Hi Marie,
I think I had a similar problem with my script. I believe the problem is
with the two
lines of chars (the creation string). For whatever reason, I think that it
worked better
if the second line was empty.
This is the relevant section from my script:
fs_fwrite3(fid,TRIANGLE_FILE_MAGIC_NUMBER) ;
fprintf(fid,'created by %s on %s\n\n',user,datestr(now)); % creation date
text line
fwrite(fid,nverts,'int32');
fwrite(fid,nfaces,'int32');
fwrite(fid,coords,'float32');
fwrite(fid,faces,'int32');
Comparing to the one you are using, only the creation string line is
significantly different.
Don
From: Marie Schaer <[EMAIL PROTECTED]>
To: freesurfer@nmr.mgh.harvard.edu
Subject: [Freesurfer] writing surface file
Date: Thu, 02 Aug 2007 16:39:31 +0200
Hello everybody,
I would like to write a surface in freesurfer format from a matlab
triangular mesh (e.g. list of 67120 vertices associated with 134236
faces). To read the freesurfer surfaces, I usually use the very useful
bioelectromagnetism toolbox by Darren Weber, but I am not able to find out
why the freesurfer_write_surface function (attached to this mail) do not
work with my mesh. It indeed seems to write a surface of adequate size
(2.3MB), but when I try to visualize it, tkmedit respond:
"(null): vertex 0 x coordinate 282617032931096509022208.000000 ! "
Does someone has any hints on that or an available matlab script to write
a freesurfer surface?
Many thanks for your help,
Marie Schaer
<< freesurfer_write_surf.m >>
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