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_id	d60d
authors	Flemming, U., Bhavnani, S.K. and John, B.E.
year	1997
title	Mismatched Metaphor: User vs. System Model in Computer-Aided Drafting
source	Design Studies 18 (1997), 349-368
summary	We report findings from an extensive study of the users of a Computer-Aided Drafting (CAD) system. Our observations suggest that the CAD system is used inefficiently, because users approach computer_aided drafting from a T-square metaphor reflecting their past experience with traditional drawing media. This prevents them from discovering and using effectively powerful system commands that have no equivalent in manual techniques. These findings suggest that we should rethink the ways in which CAD users are trained and manuals are written, and that we introduce CAD users to a more strategic use of CAD, particularly to a Detail/Aggregate/Manipulate (DAM) strategy that takes advantage of the compositional logic underlying a design.
keywords	Architectural Design, Computer_aided Drafting; User Behaviour; Case Study; Modelling
series	journal paper
email
last changed	2003/05/15 21:45

_id	2698
authors	Chien, Sheng Fen and Flemming, Ulrich
year	1997
title	Information Navigation in Generative Design Systems
doi	https://doi.org/10.52842/conf.caadria.1997.355
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 355-365
summary	Generative design systems take an active part in the generation of computational design models. They make it easier for designers to explore conceptual alternatives, but the amount of information generated during a design session can become very large. Intelligent navigation aids are needed to enable designers to access the information with ease and low cognitive loads. We present an approach to support navigation in generative design systems. Our approach takes account of studies related to navigation in physical environments as well as information navigation in electronic media. Results of studies from the physical environment and electronic media reveal that 1) people exhibit similar cognitive behaviours (spatial cognition and the use of spatial knowledge) while navigating in physical and information spaces; and 2) the information space lacks legibility and imageability. The proposed information navigation model take these findings into account.
series	CAADRIA
email
last changed	2022/06/07 07:55

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