Abstract

Cartographic generalization is the process of small-scale map production from large-scale maps. When the size of the map is reduced, the objects present in the latter can conflict with each other. There may be overlapping of objects, coalesced roads, or imperceptibility problems. Generalization solves these problems through algorithms. However, the generalization is not yet automated due to the lack of algorithms. In this article, a new algorithm for processing turn series on a road to correct the coalescence is investigated. Tests as well as comparisons with existing algorithms are going to be conducted. This research has proven to be beneficial to the field of cartography as there is a lack of algorithms treating complex series of turns when producing a map. The samples used for the study are winding mountainous roads from Algeria, China, Norway, Switzerland, and France.

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