| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 441391 | Computer Aided Geometric Design | 2006 | 17 Pages |
Abstract
We present an algorithm for local subdivision of Powell–Sabin spline surfaces. The construction of such a spline is based on a particular PS-refinement of a given triangulation. We build the new triangulation on top of this PS-refinement by applying a -subdivision scheme on a local part of the domain. To avoid degeneration we introduce a simple heuristic for refinement propagation, driven by a parameter. This parameter manages the trade-off between the mesh quality and the refinement localization.
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