Applied Neurobiological Imaging, Dr. Katherine L. Narr

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Close up on an Object surface mesh

Convert FreeSurfer surfaces to Object (.obj) format

Written by Owen Phillips . Email email ophillip at loni dot ucla dot edu if you have any questions.

After Freesurfer has finished running it will output .pial and .white surfaces. You can convert these to object (.obj) format using the following steps. This is useful because .pail surfaces only work in Freesurfer programs. Important, control lines are no longer needed. So don't draw them. Also, the same lines should be drawn on all subjects, so at the beginning of a data set, it is best to choose which lines will be drawn.

  1. Surface Curve Protocol (from Dr. Elizabeth Sowell's lab)
  2. Medial Lines Protocol (from Dr. Elizabeth Sowell's lab)


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