ProEllipsedataInit

(

Pro3dPnt center

/* (In)

The center of the ellipse

*/

ProVector x_axis

/* (In)

First (x) axis vector of the ellipse

*/

ProVector plane_normal

/* (In)

The axis vector which is normal to the plane of ellipse

*/

double x_radius

/* (In)

The radius of the ellipse in the direction of 'x' axis

*/

double y_radius

/* (In)

The radius of the ellipse in the direction of 'y' axis

*/

double start_ang

/* (In)

The starting angular parameter (in radians) of the ellipse

*/

double end_ang

/* (In)

The end angular parameter (in radians) of the ellipse (The 'y' axis can found as a vector product of plane_normal on x_axis.)

*/

ProCurvedata* p_curve

/* (Out)

The ellipse data structure

*/

)

The function successfully initialized the ellipse data structure.

One or more of the input arguments are invalid.