Integrated manipulation: context-aware manipulation of 2D diagrams

Authors:
Masaaki Honda;Takeo Igarashi;Hidehiko Tanaka;Shuichi Sakai
Affiliations:
The University of Tokyo, Hongo 7-3-1, Bunkyoku, Tokyo, Japan;The University of Tokyo, Hongo 7-3-1, Bunkyoku, Tokyo, Japan;The University of Tokyo, Hongo 7-3-1, Bunkyoku, Tokyo, Japan;The University of Tokyo, Hongo 7-3-1, Bunkyoku, Tokyo, Japan
Venue:
Proceedings of the 12th annual ACM symposium on User interface software and technology
Year:
1999

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Abstract

Diagram manipulation in conventional CAD systems requires frequent mode switching and explicit placement of the pivot for rotation and scaling. In order to simplify this process, we propose an interaction technique called integrated manipulation, where the user can move, rotate, and scale without mode switching. In addition, the pivot for rotation and scaling automatically snaps to a contact point during moving operation. We performed a user study is performed using our prototype system and a commercial CAD system. The results showed that users could perform a diagram manipulation task much more rapidly using our technique.