PK_FIN_ask_curve

PK_ERROR_code_t   PK_FIN_ask_curve
(
--- received arguments ---
PK_FIN_t          fin,              --- a fin


--- returned arguments ---
PK_CURVE_t *const curve             --- its curve (possibly PK_ENTITY_null)
)


This function returns the curve attached to the given fin, if there is one,
otherwise PK_ENTITY_null.


If there is no curve attached to the fin, the edge may be accurate, in which
case curve geometry will normally be attached to the edge.