Geometric continuity of parametric curves: constructions ofgeometrically continuous splines
Barsky, B.A.; DeRose, T.D.
Computer Graphics and Applications, IEEE
Volume 10, Issue 1, Jan 1990 Page(s):60 - 68
Digital Object Identifier   10.1109/38.45811
Summary:Some observations are made concerning the source and nature of shape parameters. It is then described how Bezier curve segments can be stitched together with G¹ or G² continuity, using geometric constructions. These constructions lead to the development of geometric constructions for quadratic G¹ and cubic G² Beta-splines. A geometrically continuous subclass of Catmull-Rom splines based on geometric continuity and possessing shape parameters is discussed

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