The Special Designation and Highways Dedication features contain information on restrictions which apply to a temporal period. The different temporal properties have been categorised and the different categories are detailed below. In addition, they have been given a hierarchy within the RAMI product which is illustrated in the diagram below.
A Named Date would be when a restriction applies to a specified date which is named. For example, All Year or January. There are no further sub-categories of a Named Date.
A Date Range is provided when a restriction applies between two dates and there will always be a start date and an end date. These two dates can be specified using two different data types: either StartDate and EndDate or StartMonthDay or EndMonthDay.
The StartDate and EndDate will always be used for Date Ranges for Special Designation features. These are formatted as YYYY-MM-DD, for example, 2016-09-20.
A Day period would be a restriction which applies on a specified day. A Day Period is made up of the following properties:
Named Day – A restriction which applies to a specified day which is named, for example, Monday or Weekends
Named Period – A restriction which applies to a specified period which is named, for example, School Holidays.
Time Period – A time period is made up of a further two properties:
Named Time – A restriction which applies to a specified time period which is named. That does not necessarily relate to the same time each day consistently across the country, for example, Peak Time.
Time Range – When a restriction applies between two specified times which will always have a start time and an end time. These data types are formatted as HH:MM:SS and will use the 24hr clock, for example, 16:30:00.
This section describes the data types which make up OS MasterMap Highways Network - Paths. The attributes associated with these data types are listed below along with a brief description of their data properties.
The name of the attribute and what it is describing.
The nature of the attribute, for example a numeric value or a code list value.
The length of the attribute provided (optional).
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.
The identifier of the feature being referenced; this will always be the gml:id.
Multiplicity: [1]
Size: 20
Textual description of the location extent of the referenced property when the feature partially references the network.
Type: CharacterString
Multiplicity: [1]
Size: 250
The geometry of where the feature starts.
Type: GM_Point
Multiplicity: [0..1]
The geometry of where the feature ends.
Type: GM_Point
Multiplicity: [0..1]
A linear representation of the feature.
Type: GM_MultiCurve
Multiplicity: [0..1]
An area representation of the feature.
Type: GM_MultiSurface
Multiplicity: [0..1]