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Electronic nautical chart is widely used in sailing to ensure the safety. In this paper, we focus on effective visualization of vector-based electronic nautical chart with spatial indexing enhancement ...

How to read a nautical chart : a complete guide to understanding and using electronic and paper charts by Calder, Nigel Publication date 2012 Topics Nautical charts, Nautical charts -- Symbols ...

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After a three-month trial period, PDF versions of NOAA nautical charts will become a permanent product, free to the public. The free PDFs, which are digital images of traditional nautical charts, are ...

According to the issues encountered by traditional web chart technologies, the paper, following the boom of HTML5, did a research into web mapping of vector nautical charts based on HTML5. The ...

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