Physical presence: palettes in virtual spaces

We have built a hand-held palette for touch-based interaction in virtual reality. this palette incorporates a high-resolution digitizing touch screen for input. It is see-through, and therefore does not occlude objects displayed behind it. These properties make it suitable for direct manipulation techniques in a range of virtual reality display systems. We implemented several interaction techniques based on this palette for an interactive scientific visualization task. These techniques, the tool's design, and its limitations are discussed in this paper.

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