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Spectral quadrangulation with orientation and alignment control

Published: 01 December 2008 Publication History

Abstract

This paper presents a new quadrangulation algorithm, extending the spectral surface quadrangulation approach where the coarse quadrangular structure is derived from the Morse-Smale complex of an eigenfunction of the Laplacian operator on the input mesh. In contrast to the original scheme, we provide flexible explicit controls of the shape, size, orientation and feature alignment of the quadrangular faces. We achieve this by proper selection of the optimal eigenvalue (shape), by adaption of the area term in the Laplacian operator (size), and by adding special constraints to the Laplace eigenproblem (orientation and alignment). By solving a generalized eigen-problem we can generate a scalar field on the mesh whose Morse-Smale complex is of high quality and satisfies all the user requirements. The final quadrilateral mesh is generated from the Morse-Smale complex by computing a globally smooth parametrization. Here we additionally introduce edge constraints to preserve user specified feature lines accurately.

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Published In

cover image ACM Transactions on Graphics
ACM Transactions on Graphics  Volume 27, Issue 5
December 2008
552 pages
ISSN:0730-0301
EISSN:1557-7368
DOI:10.1145/1409060
Issue’s Table of Contents
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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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 December 2008
Published in TOG Volume 27, Issue 5

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Author Tags

  1. Laplacian eigenfunctions
  2. constrained optimization
  3. quadrangular remeshing

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  • (2023)Mixed-Integer QuadrangulationSeminal Graphics Papers: Pushing the Boundaries, Volume 210.1145/3596711.3596740(249-258)Online publication date: 1-Aug-2023
  • (2022)Quadrilateral layout generation and optimization using equivalence classes of integral curves: theory and application to surfaces with boundariesJournal of Mechanics10.1093/jom/ufac00238(128-155)Online publication date: 13-Apr-2022
  • (2022)Feature-aware reconstruction of trimmed splines using Ricci flow with metric optimizationComputer Methods in Applied Mechanics and Engineering10.1016/j.cma.2022.115555402(115555)Online publication date: Dec-2022
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