Mapping data into colour gamuts: Using interaction to increase usability and reduce complexity

Abstract An interactive system for mapping scientific data into the perceptual gamuts of colour devices is presented. Interaction provides the critical feedback that allows the user to concentrate on the problem domain, rather than be distracted by the combined complexities of the data mapping and realisation problems. By careful interface design, the combined problems of choosing appropriate colour representations, and of achieving colour-consistent visualisation and reproduction, are reduced to an intuitively straightforward set of operations. The interaction draws the user into understanding the limitations of specific colour devices within a device-independent representation, a spatially-represented perceptually uniform colour space. Colour-corrected feedback allows the user to see directly the implications of data mapping choices and strategies for dealing with problems imposed by device limitations, such as out-of-gamut points.

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