Tracing Field-Coherent Quad Layouts

Given a cross field over a triangulated surface we present a practical and robust method to compute a field aligned coarse quad layout over the surface. The method works directly on a triangle mesh without requiring any parametrization and it is based on a new technique for tracing field‐coherent ge...

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Vydané v:Computer graphics forum Ročník 35; číslo 7; s. 485 - 496
Hlavní autori: Pietroni, Nico, Puppo, Enrico, Marcias, Giorgio, Roberto, Roberto, Cignoni, Paolo
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Oxford Blackwell Publishing Ltd 01.10.2016
Predmet:
Alignment
Analysis
Categories and Subject Descriptors (according to ACM CCS)
Formulations
Geodesy
I.3.3 [Computer Graphics]: Picture/Image Generation-Line and curve generation
Image processing systems
Layouts
Parametrization
Singularities
State of the art
Studies
Topological manifolds
Triangles
ISSN:0167-7055, 1467-8659
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Popis
Shrnutí:Given a cross field over a triangulated surface we present a practical and robust method to compute a field aligned coarse quad layout over the surface. The method works directly on a triangle mesh without requiring any parametrization and it is based on a new technique for tracing field‐coherent geodesic paths directly on a triangle mesh, and on a new relaxed formulation of a binary LP problem, which allows us to extract both conforming quad layouts and coarser layouts containing t‐junctions. Our method is easy to implement, very robust, and, being directly based on the input cross field, it is able to generate better aligned layouts, even with complicated fields containing many singularities. We show results on a number of datasets and comparisons with state‐of‐the‐art methods.
Bibliografia:istex:C4B5241749D5421D24F6116C860FE6AAFBEDAD24
ark:/67375/WNG-SGQFGX31-T
ArticleID:CGF13045
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.13045