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Guillaume Riviere

Publications and source records attributed to Guillaume Riviere.

3 recordsLinked to original sources

Shaping Plant-Like Shape-Changing Interfaces as Vertical Charts: Maximizing Readability, Aesthetics, and Naturalness

Conveying environmental data has grown interest in encouraging the adoption of eco-friendly lifestyles through data-driven strategies. This scope appeals to data visualizations representing the environmental purpose. For example, previous work has already proposed nature-inspired counters, gauges, and bitmaps, but data series remains to be explored. Therefore, could we design and implement effective plant-like charts? This paper brings answers through a research-through-design approach that explores a design space to maximize readability and aesthetics. It then compares four prototypes of charts over modality and material dimensions by asking users about scenarios involving renewable energy forecasts. The results examine whether implementing physical charts is worth it instead of graphical charts and the advantages of using meaningful materials that evocate sustainability and enhance naturalness. The results also reexamine, with physical charts, the previous results on graphical infographics of slightly lower clarity and readability but higher aesthetics of embellishment. In addition, learnability is examined for encoding rates through folded shapes. This paper shows that physical plant-like charts are worthwhile because of promising performance and best-of-breed naturalness when materials allow low-tech aspects' perception and because being installable in public places without explanations if folded shapes encode rates ranging from 0 to a maximum value.

cs.HC↗

A Framing and Analysis of Applicative Tangible Interfaces

The investigation of tangible user interfaces commenced approximately thirty years ago. Questions on its commercial potential become more pressing as the field becomes mature. To take the field one step further -- as the emergence of components contributed to the commercial development of graphical user interfaces -- this article suggests that applicative tangible user interfaces could also be split into components. These components are composed of the aggregation, combination, or coupling of physical items and fulfil four roles that are described through a new interaction model. This article successfully distributed among these four components' roles all of the 159 physical items from a representative collection of 35 applications. Further examination of these applicative tangible interfaces coincides with four research phases in the field and identifies three main paths for future research to fully realize the potential of tangible user interfaces.

cs.HC↗

Defining a Role-Centered Terminology for Physical Representations and Controls

Previous classifications advanced research through a better understanding of the field and the variety of tangible user interfaces and related physical user interfaces, especially by discretizing a degree of tangibility based on the specimens produced by the community over the years, since the conceptualization of Tangible User Interface initiated a research effort to deepen the exploration of the concept. However, no taxonomy enables the classification of tangible user interfaces at the application level. This article proposes to refine the description of tangible user interfaces' interactional components through a terminological approach. The resulting terms are blended words, built from known words, that self-contain what digital role is represented or controlled and how it becomes physical. This holistic terminology then enables the definition of applications' hallmarks and four classes of tangibility for applications, which surpass the description of physical user interface specimens' morphology by abstracting and discriminating specimens at the applicative level. The descriptiveness and holisticness of the new terminology, as well as the clustering and discriminative power of the limited number of four classes, are showed on a corpus of applicative tangible user interfaces' specimens from the literature. Promising future work will benefit from the holistic terminology, the applications' hallmarks, and the tangibility classes, to describe applicative tangible user interfaces and related physical user interfaces to better understand the dozens of specimens that were produced by the field over three decades. Indeed, describing and classifying this whole set would deepen our understanding to provide tools for future developers and designers.

cs.HC↗