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Reading of S-57 Format and Multi-mode Hierarchical Display of Electronic Chart

Author: TangZuoXiang
Tutor: LiuDongFeng
School: Guangdong University of Technology
Course: Communication and Information System
Keywords: S-57 Electronic chart Reading of data Hierarchical display GTK
CLC: U675.81
Type: Master's thesis
Year: 2011
Downloads: 246
Quote: 1
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Abstract


Electronic Chart Display and Information System (referred to as ECDIS) is an important technology invention of marine navigation field. In recent years, as the shipping trade between countries is frequent, based on international standardization of electronic chart display systems have largely replaced the traditional paper nautical charts. The reason why electronic chart technology has developed greatly is that it has the advantage which traditional paper charts can not be emulated. It is not only clearly displayed of various types of chart information, but also has the function of automatic alerts of navigation, quick search for all kinds of information (weather, water, ports, etc.), and the short period of time to locate and update charts. This technology greatly improves the efficiency of the crew in navigation and maritime security, the crew can quickly, easily, real-timely control and receive all kinds of information in navigation, development and promotion of electronic chart software is worthy for practical value.Currently, domestic enterprises are mainly provided by third-party development engine for ECDIS development.Many of them are using Microsoft’s component technology or third-party plug-ins, on this basis, users can quickly and easily work for the second development, but in China, there are a few of unit which can provide such development engine, some of unit was not involved with the basic underlying development, the research was only in a few of relevant universities and research institutions.Firstly, we begin to study the S-57 conversion of digital hydrographic data transmission standards and master the data structure of S-57, use of ISO 8211 lib to reading data and translation the ENC to SENC, store the SENC data with the STL module. The System uses the GTK for graphic user interface (GUI),starting with the basic of display point, line, surface, we take the data to the coordination conversion and Mercator projection, and according the international standards for Electronic Chart Display Standard S-52, we use OpenGL and GTK message mechanism Technology to achieve the electronic chart display hierarchical data display. In addition, this paper was involved with some of the necessary features of ECDIS:charts zoom, automatic multi-mode conversion.Finally, in the Linux environment, we develop for reading and displaying S-57 chart data, with the library lib, other programmers can easily use and package into other S-57 format data applications areas. In recent years, electronic chart technology has developed rapidly, many countries require mandatory installation of the ship sailing Electronic Chart Display and Information System. With the increasing in the amount of data chart, the requirement of capacity for showing and processing chart data is higher and higher, layered electronic chart display is an important direction for the future chart technology development.

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CLC: > Transportation > Waterway transport > Marine Engineering > Ship sailing school > Navigational information > Charts,chart operations
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