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Authors: Rafael Bidarra 1 ; Alex Noort 1 ; Daniel Lourenço 2 and Pedro Oliveira 2

Affiliations: 1 Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, Netherlands ; 2 Instituto Superior Técnico, Technical University of Lisbon, Portugal

Keyword(s): Feature modelling, direct manipulation, user interaction, handles, constraints.

Related Ontology Subjects/Areas/Topics: Advanced User Interfaces ; CAGD/CAD/CAM Systems ; Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Interactive Environments ; Modeling and Algorithms

Abstract: In current commercial feature modelling systems, support for direct manipulation of features is not commonly available. As a result, re-designing is time-consuming due to the inefficient feedback, the insight given is rather poor, and user interaction often lacks intuitiveness. This is partly due to the lack of speed of current constraint solvers, but also to deficient interactive facilities. In this paper, we argue that providing advanced direct manipulation facilities for feature models is possible and can significantly speed up the product design process, by giving designers a much more intuitive interface, with immediate feedback and deeper insight into the consequences of each modelling action. An approach to such a direct manipulation interface is presented that brings together the advantages of direct manipulation of feature models with the necessary emphasis on fundamental feature modelling paradigms like feature parametrisation and feature validity maintenance. In particular , it offers a powerful combination of various 3D handles for real-valued feature parameters, with a preview overlay facility for all modelling operations. Details are provided on how this approach was successfully implemented in a prototype feature modelling system. (More)

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Paper citation in several formats:
Bidarra, R.; Noort, A.; Lourenço, D. and Oliveira, P. (2007). ADVANCED DIRECT MANIPULATION OF FEATURE MODELS. In Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 2: GRAPP; ISBN 978-972-8865-71-9; ISSN 2184-4321, SciTePress, pages 130-136. DOI: 10.5220/0002080301300136

@conference{grapp07,
author={Rafael Bidarra. and Alex Noort. and Daniel Louren\c{C}o. and Pedro Oliveira.},
title={ADVANCED DIRECT MANIPULATION OF FEATURE MODELS},
booktitle={Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 2: GRAPP},
year={2007},
pages={130-136},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002080301300136},
isbn={978-972-8865-71-9},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the Second International Conference on Computer Graphics Theory and Applications (VISIGRAPP 2007) - Volume 2: GRAPP
TI - ADVANCED DIRECT MANIPULATION OF FEATURE MODELS
SN - 978-972-8865-71-9
IS - 2184-4321
AU - Bidarra, R.
AU - Noort, A.
AU - Lourenço, D.
AU - Oliveira, P.
PY - 2007
SP - 130
EP - 136
DO - 10.5220/0002080301300136
PB - SciTePress