Navigation in the context of GIS (Geographic Information Systems) is associated with a sequence of pan and zoom operations that lead to a specific destination. Navigation, in this context, leads a user to an\u00a0a priori<\/i>\u00a0desired destination. There are cases, however, when users may not have a clear idea of a single destination. In this work, we propose richer navigational schemes by augmenting the concept of navigation to be broader than the goal of arriving at a single destination. This is achieved by identifying typical patterns of map use and the purposes behind such patterns, and defining corresponding navigational schemes. The proposed technique enables what we call\u00a0purpose-driven navigation<\/i>\u00a0of maps, e.g., \u201cscan region\u201d or \u201cexplore neighborhood\u201d. We present example scenarios that demonstrate the benefit of purpose-driven navigation.<\/p>\n","protected":false},"excerpt":{"rendered":"
Navigation in the context of GIS (Geographic Information Systems) is associated with a sequence of pan and zoom operations that lead to a specific destination. Navigation, in this context, leads a user to an\u00a0a priori\u00a0desired destination. There are cases, however, when users may not have a clear idea of a single destination. 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