Geodesic
Pythagorean Hodograph Curves: A Survey of Recent Advances
Journal for geometry and graphics, Tome 18 (2014) no. 1, pp. 23-43.

Voir la notice de l'article provenant de la source Heldermann Verlag

Pythagorean hodograph (PH) curves, defined by Farouki and Sakkalis in 1990, and their applications in offsetting, CNC machining, motion planning etc., have become an active research area in recent years. These curves (and other objects with a Pythagorean property) have fascinated many researchers and one can find hundreds of papers devoted to this beautiful topic. An early survey on PH curves was done by Farouki in Section 17 of the Handbook of Computer Aided Geometric Design 2002. In 2008, a special issue of the journal CAGD was devoted to "Pythagorean-hodograph curves and related topics". A unified introduction to existing material on shapes with the Pythagorean property and also new research starting points were described in the book by Farouki in the same year. This book can also serve as a detailed survey of the literature concerning PH curves and related topics. However, development never stops and recent years have seen further intensive investigation in the field of PH curves. This paper tries to summarise research on PH curves over the last years in three major strands: polynomial PH curves, rational PH curves, and Hermite interpolation by PH curves in Euclidean and Minkowski plane and space.
Classification : 53A04, 51N35, 14H45, 68U05
Mots-clés : Pythagorean hodograph curves, rational offsets, interpolation 
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J. Kosinka; M. L�vicka . Pythagorean Hodograph Curves: A Survey of Recent Advances. Journal for geometry and graphics, Tome 18 (2014) no. 1, pp. 23-43. http://geodesic.mathdoc.fr/item/JGG_2014_18_1_JGG_2014_18_1_a2/