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Introducing the Denmark Depth Model

The Denmark Depth Model (DDM) is a digital bathymetric model covering Denmark’s exclusive economic zone (EEZ). It was developed based on hundreds of bathymetric survey datasets and historical sources and...

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An automated and reliable solution for the generalization of nautical charts

Cartographers working in hydrographic offices and ENC editors have the responsibility of processing bathymetry datasets to generate ENCs compliant with the S-57 IHO standard​. This is a time-consuming and fastidious task that requires a specific set of skills and knowledge. Nowadays, this expertise is challenged by the constant progress being made in data acquisition techniques and equipment, which has led to a significant increase in the number and size of bathymetry datasets. To face these challenges, the CARTONAUT project was launched by Shom cartographers in collaboration with GEOMOD marine geomatics engineers, both located in Brest, France. The project led to the creation of CALHYPSO, an automated solution for the generalization of bathymetry datasets for S-57 ENC production. This article reports the development of CALHYPSO through the CARTONAUT project and provides details about the tool’s concept and features. Cartographers working in hydrographic offices and ENC editors have the responsibility of processing bathymetry datasets to generate ENCs compliant with the S-57 IHO standard​. This is a time-consuming and fastidious...

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