Hi Sam

they are not the same. A label is just a list of vertices in the surface
(with some possibly voxel coordinates and also with a single value/vertex).
It doesn't have to be ever vertex in the surface, and also contains no
information about topology (e.g. which vertices are connected by an edge)

cheers
Bruce


On Wed, 24 Jul 2019, Sam W. wrote:

>
>         External Email - Use Caution        
>
> Thanks Bruce. Can I ask you a very basic question? What exactly is the
> difference between a surface and a label file? I thought the difference was
> that the label file is just a normal text file containing the vertices that
> are used to construct a surface. If so, is there a tool that allows me to
> create a surface from a label file? mri_label2surf would be my first guess,
> but that doesn't seem to exist.
> Best regards,
> Sam
>
>
> On Wed, Jul 24, 2019 at 4:18 PM Bruce Fischl <fischl@nmr.mgh.harvard.edu>
> wrote:
>       Hi Sam
>
>       the labels are already ascii
>
>       cheers
>       Bruce
>       On Tue, 23 Jul 2019, Sam W. wrote:
>
>       >
>       >         External Email - Use Caution        
>       >
>       > Hi,
>       >
>       > Is it possible to convert a label file like rh.cuneus.label
>       into asc? I
>       > tried
>       > mris_convert --label rh.cuneus.label ctx-rh-cuneus rh.white
>       rh.cuneus.asc
>       >
>       > but got an error:
>       >  
>       > ERROR: unknown file annot file type specified for output:
>       rh.cuneus.asc
>       >
>       > Thanks!
>       > Sam
>       >
>       >
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