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I tried reading and writing lh.aparc.annot of bert, and it works ONLY if you change the output filename by adding a file extension.

Try

write_annotation('lh_Yeo2011_DMN.annot',v,L,ct);

Tim

On July 15, 2020 at 3:56 PM "Douglas N. Greve" dgreve@mgh.harvard.edu wrote:

Does it work if you take out that change to ct.table?

On 7/15/2020 3:34 AM, Martin Juneja wrote:

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Hi FreeSurfer experts,

I am trying to run write_annonation program in MATLAB and getting following error:

...

...

[v, L, ct] = read_annotation('lh.Yeo2011_7Networks_N1000.annot'); ct.table(1:6,1:3) = 1; write_annotation('lh_Yeo2011_DMN',v,L,ct);

Error using fwrite Invalid file identifier. Use fopen to generate a valid file identifier.

Error in write_annotation (line 55) count = fwrite(fp, int32(length(label)), 'int');

I would really appreciate any help in resolving this issue.

Thanks !

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