A Geometric relaxation solver for parametric constraint-based models

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Ciències de la Computació
dc.contributor.author	Solano Albajés, Lluís
dc.contributor.author	Brunet Crosa, Pere
dc.date	1998-06
dc.identifier.citation	Solano, L., Brunet, P. "A Geometric relaxation solver for parametric constraint-based models". 1998.
dc.identifier.uri	http://hdl.handle.net/2117/84489
dc.language.iso	eng
dc.relation	LSI-98-40-R
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Informàtica::Infografia
dc.subject	Constraint based models
dc.subject	Constructive parametric solid model
dc.subject	CPSM
dc.subject	Iterative global deformation
dc.subject	Hybrid algorithms
dc.title	A Geometric relaxation solver for parametric constraint-based models
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/report
dc.description.abstract	In this paper, a new relaxation algorithm for solving geometric constraint-based models is proposed. The algorithm starts from a constructive symbolic representation of objects (Constructive Parametric Solid Model, CPSM) and proceeds by iterative relaxation of the geometric constraints. Models that can be reduced to distance and angle constraints can be handled. A new algorithm based on an iterative global deformation of the system is presented and discussed, and its convergence is proved. The performance of hybrid algorithms involving global deformation and individual constraint relaxation is discussed on several practical cases.

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