Accentuating focus maps via partial schematization

Authors:
Thomas van Dijk;Arthur van Goethem;Jan-Henrik Haunert;Wouter Meulemans;Bettina Speckmann
Affiliations:
Universität Würzburg, Germany;TU Eindhoven, the Netherlands;Universität Würzburg, Germany;TU Eindhoven, the Netherlands;TU Eindhoven, the Netherlands
Venue:
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Year:
2013

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Abstract

We present an algorithm for schematized focus maps. Focus maps integrate a high detailed, enlarged focus region continuously in a given base map. Recent methods integrate both with such low distortion that the focus region becomes hard to identify. We combine focus maps with partial schematization to display distortion of the context and to emphasize the focus region. Schematization visually conveys geographical accuracy, while not increasing map complexity. We extend the focus-map algorithm to incorporate geometric proximity relationships and show how to combine focus maps with schematization in order to cater to different use cases.