Hi Saeed,

You can run either of the following commands to overlay the ?h.sulc or ?h.curv file:

tksurfer subject hemisphere surface -snap  <file name> -sulc
tksurfer subject hemisphere surface -snap  <file name> -curv

Best,
Lee

On Thu, 6 Aug 2015, Saeed Mahdizadeh Bakhshmand wrote:

I used it as this:tksurfer subject hemisphere surface -snap  <file name> -overlay 
<file name>
And it adds a gray scale version of sulcus map to the plain gray, How can I 
activate colors?

Thanks,
Saeed

On Thu, Aug 6, 2015 at 4:20 PM, Bruce Fischl <fis...@nmr.mgh.harvard.edu> wrote:
      load them as "curvature" files

      cheers
      Bruce

      On Thu, 6 Aug 2015, Saeed Mahdizadeh Bakhshmand wrote:

            And are they treated as label files (e.g. lh.aparc.annot ) in the 
label
            directory? And how they can be added to the tksurfer snapshot 
procedure?

            On Thu, Aug 6, 2015 at 4:04 PM, Bruce Fischl 
<fis...@nmr.mgh.harvard.edu>
            wrote:
                  no, the scalar overlays are stored separately (e.g. lh.curv,
                  lh.sulc, etc...)
                  On Thu, 6 Aug 2015, Saeed Mahdizadeh Bakhshmand wrote:

                        Hello,
                        Is scalar overlay information embedded into surface
                        file itself? When I open
                        them in freeview they are loaded with color overlays
                        (sulcus/gyrus), but
                        when I load same models into 3D slicer or take a
                        snapshot in tksurfer, they
                        are plain gray. 

                        Thanks,
                        Saeed


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