Abstract
A wearable computer is a potential platform for map applications: it is mobile in nature, and is often equipped with a head-worn display capable of displaying maps of the surrounding area in graphical form. In this paper, we present a map application, called WalkMap, developed for wearable computers. We concentrate on the visual presentation of the map, and propose a visualisation method that is based on the perspective distortion of a regular two-dimensional bird's-eye view map. We also describe the results of a field study, and compare the distorted view to a regular two-dimensional view. The results show that while a perspective visualisation is good for some navigational tasks, for some other tasks a regular map is preferred. We then continue by developing the visualisation further, and present a fully adjustable three-dimensional version of the map application, called WalkMap3D. WalkMap3D can display the map area in three dimensions, but is also capable of displaying both traditional two-dimensional and perspective map views.
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Abbreviations
- GLU:
-
OpenGL Graphics System Utility Library
- HWD:
-
Head Worn Display
- LOD:
-
Level of Detail
- VRML:
-
Virtual Reality Modelling Language
- YAH:
-
You Are Here
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Acknowledgements
The authors wish to thank Tero Hakala, Mika Röykkee, Aino Ahtinen, Tomi Aarnio, Ilkka Salminen and Antti Aaltonen from the Nokia Research Center.
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Suomela, R., Roimela, K. & Lehikoinen, J. The evolution of perspective view in WalkMap. Pers Ubiquit Comput 7, 249–262 (2003). https://doi.org/10.1007/s00779-003-0244-9
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DOI: https://doi.org/10.1007/s00779-003-0244-9