Specifying Requirements for Automatic Generalisation of Electronic Navigational Charts
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The research compiles requirements of various Hydrographic Offices with the recommendations of S-4 and knowledge in model generalisation of topographic maps to create computer translatable rules for generalisation of ENCs. The report presents a set of specifications, rules and tools that allow going from one compilation scale (Approach) to another (Coastal) with minimum human interference. It also discusses shortcomings and rate of success of such approach. The study mainly bases on the existing generalisation operators described in the literature, but where it is just- points out scarceness of the choice and proposes new solutions.