Applying Guidelines for the Design of Distortions on Focus+Context Interfaces

, und . Proceedings of the Working Conference on Advanced Visual Interfaces (AVI), Seite 244-247. ACM, (2016)


Distortion-based visualization techniques allow users to examine focused regions of a multiscale space at high scales but preserve their contextual information. However, the distortion can come at the coast of confusion, disorientation and impairment of the users' spatial memory. Yet, how distortions influence users' ability to build up spatial memory, while taking into account human skills of perception, interpretation and comprehension, remains underexplored. This note reports findings of an experimental comparison between a distortion-based focus+context interface and an undistorted overview+detail interface. The focus+context technique follows guidelines for the design of comprehensible distortions: make use of real-world metaphors, visual clues like shading, smooth transitions and scaled-only focus regions. The results show that the focus+context technique designed following these guidelines help to keep track of the position within the multiscale space and does not impair users' spatial memory.

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