Our indices are zero based, and matlab is one based. That is probably the problem
Bruce

> On Jun 18, 2014, at 1:09 PM, ye tian <tianye730@gmail.com> wrote:
>
> Dear Freesurfers,
>
> I tried the following in matlab
>
> [coords,faces]  =read_surf('\subject\surf\rh.orig')
>  Hp = patch('vertices',coords,'faces',faces(:,[1 3 2]),...
>  'facecolor',[.5 .5 .5],'edgecolor','none')
>  camlight('headlight','infinite')
>  vertnormals = get(Hp,'vertexnormals');
>
> Matlab returns the following error:
> Error using patch
> Faces values must be >= 1.0
>
> Indeed, there are 0's in faces. Is this a mistake?
>
> Thank you very much!
>
> Sincerely,
> Ye

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