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Feature types

This section describes the features which make up OS VectorMap Local. The attributes associated with these feature types are listed below along with a brief description of their data properties.

Feature type attribute information

Name and Definition

The name of the attribute and what it is describing.

Data type

The nature of the attribute, for example a numeric value or a code list value.

Size/Length

The length of the attribute provided (optional).

Multiplicity

Describes how many times this element is expected to be populated in the data. An attribute may be optional or mandatory within the product. These are denoted by:

  • ‘1’ – there must be a value.

  • ‘0..1’ – population is optional but a maximum of one attribute will be returned These values may be used in combination.

UML diagram showing the OS VectorMap Local feature types, code lists and data type for the GML supply. The six feature types of Area, Line, VectorMapPoint, RoadCLine, RailCLine and Text appear in orange boxes and all their attributes and constraints are listed. The five code lists and their individual values appear in blue boxes. The single data type of textRenderingType and its four attributes appear in a purple box. The feature types, code lists and data type are described in detail in the tables within Section 5 of the document.
UML class diagram showing the OS VectorMap Local feature types, code lists and data type for the GML supply.

Feature type list

OS VectorMap Local contains six feature types:

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