Introduction - If you have any usage issues, please Google them yourself
Use OpenGL drawing seven curves: Bezier curves 3rd order (2) uniform B-spline curves 3rd order (2) quasi-uniform B-spline curves 3 step (2) above B-spline curves 4 bands ( 3) uniform B-spline curves 4 bands (3) quasi-uniform B-spline curves 4 bands (3) B-spline curve segments