the magic # 16777213 means it's a quad file, not a triangle file. I still would have thought we could read it fine. Do you want to email us the surface file and someone will take a look?

On Tue, 23 Feb 2016, Douglas Greve wrote:

Can you load it in tksurfer or freeview?

On 2/23/16 8:58 AM, Maheen Siddiqui wrote:
      Hi FreeSurfer users, 
I have used the "mkheadsurf" command to create a head surface for my subject. However when I try to use "read_surf" to
read the "lh.seghead" file that is created, the magic number is not one that is recognised. 

Having read some previous posts/questions with similar problem/error, I think the problem is probably within the
"lh.seghead" file. I think someone wrote that incompatibility of the magic number means that the surface is corrupted. Is
there a way to check errors of mkheadsurf? Or whether something is wrong? It looked fine in freeview. 

Does anybody have any advice?

Thanks,

Maheen 


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