“Putting holes in holey geometry: topology change for arbitrary surfaces” by Bernstein and Wojtan
Conference:
Type(s):
Title:
- Putting holes in holey geometry: topology change for arbitrary surfaces
Session/Category Title: Geometry & Topology
Presenter(s)/Author(s):
Moderator(s):
Abstract:
This paper presents a method for computing topology changes for triangle meshes in an interactive geometric modeling environment. Most triangle meshes in practice do not exhibit desirable geometric properties, so we develop a solution that is independent of standard assumptions and robust to geometric errors. Specifically, we provide the first method for topology change applicable to arbitrary non-solid, non-manifold, non-closed, self-intersecting surfaces. We prove that this new method for topology change produces the expected conventional results when applied to solid (closed, manifold, non-self-intersecting) surfaces—that is, we prove a backwards-compatibility property relative to prior work. Beyond solid surfaces, we present empirical evidence that our method remains tolerant to a variety of surface aberrations through the incorporation of a novel error correction scheme. Finally, we demonstrate how topology change applied to non-solid objects enables wholly new and useful behaviors.
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