¥The fields are:
HGroup:
Usually the Subject's ID. In the current SUMA version, you can only have one group per spec file. All surfaces
read by SUMA must belong to a group.
HFreeSurferSurface: Name of the FreeSurfer surface.
HSurfaceFormat: ASCII or BINARY
HSurfaceType: FreeSurfer or SureFit
HSurfaceState:
Surfaces can be in different states such as inflated, flattened, etc. The label of a state is
arbitrary and can be defined by the user. The
set of available states must be defined with
StateDef at the beginning of the Spec file.