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- Sérgio Dias, Kuldeep Bora, Abel J. P. Gomes
- HPDC
- 2010

Computing molecular surfaces is important to measure areas and volumes of molecules, as well as to infer useful information about interactions with other molecules. Over the years many algorithms have been developed to triangulate and to render molecular surfaces. However, triangulation algorithms usually are very expensive in terms of memory storage and… (More)

- Abel J. P. Gomes, Alan E. Middleditch, Chris Reade
- Symposium on Solid Modeling and Applications
- 1999

The major purpose of this paper is to introduce a general theory within which previous boundary representations (Breps) are a special case. Basically, this theory combines sub-analyt,ic geometry and theory of stratifications. The sub-analyt,ic geometry covers almost, all geometric engineering artefacts, and it is a generalisation of the semi-analytic… (More)

- Sérgio Dias, Abel J. P. Gomes
- Concurrency and Computation: Practice and…
- 2011

Computing the surface of a molecule (e.g., a protein) plays an important role in the analysis of its geometric structure as needed in the study of interactions between proteins, protein folding, protein docking, and so forth. There are a number of algorithms for the computation of molecular surfaces and their triangulations, but only a few take advantage of… (More)

- Abel J. P. Gomes, Sérgio Dias, José F. M. Morgado
- IEEE Congress on Evolutionary Computation
- 2010

- Alan E. Middleditch, Chris Reade, Abel J. P. Gomes
- Computer-Aided Design
- 1999

This paper is concerned with the mathematics and formal specification of “set-like” operations for the mixed dimension cellular objects of the Djinn Application Programming Interface. The relationships between these operations and stratifications of dimensionally heterogeneous semianalytic point-sets are uncovered and formalised. Semianalytic geometry is… (More)

- Frutuoso G. M. Silva, Abel J. P. Gomes
- Proceedings Theory and Practice of Computer…
- 2004

This paper presents a new edge collapsing-based simplification algorithm for meshes. It is based on the variation of the vectors that are normal to faces around the collapsing edge. Its main novelty is that it uses the same criterion to choose and validate the collapsing edge. Besides, at the best knowledge of the authors, it is the fastest simplification… (More)

- Adriano N. Raposo, Abel J. P. Gomes
- Graphical Models
- 2012

- José F. M. Morgado, Abel J. P. Gomes
- International Conference on Computational Science
- 2004

- Abel J. P. Gomes, José C. G. Teixeira
- Computers & Graphics
- 1991

- Adriano N. Raposo, Abel J. P. Gomes
- IWBBIO
- 2015