Abstract
The article explore more than a century of nautical charts’ content evolution based on the symbols, published in 1910, 1937, 1961, 1971, 1985 and 2016. This paper presents an analysis of the structure and the “general remarks“ to the publications and describes trends of the symbols correspondence to the standards of the International Hydrographic Organization. The ways of optimizing the structure and the content of charts based on the examples of the coastline and the bottom sediment are proposed . The information on electronic navigation charts, visualization features of mapping objects on them and of their corresponding symbols is provided. The differences in the informational potential of paper and electronic charts are revealed, sample fragments of both charts are demonstrated for comparison. The classifiers for both maps are compared using the example of navigation equipment (buoys). A summary table illustrates the evolution of electronic nautical charts content. The authors prove the conformity of the marine charts content and usage to the modern standards usage to the modern standards and show the ways of their further improvement.
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