Now showing items 1-20 of 33

    • A practical and robust method to compute the boundary of three-dimensional axis-aligned boxes 

      López Monterde, Daniel; Martínez Bayona, Jonas; Vigo Anglada, Marc; Pla García, Núria (2013)
      Research report
      Open Access
      The union of axis-aligned boxes results in a constrained structure that is advantageous for solving certain geometrical problems. A widely used scheme for solid modelling systems is the boundary representation (Brep). We ...
    • A practical and robust method to compute the boundary of three-dimensional axis-aligned boxes 

      López Monterde, Daniel; Martínez Bayona, Jonàs; Vigo Anglada, Marc; Pla García, Núria (2014)
      Conference report
      Open Access
      The union of axis-aligned boxes results in a constrained structure that is advantageous for solving certain geometrical problems. A widely used scheme for solid modelling systems is the boundary representation (Brep). We ...
    • An incremental algorithm based on edge swapping for constructing restricted Delaunay triangulations 

      Vigo Anglada, Marc (1995-12)
      Research report
      Open Access
      This work presents an algorithm that given a generalized planar graph obtains its Constrained Delaunay Triangulation (CDT). The proposed method works incrementally based in two procedures, one that inserts a new point in ...
    • Aproximació facetada de superfícies paramètriques retallades 

      Vigo Anglada, Marc (Universitat Politècnica de Catalunya, 1998-11-30)
      Doctoral thesis
      Open Access
    • Characterizing the ais data of port tugs in the port of Barcelona 

      Niyazi, Leila; Vigo Anglada, Marc; Pla García, Núria; Murcia González, Juan Carlos; Castells Sanabra, Marcel·la; Mujal Colilles, Anna (Universitat Politècnica de Catalunya. Iniciativa Digital Politècnica, 2024-06-07)
      Conference report
      Open Access
      Tugs are an important part in port activity and navigational safety issues. Port tugs ensure the safety of large vessels while they are entering, maneuvering, mooring and unmooring, and are of huge importance during other ...
    • Computing directional constrained Delaunay triangulations 

      Vigo Anglada, Marc (1998-03)
      Research report
      Open Access
      This work presents two generalizations of the algorithm for obtaining a constrained Delaunay triangulation of a general planar graph presented in [Vig97] and [Vig95]. While the first generalization works with ...
    • Curvature adaptive triangulations of surfaces 

      Vigo Anglada, Marc; Pla García, Núria; Brunet Crosa, Pere (2000-03)
      Research report
      Open Access
      Many application areas in CAD/CAM are concerned with triangulation of surfaces, and require an error bounded approximation of a parametric surface model. In this paper we present an overview of the authors results on ...
    • Desarrollo de una aplicación CAE para el diseño de circuitos de ventilación 

      Ayala Vallespí, M. Dolors; Pla García, Núria; Soto Riera, Antoni; Vigo Anglada, Marc; Vila Marta, Sebastià (1999-07)
      Research report
      Open Access
      En este trabajo se presenta una aplicacion CAE para el diseno de circuitos de ventilacion. En ella se han desarrollado aspectos de diseno del modelo, de la interaccion con el usuario y de simulacion del comportamiento ...
    • Diagrames de Voronoi i grafs de Delaunay de distancies amb pesos i de distàncies el·líptiques 

      Vigo Anglada, Marc (1999-12-01)
      Research report
      Open Access
      This work studies the feasibility of a constrained Delaunay triangulation of a set of points on the plane including directionality pointed by the ellipses associated to the points. Generalizations of the Voronoi diagram ...
    • Directional adaptive surface triangulation 

      Vigo Anglada, Marc; Pla García, Núria; Brunet Crosa, Pere (1999-02)
      Article
      Restricted access - publisher's policy
      Several CAD applications require a surface model of the modeled object consisting of a mesh of triangular facets. In this paper, a new algorithm for triangulation of trimmed surfaces is presented. The algorithm generates ...
    • Efficient algorithms for boundary extraction of 2D and 3D orthogonal pseudomanifolds 

      Vigo Anglada, Marc; Pla García, Núria; Ayala Vallespí, M. Dolors; Martínez Bayona, Jonàs (2011)
      Research report
      Open Access
      In this paper we present algorithms to extract the boundary representation of orthogonal polygons and polyhedra, either manifold or pseudomanifold. The algorithms we develop reconstruct not only the polygons of the boundaries ...
    • Efficient algorithms for boundary extraction of 2D and 3D orthogonal pseudomanifolds 

      Vigo Anglada, Marc; Pla García, Núria; Ayala Vallespí, M. Dolors; Martínez Bayona, Jonás (2012)
      Article
      Restricted access - publisher's policy
      In this paper we present algorithms to extract the boundary representation of orthogonal polygons and polyhedra, either manifold or pseudomanifold. The algorithms we develop reconstruct not only the polygons of the boundaries ...
    • From Degenerate Patches to Triangular and Trimmed Patches 

      Vigo Anglada, Marc; Pla García, Núria; Brunet Crosa, Pere (1996)
      Conference report
      Restricted access - publisher's policy
    • From degenerate patches to triangular and trimmed patches 

      Vigo Anglada, Marc; Pla García, Núria; Brunet Crosa, Pere (1995-03)
      Research report
      Open Access
      CAD systems are usually based on a tensor product representation of free form surfaces. Trimmed patches provide a reasonable solution for the representation of general topologies, provided that the gap between equivalent ...
    • Funciones en el modelado de solidos y paradigmas de diseño 

      Solano Albajés, Lluís; Vigo Anglada, Marc; Puig Puig, Anna (2001-10)
      Research report
      Open Access
      En este artículo se describen y analizan las diferentes funciones de modelado de sólidos más comunes que ofrecen los actuales sistemas de CAD. Se explican también las limitaciones e inconsistencias a qué pueden dar ...
    • Geometric objects in Blender 2.32 

      Vigo Anglada, Marc (2004-05)
      Research report
      Open Access
      The aim of this document is to explore the way that Blender 2.32 stores the information for modeling static scenes. First, the conceptual model the system uses to store geometric objects is explained, guiding the user to ...
    • La modularidad de la mente: origen y transformación de una metáfora 

      Gracia, Manuel de; Vigo Anglada, Marc (2001-05)
      Research report
      Open Access
      In this work we try to make clear the actual reference of the modular hypothesis of the mind, and the epistemological and ontological relevance of the metaphor. We also make a critical evaluation of the contribution of ...
    • Multisided patches 

      Pla García, Núria; Vigo Anglada, Marc; Cotrina Navau, Josep (2004-06)
      Research report
      Open Access
      We 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)
      Research report
      Open Access
      We 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 ...
    • Plataforma de desenvolupament de pràctiques de gràfics 

      Ayala Vallespí, M. Dolors; Brunet Crosa, Pere; Esteve Cusiné, Jordi; Joan Arinyo, Robert; Pérez Vidal, Lluís; Puig Puig, Anna; Solano Albajés, Lluís; Tost Pardell, Daniela; Vigo Anglada, Marc; Vilaplana Pastó, Josep (1999-06)
      Research report
      Open Access