Design and display of enhancing information in desktop information-rich virtual environments: challenges and techniques

Authors:
F. Polys;A. Bowman
Affiliations:
Virginia Polytechnic Institute and State University, Department of Computer Science & Center for Human Computer Interaction, 24060, Blacksburg, Virginia, USA;Virginia Polytechnic Institute and State University, Department of Computer Science & Center for Human Computer Interaction, 24060, Blacksburg, Virginia, USA
Venue:
Virtual Reality
Year:
2004

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Abstract

Information-rich virtual environments (IRVEs) have been described as environments in which perceptual information is enhanced with abstract (or symbolic) information, such as text, numbers, images, audio, video, or hyperlinked resources. Desktop virtual environment (VE) applications present similar information design and layout challenges as immersive VEs, but, in addition, they may also be integrated with external windows or frames commonly used in desktop interfaces. This paper enumerates design approaches for the display of enhancing information both internal and external to the virtual world’s render volume. Using standard Web-based software frameworks, we explore a number of implicit and explicit spatial layout methods for the display and linking of abstract information, especially text. Within the VE view, we demonstrate both heads-up-displays (HUDs) and encapsulated scenegraph behaviors we callsemantic objects. For desktop displays, which support information display venues external to the scene, we demonstrate the linking and integration of the scene with Web browsers and external visualization applications. Finally, we describe the application of these techniques in the PathSim visualizer, an IRVE interface for the biomedical domain. These design techniques are relevant to instructional and informative interfaces for a wide variety of VE applications.