PK_BCURVE_ask_knots_o_t   

struct PK_BCURVE_ask_knots_o_s
    {
    int            o_t_version;          --- option structure version
    PK_LOGICAL_t   want_expanded_knots;  --- whether to return expanded knot
                                         --- vector.
    };
typedef struct PK_BCURVE_ask_knots_o_s
   PK_BCURVE_ask_knots_o_t;


Holds optional data for the b-curve knot query

Used in:

PK_BCURVE_ask_knots


The option structure defines options applicable to b-spline knot queries.
It currently includes the following fields:
 'want_expanded_knots' Specifies if a full knot vector expanded according to
                       multiplicity is wanted.