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Patching Catmull-Clark meshes

Published: 01 July 2000 Publication History

Abstract

Named after the title, the PCCM transformation is a simple, explicit algorithm that creates large, smoothly joining bicubic Nurbs patches from a refined Catmull-Clark subdivision mesh. The resulting patches are maximally large in the sense that one patch corresponds to one quadrilateral facet of the initial, coarsest quadrilateral mesh before subdivision. The patches join parametrically C2 and agree with the Catmull-Clark limit surface except in the immediate neighborhood of extraordinary mesh nodes; in such a neighborhood they join at least with tangent continuity and interpolate the limit of the extraordinary mesh node. The PCCM transformation integrates naturally with array-based implementations of subdivision surfaces.

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cover image ACM Conferences
SIGGRAPH '00: Proceedings of the 27th annual conference on Computer graphics and interactive techniques
July 2000
547 pages
ISBN:1581132085

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ACM Press/Addison-Wesley Publishing Co.

United States

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Published: 01 July 2000

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Author Tags

  1. CAD
  2. curves & surfaces
  3. geometric modeling

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SIGGRAPH '00 Paper Acceptance Rate 59 of 304 submissions, 19%;
Overall Acceptance Rate 1,822 of 8,601 submissions, 21%

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  • (2024)Patching Non-Uniform Extraordinary PointsIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2023.327166930:8(4683-4693)Online publication date: Aug-2024
  • (2022)Analysis-suitable unstructured T-splines: Multiple extraordinary points per faceComputer Methods in Applied Mechanics and Engineering10.1016/j.cma.2021.114494391(114494)Online publication date: Mar-2022
  • (2022) G 1 – Smooth biquintic approximation of Catmull-Clark subdivision surfacesComputer Aided Geometric Design10.1016/j.cagd.2022.10215899:COnline publication date: 1-Nov-2022
  • (2021)Patching Non-Uniform Extraordinary Points with Sharp FeaturesSIGGRAPH Asia 2021 Posters10.1145/3476124.3488626(1-2)Online publication date: 14-Dec-2021
  • (2020)Subdivision‐Specialized Linear Algebra Kernels for Static and Dynamic Mesh Connectivity on the GPUComputer Graphics Forum10.1111/cgf.1393439:2(335-349)Online publication date: 13-Jul-2020
  • (2019)STEP-NC compliant data model for freeform surface manufacturing based on T-splineInternational Journal of Computer Integrated Manufacturing10.1080/0951192X.2019.166702932:10(979-995)Online publication date: 29-Sep-2019
  • (2018)Sit & Relax: Interactive Design of Body‐Supporting SurfacesComputer Graphics Forum10.1111/cgf.1357337:7(349-359)Online publication date: 24-Oct-2018
  • (2017)Potenziale von Subdivisiontechniken in der ProduktentwicklungZeitschrift für wirtschaftlichen Fabrikbetrieb10.3139/104.10085399:10(570-573)Online publication date: 17-Mar-2017
  • (2017)A free shape 3d modeling system for creative design based on modified catmull-clark subdivisionMultimedia Tools and Applications10.1007/s11042-016-3305-676:5(6429-6446)Online publication date: 1-Mar-2017
  • (2016)G1 non-uniform Catmull-Clark surfacesACM Transactions on Graphics10.1145/2897824.292592435:4(1-8)Online publication date: 11-Jul-2016
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