Hi Victor the order of vertices/faces is somewhat arbirtry. If you want to write out a convolution I would do it on the sphere (and account for the metric tensor of the chart functions), or flatten and do it in the plane.
cheers Bruce On Tue, 28 Nov 2017, Victor Montal Blancafort wrote: > Dear Freesurfer experts, > > I would like to preform several operations in surface files using spatial > kernels (i.e mean value in a 3x3 grid, nearest neighbour value, etc). In > summary, perform operations in the surface such as a 2D matrix/image. > > Is it possible to do it with Freesurfer? I tried to open the surfaces using > Python and Matlab, but as far as I am concerned, the vertex orders does not > follow any "continous" or topological order. > > Any insight would be very appreciated. > Thanks in advance! > > Victor M > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
