Corey,
Matlab uses vertex numbers starting from one. However, the vertex
numbers from Freesurfer start from zero. This error in matlab can be
fixed by adding 1 to the vertex numbers.
Jooman
On Mon, 2009-02-02 at 16:14 -0500, Keller, Corey J. wrote:
> Hi Freesurfers,
>
> I am having some issues plotting a reconstructed brain in matlab. I have used
> the read_surf function to load in the pial surface file lh.pial and save the
> lh_pial.vert and lh_pial.tri. I get the following output:
>
> fv.vertices fv.faces] = read_surf('lh.pial')
>
> fv =
>
> vertices: [140817x3 double]
> faces: [281630x3 double]
>
> h = patch(fv,'FaceColor',[.5 .5 .5])
> ??? Error using ==> patch
> Faces values must be >= 1.0.
>
> My first 10 face values are:
>
> fv.faces(1:10,1:3)
>
> ans =
> 0 1 5
> 6 5 1
> 0 26 1
> 27 1 26
> 0 5 26
> 39 26 5
> 1 2 6
> 7 6 2
> 1 27 28
> 1 28 2
>
> This seems to be the issue because every other row the faces values are
> greater
> than zero. Do you know why all of my recon output pial files look like this
> and
> how I can fix the issue. Thanks.
>
> Best,
> Corey
>
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