ProBsplinesrfdataInit

(

int deg[2]

/* (In)

The basis function's degrees (in the U and V directions).

*/

double* u_par_arr

/* (In)

The ProArray of knots on the parameter line, U.

*/

double* v_par_arr

/* (In)

The ProArray of knots on the parameter line, V.

*/

double* wghts_arr

/* (In)

In the case of rational B-splines, this is a ProArray of the same dimension as the array of c_point_arr. Otherwise, this is NULL.

*/

Pro3dPnt* c_point_arr

/* (In)

The ProArray of control points.

*/

int num_u

/* (In)

The size in U.

*/

int num_v

/* (In)

The size in V.

*/

int num_c_point

/* (In)

The number of control points.

*/

ProSurfaceshapedata* p_surf_shape

/* (Out)

The B-spline surface.

*/

)

The function successfully initialized the B-spline surface.

One or more of the input arguments are invalid.

The degree is greater than effectively supported maximum (3).

The end knots do not have degree + 1 multiplicity.

Some of the inner knots are multiple.