Now showing items 1-17 of 17

  • A constraint-based dynamic geometry system 

    Freixas Boleda, Marc; Joan Arinyo, Robert; Soto Riera, Antoni (Elsevier, 2010-02)
    Article
    Restricted access - publisher's policy
    Dynamic geometry systems are tools for geometric visualization. They allow the user to define geometric elements, establish relationships between them and explore the dynamic behavior of the remaining geometric elements ...
  • A Constraint-Based Dynamic Geometry System 

    Freixas Boleda, Marc; Joan Arinyo, Robert; Soto Riera, Antoni (ACM, 2008)
    Conference report
    Restricted access - publisher's policy
    Dynamic geometry systems are tools for geometric visualization. They allow the user to define geometric elements, establish relationships between them and explore the dynamic behavior of the remaining geometric elements ...
  • A rule-constructive geometric constraint solver 

    Joan Arinyo, Robert; Soto Riera, Antoni (1995-01-01)
    External research report
    Open Access
    This work reports on the implementation of a two-dimensional, variational geometric constraint solver based on a constructive approach. The solver computes a solution in two phases. First, using rewrite rules, the solver ...
  • A Set of rules for a constructive geometric constraint solver 

    Joan Arinyo, Robert; Soto Riera, Antoni (1995-04)
    External research report
    Open Access
    This work presents the set of constructive rules used by a two-dimensional, variational geometric constraint solver based on a constructive approach. The main goal in defining the rules has been to keep the set of rules ...
  • Combining constructive and equational geometric constraint solving techniques 

    Joan Arinyo, Robert; Soto Riera, Antoni (1997-09)
    External research report
    Open Access
    In the past few years, there has been a strong trend towards developing parametric, computer aided design systems based on geometric constraint solving. An efective way to capture the design intent in these systems is ...
  • Computing parameter ranges in constructive geometric constraint solving: A correctness proof 

    Hidalgo Garcia, Marta; Joan Arinyo, Robert; Soto Riera, Antoni (2011)
    External research report
    Open Access
    In parametric design, changing values of parameters to get different solution instances to the problem at hand is a paramount operation. One of the main issues when generating the solution instance for the actual set of ...
  • Declarative characterization of a general architecture for constructive geometric constraint solvers 

    Joan Arinyo, Robert; Soto Riera, Antoni; Vila Marta, Sebastià; Vilaplana Pastó, Josep (2002-02)
    External research report
    Open Access
    Geometric constraint solving is a growing field devoted to solve geometric problems defined by relationships, called constraints, established between the geometric elements. There are several techniques to solve ...
  • Decomposition of geometric constraint graphs based on computing fundamental circuits 

    Joan Arinyo, Robert; Soto Riera, Antoni; Tarres Puertas, Marta Isabel; Vila Marta, Sebastià (2007-09)
    External research report
    Open Access
    The graph-based geometric constraint solving technique works in two steps. First the geometric problem is translated into a graph whose vertices represent de set of geometric elements and whose edges are the constraints. ...
  • 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)
    External 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 ...
  • Dynamic geometry based on geometric constraints 

    Freixas Boleda, Marc; Joan Arinyo, Robert; Soto Riera, Antoni; Vila Marta, Sebastià (2007-07)
    External research report
    Open Access
    Dynamic geometry systems are tools for geometric visualization. They allow the user to define geometric elements, establish relationships between them and explore the dynamic behavior of the remaining geometric elements ...
  • Elements for a modular dynamic geometry system 

    Freixas Boleda, Marc; Joan Arinyo, Robert; Soto Riera, Antoni (2008-03-16)
    Conference report
    Restricted access - publisher's policy
    Dynamic geometry systems are tools for geometric visualization. They allow the user to define geometric elements, establish relationships between them and explore the dynamic behavior of the remaining geometric elements ...
  • Geometric constraint problems and solution instances 

    Hidalgo Garcia, Marta; Joan Arinyo, Robert; Soto Riera, Antoni (2010-05)
    External research report
    Open Access
    Geometric constraint solving is a growing field devoted to solve geometric problems defined by relationships, called constraints, established between the geometric elements. In this work we show that what characterizes a ...
  • Interval methods for constructive geometric constraint solving problems 

    Joan Arinyo, Robert; Mata, Núria; Soto Riera, Antoni (2002-01)
    External research report
    Open Access
    In advanced computer-aided design systems, an object is defined by a collection of geometric elements along with a set of geometric constraints between them. Given the values assigned to the constraint parameters, ...
  • Revisiting decomposition analysis of geometric constraint graphs 

    Joan Arinyo, Robert; Soto Riera, Antoni; Vila Marta, Sebastià; Vilaplana Pastó, Josep (2002-02)
    External research report
    Open Access
    Geometric problems defined by constraints can be represented by geometric constraint graphs whose nodes are geometric elements and whose arcs represent geometric constraints. Reduction and decomposition are techniques ...
  • Searching the solution space in constructive geometric constraint solving with genetic algorithms 

    Joan Arinyo, Robert; Luzón, M.V.; Soto Riera, Antoni (2002-05)
    External research report
    Open Access
    Geometric problems defined by constraints have an exponential number of solution instances in the number of geometric elements involved. Generally, the user is only interested in one instance such that besides fulfilling ...
  • Tools to deal with under-constrained geometric constraint graphs 

    Joan Arinyo, Robert; Soto Riera, Antoni; Vila Marta, Sebastià (2003-12)
    External research report
    Open Access
    We present tools for handling geometric constraint problems with under-constrained configurations. The basic idea is to add to the given set of constraints a set of extra constraints which can be defined either automatically ...
  • Transforming an under-constrained geometric constraint problem into a well-constrained one 

    Joan Arinyo, Robert; Soto Riera, Antoni; Vila Marta, Sebastià; Vilaplana Pastó, Josep (2002-12)
    External research report
    Open Access
    We present an approach for handling geometric constraint problems with under-constrained configurations. The approach works by completing the given set of constraints with constraints that can be defined either ...