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A Non-photorealistic Lighting Model for Automatic Technical Illustration.

, , , and . SIGGRAPH, page 447-452. ACM, (1998)

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Representation and extraction of volumetric attributes using trivariate splines: a mathematical framework., and . Symposium on Solid Modeling and Applications, page 234-240. ACM, (2001)Arbitrarily precise computation of Gauss maps and visibility sets for freeform surfaces., and . Symposium on Solid Modeling and Applications, page 271-279. ACM, (1995)Surface Creation and Curve Deformations Between Two Complex Closed Spatial Spline Curves., and . GMP, volume 4077 of Lecture Notes in Computer Science, page 221-234. Springer, (2006)Physical modeling with B-spline surfaces for interactive design and animation., and . I3D, page 129-137. ACM, (1990)Real time spline curves from interactively sketched data., and . I3D, page 99-107. ACM, (1990)A Curvature Smooth Lofting Scheme for Singular Point Treatments., , and . Curves and Surfaces, volume 9213 of Lecture Notes in Computer Science, page 129-150. Springer, (2014)Toolpath generation for freeform surface models., and . Comput. Aided Des., 26 (6): 490-496 (1994)Principal curvature ridges and geometrically salient regions of parametric B-spline surfaces., , , and . Comput. Aided Des., 43 (7): 756-770 (2011)Mixed-element volume completion from NURBS surfaces., , and . Comput. Graph., 36 (5): 548-554 (2012)Rates of convergence of control polygons., and . Comput. Aided Geom. Des., 2 (1-3): 229-235 (1985)