Can Bi-cubic Surfaces be Class A?

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dc.contributor.authorKarciauskas, Kestutisen_US
dc.contributor.authorPeters, Jörgen_US
dc.contributor.editorMirela Ben-Chen and Ligang Liuen_US
dc.date.accessioned2015-07-06T05:01:16Z
dc.date.available2015-07-06T05:01:16Z
dc.date.issued2015en_US
dc.description.abstractClass 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 processing. To bridge the gap, this paper explores and gives a concrete suggestion, how to achieve good highlight line distributions for irregular bi-3 tensor-product patch layout by allowing, along some seams, a slight mismatch of normals below the industry- accepted tolerance of one tenth of a degree. Near the irregularities, the solution can be viewed as transforming a higher-degree, high-quality formally smooth surface into a bi-3 spline surface with few pieces, sacrificing formal smoothness but qualitatively retaining the shape.en_US
dc.description.number5en_US
dc.description.sectionheadersQuads and Polygonsen_US
dc.description.seriesinformationComputer Graphics Forumen_US
dc.description.volume34en_US
dc.identifier.doi10.1111/cgf.12711en_US
dc.identifier.pages229-238en_US
dc.identifier.urihttps://doi.org/10.1111/cgf.12711en_US
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.subjectI.x.y [Computer Graphics]en_US
dc.subjectGenerationen_US
dc.subjectSurface generationen_US
dc.titleCan Bi-cubic Surfaces be Class A?en_US
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34-Issue 5
SGP15: Eurographics Symposium on Geometry Processing (CGF 34-5)