Název:	Nibble meshing: an algorithm for triangulation of non-manifold solid boundary
Autoři:	Marcheix, David Gueorguieva, Stefka
Citace zdrojového dokumentu:	Journal of WSCG. 1997, vol. 5, no. 1-3, p. 351-360.
Datum vydání:	1997
Nakladatel:	Václav Skala - UNION Agency
Typ dokumentu:	článek article
URI:	http://wscg.zcu.cz/wscg1997/wscg97.htm http://hdl.handle.net/11025/15908
ISSN:	1213-6972 (print) 1213-6980 (CD-ROM) 1213-6964 (online)
Klíčová slova:	geometrické modelování;nepotrubní topologie;hraniční reprezentace;výpočetní geometrie;trojúhelníkový generace ok
Klíčová slova v dalším jazyce:	geometric modelling;non-manifold topology;boundary representation;computational geometry;triangular mesh generation
Abstrakt v dalším jazyce:	A computational method, called Nibble algorithm, for triangulation of non-manifold solid boundary is proposed. The algorithm is based on and incremental boundary traversal technique. The mesh generator creates a mesh element-by-element until the whole region is covered no matter the domain complexity (faces with non convex shapes and multi-connected boundaries are treated). At each step of the algorithm, a surface boundary called active boundary is evaluated in such a way that it nibbles the surface to be triangulated. The fundamental feature of this process is the definition of an area, called influence zone, which controls the node insertion and thus avoids edge intersection tests. Further, the generated mesh is refined through an extension of the Laplacian smoothing. It allows an optimization of the smoothing quality without saturating the time complexity. A new technique for adaptive smoothing is also applied in order to speed up the mesh refinement.
Práva:	© Václav Skala - UNION Agency
Vyskytuje se v kolekcích:	Volume 5, number 1-3 (1997)

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