Subdivision Curve Primitives: a New Solution for Interactive Implicit Modeling

Cani Marie-Paule, Hornus Samuel
In International Conference on Shape Modeling&Applications, SMI 2001. IEEE, Gènes, Italie, mai 2001. pages 82–88. IEEE, 2001.
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To remain an attractive model, skeleton-based implicit surfaces have to allow the design and display of shapes at interactive rates. This paper focuses on surfaces whose skeletons are graphs of interconnected curves. We present subdivision-curve primitives that rely on convolution for generating bulge-free and crease-free implicit surfaces. These surfaces are efficiently yet correctly displayed using local meshes around each curve that locally overlap in blending regions. Subdivision-curve primitives offer a practical solution to the unwanted-blending problem that ensures $C^1$ continuity everywhere. Moreover, they can be used to generate representations at different levels of detail, enabling the interactive display of at least a coarse version of the objects, whatever the performance of the workstation.

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author = {Marie-Paule Cani and Samuel Hornus},
title = {Subdivision Curve Primitives: a New Solution for Interactive Implicit Modeling},
booktitle = {International Conference on Shape Modeling & Applications, SMI 2001, May, 2001},
organization = {IEEE},
address = {G\`enes, Italie},
publisher = {IEEE},
pages = {82--88},
month = mai,
year = 2001

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