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Free-Form Sketching With Variational Implicit Surfaces

By Olga Karpenko, John F. Hughes and Ramesh Raskar


With the advent of sketch-based methods for shape construction, there's a new degree of power available in the rapid creation of approximate shapes. Sketch [Zeleznik, 1996] showed how a gesture-based modeler could be used to simplify conventional CSG-like shape creation. Teddy [Igarashi, 1999] extended this to more free-form models, getting much of its power from its "inflation" operation (which converted a simple closed curve in the plane into a 3D shape whose silhouette, from the current point of view, was that curve on the view plane) and from an elegant collection of gestures for attaching additional parts to a shape, cutting a shape, and deforming it

Topics: Categories and Subject Descriptors (according to ACM CCS, I.3.5 [Computer Graphics, Modeling packages I.3.6 [Computer Graphics, Interaction techniques
Year: 2002
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