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. 2017 Jun 2;25(4):1059–1127. doi: 10.1007/s11831-017-9220-9

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© The Authors 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 44 — Reparameterization of a trimmed parameter space of a bicubic Bézier patch: a surface $f (\tilde{u}, s)$ that reparameterizes the trimmed parameter space $u$ to a regular one $\tilde{u}$ indicated by the vertical and plane grid, respectively. Lines on the surface mark the associated isocurve along $s_{k}^{i s o} .$ b Profile of the isocurves $f_{k} (\tilde{u})$