25/04/2020

Investigating Collaborative Exploration of Design Alternatives on a Wall-Sized Display

Yujiro Okuya, Olivier Gladin, Nicolas Ladevèze, Cédric Fleury, Patrick Bourdot

Keywords: computer-aided design, collaboration, wall-sized display

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Abstract: Industrial design review is an iterative process which mainly relies on two steps involving many stakeholders: design discussion and CAD data adjustment. We investigate how a wall-sized display could be used to merge these two steps by allowing multidisciplinary collaborators to simultaneously generate and explore design alternatives. We designed ShapeCompare based on the feedback from a usability study. It enables multiple users to compute and distribute CAD data with touch interaction. To assess the benefit of the wall-sized display in such context, we ran a controlled experiment which aims to compare ShapeCompare with a visualization technique suitable for standard screens. The results show that pairs of participants performed a constraint solving task faster and used more deictic instructions with ShapeCompare. From these findings, we draw generic recommendations for collaborative exploration of alternatives.

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