Active guideline: spatiotemporal history as a motion technique and navigation aid for virtual environments

  • Authors:
  • Andreas Simon;Christian Stern

  • Affiliations:
  • FHNW School of Art and Design, Basel, Switzerland;FHNW School of Art and Design, Basel, Switzerland

  • Venue:
  • Proceedings of the 2007 ACM symposium on Virtual reality software and technology
  • Year:
  • 2007

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Abstract

Users of virtual environments regularly have problems using 3D motion interfaces and exhibit a disturbing tendency to become disoriented and get lost quickly in large virtual worlds. We introduce the active guideline, a novel auxiliary motion technique and navigation aid for virtual environments. Similar to the ubiquitous Back-button interface for web navigation, the active guideline implicitly records a history of the user's motion and allows immediate and convenient travel back (and forth) along a trace of the previously traveled path. This lets users revisit previous viewpoints, allowing them to recover from being "lost in space" by enabling easy, continuous backtracking all the way up to the "home" position. In contrast to bookmarking of viewpoints, the active guideline is "always-on" and requires no active user intervention or strategic planning to successfully function as a navigation aid. This paper discusses the behavior and implementation of the active guideline and presents results of an initial study exploring the usability of the technique.