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Geometric modeling with conical meshes and developable surfaces

Published: 01 July 2006 Publication History

Abstract

In architectural freeform design, the relation between shape and fabrication poses new challenges and requires more sophistication from the underlying geometry. The new concept of conical meshes satisfies central requirements for this application: They are quadrilateral meshes with planar faces, and therefore particularly suitable for the design of freeform glass structures. Moreover, they possess a natural offsetting operation and provide a support structure orthogonal to the mesh. Being a discrete analogue of the network of principal curvature lines, they represent fundamental shape characteristics. We show how to optimize a quad mesh such that its faces become planar, or the mesh becomes even conical. Combining this perturbation with subdivision yields a powerful new modeling tool for all types of quad meshes with planar faces, making subdivision attractive for architecture design and providing an elegant way of modeling developable surfaces.

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cover image ACM Transactions on Graphics
ACM Transactions on Graphics  Volume 25, Issue 3
July 2006
742 pages
ISSN:0730-0301
EISSN:1557-7368
DOI:10.1145/1141911
Issue’s Table of Contents
  • cover image ACM Overlay Books
    Seminal Graphics Papers: Pushing the Boundaries, Volume 2
    August 2023
    893 pages
    ISBN:9798400708978
    DOI:10.1145/3596711
    • Editor:
    • Mary C. Whitton
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 01 July 2006
Published in TOG Volume 25, Issue 3

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Author Tags

  1. developable subdivision surface
  2. developable surface
  3. discrete differential geometry
  4. nonlinear subdivision
  5. offset mesh
  6. principal mesh
  7. quad mesh
  8. surfaces in architecture

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