Do any of the other --proj flags do what you need? Eg, --projfrac-max?
See the --help
doug
Wang, Xin wrote:
> Hello, Freesurfer group,
>
> The mri_vol2surf only register the fMRI activity at a certain depth of
> cortex, as specisfied by -projecfrac, to the cortical
> surface. mri_surf2surf does the same thing. I want to identify any
> cortical region have activation during the task, therefore, I need to
> project fMRI activity of entire depth of cortex onto surface. Some
> regions may have activity in different depth of cortex, Ideally, the
> significent level of these regions reflect the peak of the activity
> cross entire depth or the sum of significense of entire depth.
>
> the --interp trilinear may do some toward my goal, but it elimit many
> activities compare to nearest.
>
> Thanks,
>
> Xin Wang
> ------------------------------------------------------------------------
>
> _______________________________________________
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer