Feature‐Preserving Offset Mesh Generation from Topology‐Adapted Octrees

Author:

Zint D.12ORCID,Maruani N.1ORCID,Rouxel‐Labb M.3ORCID,Alliez P.1ORCID

Affiliation:

1. Inria center at Université Côte d'Azur France

2. New York University USA

3. GeometryFactory France

Abstract

AbstractWe introduce a reliable method to generate offset meshes from input triangle meshes or triangle soups. Our method proceeds in two steps. The first step performs a Dual Contouring method on the offset surface, operating on an adaptive octree that is refined in areas where the offset topology is complex. Our approach substantially reduces memory consumption and runtime compared to isosurfacing methods operating on uniform grids. The second step improves the output Dual Contouring mesh with an offset‐aware remeshing algorithm to reduce the normal deviation between the mesh facets and the exact offset. This remeshing process reconstructs concave sharp features and approximates smooth shapes in convex areas up to a user‐defined precision. We show the effectiveness and versatility of our method by applying it to a wide range of input meshes. We also benchmark our method on the Thingi10k dataset: watertight and topologically 2‐manifold offset meshes are obtained for 100% of the cases.

Funder

Agence Nationale de la Recherche

Publisher

Wiley

Subject

Computer Graphics and Computer-Aided Design

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Feature-preserving shrink wrapping with adaptive alpha;Computer Aided Geometric Design;2024-06

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