Communications of the ACM - Special issue on computer augmented environments: back to the real world
Ariel: augmenting paper engineering drawings
CHI '95 Conference Companion on Human Factors in Computing Systems
Bricks: laying the foundations for graspable user interfaces
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tangible bits: towards seamless interfaces between people, bits and atoms
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Illuminating light: an optical design tool with a luminous-tangible interface
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
BUILD-IT: a planning tool for construction and design
CHI 98 Cconference Summary on Human Factors in Computing Systems
Exploring bimanual camera control and object manipulation in 3D graphics interfaces
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Understanding Computers and Cognition: A New Foundation for Design
Understanding Computers and Cognition: A New Foundation for Design
BUILD-IT: A Brick-based integral Solution Supporting Multidisciplinary Design Tasks
Proceedings of the IFIP Working Group 13.2 Conference on Designing Effective and Usable Multimedia Systems
BUILD-IT: An Intuitive Design Tool Based on Direct Object Manipulation
Proceedings of the International Gesture Workshop on Gesture and Sign Language in Human-Computer Interaction
Graspable user interfaces
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BUILD-IT is a planning tool based on computer vision technology, supporting complex planning and composition tasks. A group of people, seated around a table, interact with objects in a virtual scene using real bricks. A plan view of the scene is projected onto the table, where object manipulation takes place. A perspective view is projected on the wall. The views are set by virtual cameras, having spatial attributes like shift, rotation and zoom. However, planar interaction with bricks provides only position and rotation information. Object height control is equally constrained by planar interaction. The aim of this paper is to suggest methods and tools bridging the gap between planar interaction and three-dimensional control. To control camera attributes, active objects, with intelligent behaviour are introduced. To control object height, several real and virtual tools are suggested. Some of the solutions are based on metaphors, like window, sliding-ruler and floor.