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In this paper we propose a novel navigation metaphor for the exploration of 3D city models in virtual environments. The presented metaphor supports intuitive navigation without disorientation through 3D city models in a manner similar to travelling in the real world. Based on a graph representation of the road network of a 3D city model camera paths are calculated and used to enable smooth camera motion. We will explain how smooth camera motions are computed and describe a user interface usabledoi:10.1145/1152399.1152441 dblp:conf/icat/RopinskiSH05 fatcat:f3hzcu5ysbg2nhl3ofsdz6jwna