The full name of S-101 is IHO Electronic Navigational Chart Product Specification, also known as S-101 ENC, which is the latest product specification for electronic navigational charts (ENC).
- Relationship with S-100 standard: As the fundamental specification in the S-100 product specification framework, S-101 provides the base map for electronic charts. Other interoperable products in the S-100 series can be overlaid on S-101 base data, such as S-102 Bathymetric Surface and S-104 Water Level Information.
- Data content and format: S-101 specifies the compilation content, structure, data encoding and metadata for electronic charts. The data storage format is *.000 files, corresponding to the chart group in SuperMap iDesktopX, which contains marine chart feature datasets. As shown below, the properties of S-101 compliant *.000 data typically include name, number of feature datasets, encoding specifications, dataset reference date, and product identifiers.
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| S-101 electronic chart illustration |
The S-100 series is often considered an update to the S-57 series standards (see S-100 Overview). Comparing the two specifications, S-101 - serving as the electronic chart data specification stored in *.000 format - becomes the successor to S-57 (Digital Hydrographic Data Transfer Standard).
SuperMap iDesktopX supports opening, displaying, and querying properties of S-101 data. By default, visibility control for the entire chart is implemented based on the maximum and minimum display scales of DataCoverage features in the S-101 chart data group. In this chapter, you will learn about:
- Open S-101 Data: Explains how to import *.000 files compliant with S-101 electronic chart standards.
- S-101 Data Display: Describes chart data visualization through color mode and depth contour mode settings. Also supports configuring chart display types.
- View S-101 Group Properties: Explains how to query attributes and statistical information of S-101 data groups.
- View S-101 Feature Object Properties: Describes how to inspect attributes, reference objects, and nodes of S-101 feature objects.