Exploració per autor "Pla García, Núria"
Ara es mostren els items 14-27 de 27
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Modelling surfaces from planar irregular meshes
Cotrina Navau, Josep; Pla García, Núria (1998-06)
Report de recerca
Accés obertWe present a method for constructing surfaces from irregular control meshes that can be embedded in the plane. This method results from a generalization of B-Splines using the known technology of manifolds. The resulting ... -
Multisided patches
Pla García, Núria; Vigo Anglada, Marc; Cotrina Navau, Josep (2004-06)
Report de recerca
Accés obertWe present a method to construct a patch of parametric surface of degree k + 1 that lls a n-sided hole, with n bigger than 2, and whose boundary coincides with a B-Spline, thus, the resulting patch can be easily connected ... -
N-sided patches with B-spline boundaries
Cotrina Navau, Josep; Pla García, Núria; Vigo Anglada, Marc (2001-12)
Report de recerca
Accés obertWe present a method to construct a patch of parametric surface of degree k+1 that fills a n-sided hole, with bigger than 2, and whose boundary coincides with a B-Spline, thus, the resulting patch can be easily connected ... -
Regular triangulations of dynamic sets of points
Vigo Anglada, Marc; Pla García, Núria (2000-10)
Report de recerca
Accés obertThe Delaunay triangulations of a set of points are a class of triangulations which play an important role in a variety of different disciplines of science. Regular triangulations are a generalization of Delaunay ... -
Skeletal representations of orthogonal shapes
Martínez Bayona, Jonás; Pla García, Núria; Vigo Anglada, Marc (2013-07-01)
Article
Accés restringit per política de l'editorialOrthogonal shapes are polygons orpolyhedra enclosed byaxis-aligned edges orfaces, respectively. Inthis paper wepresent two skeletal representatio nsoforthogonal shapes: the cube skeleton and a family ofskeletal represe ... -
Skeletal representations of orthogonal shapes
Martínez Bayona, Jonás; Pla García, Núria; Vigo Anglada, Marc (2012)
Report de recerca
Accés obertIn this paper we present two skeletal representations applied to orthogonal shapes of R^n : the cube axis and a family of skeletal representations provided by the scale cube axis. Orthogonal shapes are a subset of polytopes, ... -
Skeleton computation of an image using a geometric approach
Martínez Bayona, Jonàs; Vigo Anglada, Marc; Pla García, Núria; Ayala Vallespí, M. Dolors (2010-03)
Report de recerca
Accés obertIn this work we develop two algorithms to compute the skeleton of a binary 2D images. Both algorithms follow a geometric approach and work directly with the boundary of the image wich is an orthogonal polygon (OP). One of ... -
Skeleton computation of an image using a geometric approach
Martínez Bayona, Jonás; Vigo Anglada, Marc; Pla García, Núria; Ayala Vallespí, M. Dolors (2010)
Comunicació de congrés
Accés restringit per política de l'editorialIn this work we develop two algorithms to compute the skeleton of a binary 2D image. Both algorithms follow a geometric approach and work directly with the boundary of the image which is an orthogonal polygon (OP). One ... -
Skeleton computation of orthogonal polyhedra
Martínez Bayona, Jonás; Vigo Anglada, Marc; Pla García, Núria (North Holland, 2011-08)
Article
Accés restringit per política de l'editorialSkeletons are powerful geometric abstractions that provide useful representations for a number of geometric operations. The straight skeleton has a lower combinatorial complexity compared with the medial axis. Moreover, while ... -
Splat representation of parametric surfaces
Ayala Vallespí, M. Dolors; Pla García, Núria; Vigo Anglada, Marc (2005-09)
Report de recerca
Accés obertPoint-based geometry representations and their splat-based generalizations have become a suitable technique both for modeling and rendering complex 3D shapes. So, it seems interesting to convert other kind of models to ... -
Surface fairing for ship hull design application.
Brunet Crosa, Pere; Vinacua Pla, Álvaro; Vivo Lorenzo, Manuel; Pla García, Núria; Rodríguez, A (1998-06)
Report de recerca
Accés obertThis paper describes the design and implementation of a fairing module for a ship hull design application. This module is part of a large project on ship design, including facilities for piping, hull design and virtual ... -
The three-dimensional cube and scale cube skeleton
Martínez Bayona, Jonàs; Pla García, Núria; Vigo Anglada, Marc (Springer, 2014)
Article
Accés restringit per política de l'editorialThe recently introduced cube and scale cube skeleton of Martínez et al. (Graph Models 75:189–207, 2013) are a new type of skeletal representations for polygons or polyhedra enclosed by axis-aligned edges or faces. In this ... -
Towards free form surfaces
Cotrina Navau, Josep; Pla García, Núria; Vigo Anglada, Marc (2001-03)
Report de recerca
Accés obertA theoretical approach to construct free form surfaces is presented. We develop the conceps that arise when a free form surface is generated by tracing a mesh, using differentiable manifold theory, and generalizing the ... -
Two triangulations methods based on edge refinement
Ayala Vallespí, M. Dolors; Pla García, Núria; Vigo Anglada, Marc (2003-03)
Report de recerca
Accés obertIn this paper two curvature adaptive methods of surface triangulation are presented. Both methods are based on edge refinement to obtain a triangulation compatible with the curvature requirements. The first method applies ...