Hi John
try adding --tval-xyz so that it knows you want to write out a surface.
cheers
Bruce
On
Thu, 8 Dec 2011, John Griffiths wrote:
Dear FS peeps,
I am trying to downsample a (white matter) surface with mri_surf2surf. I
also want the output in .tri format.
First problem is that mri_surf2surf doesn't let me output in .tri format
mri_surf2surf --hemi lh --srcsubject subj1 --sval-xyz white
--trgsubject subj1 --trgicoorder 4 --trgsurfval
subj1_white_downsampled.tri --tfmt tri
gives me
ERROR: could not determine type of temp_surf_white.tri
(that happens with the 'tfmt' flag or not)
The command does work when the output is a .gii or .mgh file, but when I
then try to convert those files to .tri format with mris_convert I get the
error
ERROR: MRISread: cannot read surface data from file
subj1_white_downsampled.gii!
...which is also the error I get when trying to load the file into freeview
as a surface.
Any idea what I'm doing wrong here? If there is a better way to
convert lh.white into a downsampled .tri file please do tell.
Thanks very much,
john
(p.s. thanks to Dan, Doug, and Bruce for getting me to this point...)
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