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Delaunay refinement for piecewise smooth complexes

Published: 07 January 2007 Publication History

Abstract

We present a Delaunay refinement algorithm for meshing a piecewise smooth complex in three dimensions with correct topology. The small angles between the tangents of two meeting manifold patches pose difficulty. We protect these regions with weighted points. The weights are chosen to mimic the local feature size and to satisfy a Lipschitz-like property. A Delaunay refinement using the weighted Voronoi diagram is shown to terminate with the recovery of the topology of the input. To this end, we present new concepts and results including a new definition of local feature size and a proof for a generalized topological ball property.

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  1. Delaunay refinement for piecewise smooth complexes

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    Published In

    cover image ACM Conferences
    SODA '07: Proceedings of the eighteenth annual ACM-SIAM symposium on Discrete algorithms
    January 2007
    1322 pages
    ISBN:9780898716245
    • Conference Chair:
    • Harold Gabow

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    Society for Industrial and Applied Mathematics

    United States

    Publication History

    Published: 07 January 2007

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    SODA '07 Paper Acceptance Rate 139 of 382 submissions, 36%;
    Overall Acceptance Rate 411 of 1,322 submissions, 31%

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    • (2016)Multi-material adaptive volume remesherComputers and Graphics10.1016/j.cag.2016.05.01958:C(150-160)Online publication date: 1-Aug-2016
    • (2015)CGALmeshACM Transactions on Mathematical Software10.1145/269946341:4(1-24)Online publication date: 12-Oct-2015
    • (2013)Constructing isosurfaces with sharp edges and corners using cube mergingProceedings of the 15th Eurographics Conference on Visualization10.1111/cgf.12088(11-20)Online publication date: 17-Jun-2013
    • (2009)Feature preserving Delaunay mesh generation from 3D multi-material imagesProceedings of the Symposium on Geometry Processing10.5555/1735603.1735630(1455-1464)Online publication date: 15-Jul-2009
    • (2009)Isotropic remeshing with fast and exact computation of Restricted Voronoi DiagramProceedings of the Symposium on Geometry Processing10.5555/1735603.1735629(1445-1454)Online publication date: 15-Jul-2009
    • (2009)Size complexity of volume meshes vs. surface meshesProceedings of the twentieth annual ACM-SIAM symposium on Discrete algorithms10.5555/1496770.1496883(1041-1047)Online publication date: 4-Jan-2009
    • (2009)Repairing and meshing imperfect shapes with Delaunay refinement2009 SIAM/ACM Joint Conference on Geometric and Physical Modeling10.1145/1629255.1629259(25-33)Online publication date: 5-Oct-2009
    • (2009)Interleaving Delaunay refinement and optimization for practical isotropic tetrahedron mesh generationACM SIGGRAPH 2009 papers10.1145/1576246.1531381(1-9)Online publication date: 27-Jul-2009
    • (2009)Interleaving Delaunay refinement and optimization for practical isotropic tetrahedron mesh generationACM Transactions on Graphics10.1145/1531326.153138128:3(1-9)Online publication date: 27-Jul-2009
    • (2008)DelpscProceedings of the twenty-fourth annual symposium on Computational geometry10.1145/1377676.1377712(220-221)Online publication date: 9-Jun-2008

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