Investigating User Requirements and Usability of Immersive Three-dimensional Sketching for Early Conceptual Design - Results from Expert Discussions and User Studies

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dc.contributor.authorIsrael, Johann Habakuken_US
dc.contributor.authorZöllner, Christianen_US
dc.contributor.authorMateescu, Magdaen_US
dc.contributor.authorKorkot, Rasimen_US
dc.contributor.authorBittersmann, Gunnaren_US
dc.contributor.authorFischer, Patrick Tobiasen_US
dc.contributor.authorNeumann, Jensen_US
dc.contributor.authorStark, Raineren_US
dc.contributor.editorChristine Alvarado and Marie-Paule Canien_US
dc.date.accessioned2014-01-28T17:57:43Z
dc.date.available2014-01-28T17:57:43Z
dc.date.issued2008en_US
dc.description.abstractAs immersive 3-d user interfaces reach broader acceptance, their use as sketching media is attracting both commercial and academic research. So far little is known about user requirements and cognitive aspects of immersive 3-d sketching. Also its integration into the workflow of virtual product development is far from being solved. In this paper we present results from two focus group expert discussions and a comparative user study on immersive 3-d sketching which we conducted among professional furniture designers. The results of the focus groups show a strong interest in using the three-dimensional space as a medium for conceptual design. Users expect it to provide new means for the sketching process, namely spatiality, one-to-one proportions, associations, and formability. Eight groups of functions required for 3-d sketching were generated during the discussions. The results from the user study show that both the sketching process and the resulting sketches differ in the 2-d and 3-d condition, namely in terms of the perceived fluency of sketch creation, of the perceived appropriateness for the task, of the perceived stimulation by the medium, movement speed, sketch sizes, details, functional aspects, and usage time. We argue that both 2-d and 3-d sketching are relevant for early conceptual design. As progress towards 3-d sketching, new tangible interactive tools are needed which account for the user's perceptual and cognitive abilities.en_US
dc.description.seriesinformationEurographics Workshop on Sketch-Based Interfaces and Modelingen_US
dc.identifier.isbn978-3-905674-07-1en_US
dc.identifier.issn1812-3503en_US
dc.identifier.urihttps://doi.org/10.2312/SBM/SBM08/127-134en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): I.3.3 [Computer Graphics]: Line and Curve Generation); H5.2. Information interfaces and presentation (e.g., HCI): User Interfaces: Input devices and strategies.en_US
dc.titleInvestigating User Requirements and Usability of Immersive Three-dimensional Sketching for Early Conceptual Design - Results from Expert Discussions and User Studiesen_US
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SBM08: Sketch Based Interfaces and Modeling 2008