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1 TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

1 2010

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Generation of Electronic Nautical Chart Data for Assessment of Navigational Safety in Harbour and Waterway Design

Guan K., Shi C., Wu S., Xu T.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2010

Vol. 4, no. 1

17--22

Navigational simulator is widely applied in the assessment of Navigational Safety in the harbour and waterway design. According to the needs of ENC(Electronic Nautical Chart) data in the navigational assessment, this paper analyzes the source of ENC data, such as S-57 data, MVCF(Military Vector Chart Format) data and CAD(Computer Aided Design) data. An effective method of ENC data generation has been developed. Special techniques are investigated for generating ENC data, such as ENC data structure design-ing, chart data conversion, digitization method of raster images of CAD design drawing, optimization ap-proaches and data integration methods. Software has been developed to edit the chart data with good perfor-mance. The technologies developed in this paper have been applied to more than 100 practical projects and successful results have been obtained.