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Hello,


I am trying to overlay a .asc file in either freeview or tksurfer, but so far 
having no luck.


As practice and to determine the right format, I am simply using lh.thickness, 
which I've converted to .asc using the following command:


% mris_convert -c lh.thickness lh.white lh.thickness.asc


I am trying to overlay this onto lh.pial for one subject, however I cannot load 
the file and I get the following error message:


% mri_read(): couldn't determine type of file 
/data/project/biobank/normative_modelling/DATA/03129b39-45a0-4491-9fdf-c7062a631d19/surf/lh.thickness.asc
surfer: couldn't load 
/data/project/biobank/normative_modelling/DATA/03129b39-45a0-4491-9fdf-c7062a631d19/surf/lh.thickness.asc.
 If you were trying to load a functional volume, make sure
you selected the right registration method, and if necessary,
that the registration file exists.
If you were trying to load a volume-encoded value file,
make sure it has the same number of values as this surface
does vertices (128970).
sclv_read_from_volume: error in FunD_New

Interestingly, I can load the file as a curvature file, but then can't play 
around with the threshold.


Do you have any idea what I'm doing wrong? Any help would be appreciated!


Thanks,


Amanda
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