Contextual Routing and Navigation Method in Road Networks

摘要

In this paper, a novel method, namely contextual routing and navigation, is proposed. This method is based on the author's proposed hierarchical, laneoriented 3D road network. The key to implement contextual routing and navigation is to adopt cognition-based hierarchical routing strategy and the view-based multi-scale navigation strategy. The two strategies enable users routing on roadway centreline, carriageway or lane and provides 2D, 2.5D and 3D communicating based on user defined contest. A prototype is also developed in the VGEGIS system and the experimental results have confirmed the effectiveness and efficiency of the method. The paper will provide a contribution to flexible locationbased services by innovatively considering the hierarchical knowledge of the road network system and contextual visualization needs.