemi    = lh
frame      = 0
fwhm-in    = 0
fwhm-out   = 15
label-src  = (null)
label-trg  = lh.cortex.label
OKToRevFaceOrder  = 1
Reading source surface reg
/Applications/freesurfer/subjects/MOREA_KG002/surf/lh.sphere.reg
Loading source data
Reading surface file
/Applications/freesurfer/subjects/MOREA_KG002/surf/lh.area
nquads=9895939,  nvertices=399
ERROR: MRISread: file
'/Applications/freesurfer/subjects/MOREA_KG002/surf/lh.area' has many more
faces than vertices!
Probably trying to use a scalar data file as a surface!

How to solve the problem?

Thanks in advance
Regards
Jürgen



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Jürgen Hänggi, Ph.D.
Division Neuropsychology
Institute of Psychology
University of Zurich
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