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

Structured data 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.

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.

Attribution that defines text placement and appearance.

textRenderingType attributes

anchorPosition

A number between 0 and 8 that specifies which part of the text is bound to the anchorPoint.

• Type: AnchorPositionValue

• Length: 1

• Multiplicity: [1]

font

A value of 0, 1 or 4 that can be used as a basis for determining which font to use when displaying the text.

• Type: TextFontValue

• Length: 1

• Multiplicity: [1]

height

The height of Text. The height is expressed as the distance on the ground covered by the text, in metres.

• Type: Integer

• Length: 3

• Multiplicity: [1]

orientation

The orientation of text or symbol features for cartographic placement, and for text. Given in tenths of a degree anticlockwise from due east (0–3599).

• Type: Angle

• Length: 5

• Multiplicity: [1]