Re: [Freesurfer] FW: questions about the surface processing stream

2009-09-16 Thread Bruce Fischl
Hi Lars, yes, the size of the faces is initially fixed - we cover the surface of each segmented wm voxel that borders non wm with 2 triangles. This gets changed by both the topology correction and the surface deformation. Note that the fsaverage surface area is less than any individual subject

[Freesurfer] FW: questions about the surface processing stream

2009-09-16 Thread Lars M. Rimol
Hi, I have a few questions about the surface processing stream: I compared ?h.orig.nofix, ?h.orig, ?h.sphere and ?h.sphere.reg files. The number of triangles and vertices changes between the first two but after that they're constant. But the numbers are different across subjects. For fsa