CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

authors Szalapaj, Peter J. and Tang, Songlan
year 1994
title Giving Colour to Contextual Hypermedia
source The Virtual Studio [Proceedings of the 12th European Conference on Education in Computer Aided Architectural Design / ISBN 0-9523687-0-6] Glasgow (Scotland) 7-10 September 1994, pp. 191-200
summary Design development evolves within design contexts that require expression as much as the design itself, and these contexts often constrain any presentation in ways that are not usually explicitly thought of. The context of a design object will therefore influence the conceptual ways of thinking about and presenting this object. Support in hypermedia applications for the expression of the colour context, therefore, should be based upon sound theoretical principles to ensure the effective communication of design ideas. Johannes Itten has postulated seven ways to communicate visual information by means of colour contrast effects, each of which is unique in character, artistic value, and symbolic effect. Of these seven contrasting effects, three are in terms of the nature of colour itself: hue, brightness, and saturation. Although conventional computer graphics applications support the application of these colour properties to discrete shapes, they give no analysis of contrasting colour relationships between shapes. The proposed system attempts to overcome this deficiency. The remaining four contrast effects concern human psychology and psychophysics, and are not supported at all in computer graphics applications. These include the cold-warm contrast, simultaneous contrast, complementary contrast, and the contrast of extension. Although contrast effects are divided into the above seven aspects, they are also related to one another. Thus, when the hue contrast works, the light-dark contrast and cold-warm contrast must work at the same time. Computational support for these colour effects form the focus of this paper.
series eCAADe
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