Title: Interpolatory Subdivision Curves with Local Shape Control
Authors: Beccari, Carolina
Casciola, Giulio
Romani, Lucia
Citation: WSCG '2006: Full Papers Proceedings: The 14-th international Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2006: University of West Bohemia, Plzen, Czech Republic, January 31 – February 2, 2006, p. 33-40.
Issue Date: 2006
Publisher: Václav Skala - UNION Agency
Document type: konferenční příspěvek
URI: http://wscg.zcu.cz/WSCG2006/Papers_2006/Full/!WSCG2006_Full_Proceedings_Final.pdf
ISBN: 80-86943-03-8
Keywords: interpolace;dělení;křivky;grafické modelování
Keywords in different language: interpolation;curves;subdivision;graphic modelling
Abstract: In this paper we present a novel subdivision scheme that can produce a nice-looking interpolation of the control points of the initial polyline, giving the possibility of adjusting the local shape of the limit curve by choosing a set of tension parameters associated with the polyline edges. If compared with the other existing methods, the proposed model is the only one that allows to exactly reproduce conic section arcs of arbitrary length, create a variety of shape effects like bumps and flat edges, and mix them in the same curve in an unrestricted way. While this is impossible using existing 4-point interpolatory schemes, it can be easily done here, since the proposed subdivision scheme is non-stationary and non-uniform at the same time.
Rights: © Václav Skala - UNION Agency
Appears in Collections:WSCG '2006: Full Papers Proceedings

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