[Freesurfer] mri_vol2surf sampling higher resolution

2013-01-16 Thread Rouhollah Abdollahi
Dear Freesurfer, I have created a ribbon in high resolution like 0.5 x 0.5 x 0.5 mm^3 I selected some of those voxel in the high-res ribbon file. Then I wanted to create a paint file out of volume in that resolution on white or pial. I used the tkregister to register the high-res ribbon file to an

Re: [Freesurfer] mri_vol2surf sampling higher resolution

2013-01-16 Thread Douglas Greve
Try using --projfrac 0.5 (halfway into the ribbon). --projfrac 1 samples at the pial, and it may be that you don't have any voxels there. Still, one would expect a few hits. Also, the paint (w) format is pretty old. Consider using mgh format or gifti. doug On 1/16/13 9:55 AM, Rouhollah Abdol