3D Free-Form Modeling with Variational Surfaces
Alvaro Cuno, Cláudio Esperança, Paulo Roma Cavalcanti, Ricardo Farias · Digital Library (University of West Bohemia) · 2005
We describe a free-form stroke-based modeling system where objects are primarily represented by means of variational surfaces. Although similar systems have been described in recent years, our approach achieves both a good performance and reduced surface leak problems by employing a coarse mesh as support for constraint points. The prototype implements an adequate set of modeling operations, “undo ” and “redo ” facilities and a clean interface capable of resolving ambiguities by means of suggestion thumbnails.