Rendering effective route maps: improving usability through generalization
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Customizing Graphics for Tiny Displays of Mobile Devices
Personal and Ubiquitous Computing
Place learning in humans: The role of distance and direction information
Spatial Cognition and Computation
Halo: a technique for visualizing off-screen objects
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Schematizing Maps: Simplification of Geographic Shape by Discrete Curve Evolution
Spatial Cognition II, Integrating Abstract Theories, Empirical Studies, Formal Methods, and Practical Applications
Pictorial and Verbal Tools for Conveying Routes
COSIT '99 Proceedings of the International Conference on Spatial Information Theory: Cognitive and Computational Foundations of Geographic Information Science
Knowledge-based wayfinding maps for small display cartography
Journal of Location Based Services - 4th International Conference on LBS and TeleCartography Hong Kong
Degradation in spatial knowledge acquisition when using automatic navigation systems
COSIT'07 Proceedings of the 8th international conference on Spatial information theory
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The visualization of geographic information requires large displays. Even large screens can be insufficient to visualize e.g. a long route in a scale, such that all decisive elements (like streets and turns) and their spatial context can be shown and understood at once. This is critical as the visualization of spatial data is currently migrating to mobile devices with small displays. Knowledge based maps, such as μMaps are a key to the visual compression of geographic information: those parts of the environment which are familiar to a user are compressed while the unfamiliar parts are displayed in full detail. As a result μMaps consist of elements of two different frames of reference: a personal and a geographic frame of reference. In this paper we argue for the integration personally meaningful places in μMaps. Their role is to clarify the spatial context without increasing the visual representation and they serve as an experienced based key to different scales (the compressed and uncompressed parts of the environment) of μMaps.