The connect curve is displayed between the two
selected points according to the specified continuity and tension
values. 


Connect curve with point continuity at both points 
Connect curve with point continuity at one point
and tangent continuity at the other 




Connect curve with point continuity at one point
and curvature continuity at the other 
Connect curve with tangent continuity at one point
and curvature continuity at the other 




Connect curve with curvature continuity at both points 
Connect curve with tangent continuity at both points 