PK_convexity_t   

typedef int PK_convexity_t;

Used in:

PK_BSURF_sf_t


This field can take any one of the following values.
    'PK_convexity_unset_c'     : convexity not known
    'PK_convexity_arbitrary_c' : any convexity
    'PK_convexity_convex_c'    : convex
    'PK_convexity_concave_c'   : concave