Get an rgl tmesh3d instance from a brain surface mesh.
fs.surface.to.tmesh3d(surface)
surface
an fs.surface instance, as returned by subject.surface or freesurferformats::read.fs.surface.
subject.surface
freesurferformats::read.fs.surface
a tmesh3d instance, see rgl::tmesh3d for details.
rgl::tmesh3d