A dual-mode user interface for accessing 3D content on the world wide web

The Web evolved from a text-based system to the current rich and interactive medium that supports images, 2D graphics, audio and video. The major media type that is still missing is 3D graphics. Although various approaches have been proposed (most notably VRML/X3D), they have not been widely adopted. One reason for the limited acceptance is the lack of 3D interaction techniques that are optimal for the hypertext-based Web interface. We present a novel strategy for accessing integrated information spaces, where hypertext and 3D graphics data are simultaneously available and linked. We introduce a user interface that has two modes between which a user can switch anytime: the driven by simple hypertext-based interactions "don't-make-me-think" mode, where a 3D scene is embedded in hypertext and the more immersive 3D "take-me-to-the-Wonderland" mode, which immerses the hypertextual annotations into the 3D scene. A user study is presented, which characterizes the user interface in terms of its efficiency and usability.

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