Ilustration of the User-Tool [ BezierCurve ].
1) Construct a quadrangle ABCD.
2) Compile the user-tool [ EUC_Scripts\EUC_User_Tools\Bezier.txt ].
3) Select the tool from the menu item [User-Defined\User-Created-Tools\BezierCurve].
4) Click on the four vertices of the quadrangle. Creates the Bezier-Curve with the vertices as control points.
And a more general Bezier curve, consisting of several Bezier-arcs, put together at the join-points A, B, C, .... The curve is constructed immediately, using the corresponding tool of EucliDraw. The lines at the control points-joins of the arcs represent the tangents and the points on these tangents are additional control points.
See Also
ConicThroughBezierRational.html
GeneralBezier.html
RationalBezier.html
References
Duncan Marsh. Applied Geometry for Computer Graphics and CAD Berlin, Springer, 1999, p. 135
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