Can bi-cubic surfaces be class A?

• Published in: Computer graphics forum Vol. 34; no. 5; pp. 229 - 238
• Main Authors: Karčiauskas, Kęstutis, Peters, Jörg
• Format: Journal Article
• Language: English
• Published: Oxford Blackwell Publishing Ltd 01.08.2015
• Subjects: Analysis; Automobile industry; Automotive components; Automotive industry; Categories and Subject Descriptors (according to ACM CCS); Highlight lines; I.x.y [Computer Graphics]: Generation-Surface generation; Image processing systems; Product design; Seams; Smoothness; Splines; Studies; Tolerances; Topological manifolds

'Class A surface’ is a term in the automotive design industry, describing spline surfaces with aesthetic, non‐oscillating highlight lines. Tensor‐product B‐splines of degree bi‐3 (bicubic) are routinely used to generate smooth design surfaces and are often the de facto standard for downstream p...