RTM:spotLocation:linearCoordinate

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Introduction

Documentation

Syntax

Autoexport from the XML-Schema for element RTM:spotLocation:linearCoordinate of railML® version 3.3
    
Description Instance of a localization expressed in a linear reference system, generally a coordinate along a predefined axis.
Subschema Rtm4railml
Parents*

spotLocation

Children**

None

Attributes:
  • positioningSystemRef: references an object using its file-internal ID (obligatory: tRef : xs:IDREF),

  • lateralDistance: absolute value of the lateral offset in unit specified by the referenced positioning system (optional: xs:double : xs:double),

  • lateralSide: lateral side (left or right) in relation to the topology NetElement (as seen in application direction) (optional: tLateralSide : xs:string)
Possible values:
  • left
  • right
  • both,

  • measure: coordinate X on the line Y (being aware that the line Y may be composed of many elements and may contain discontinuities). (obligatory: xs:double : xs:double),

  • verticalDistance: absolute value of the lateral offset in unit specified by the referenced positioning system (optional: xs:double : xs:double),

  • verticalSide: vertical side (above or under) in relation to the topology NetElement (optional: tVerticalSide : xs:string)
Possible values:
  • above: entity is on the axis of track, above track
  • under: entity is on the axis of track, in the middle of a track
*Notice:
Elements may have different parent elements. As a consequence they may be used in different contexts.
Please, consider this as well as a user of this Wiki as when developing this documentation further.
Aspects that are only relevant with respect to one of several parents should be explained exclusively in the documentation of the respective parent element.
**Notice:
To learn, how to interpret multiplicity information like (0..*) go to Class diagram ()

 

This element does not appear in railML® 3.2 within the RTM subschema. It is available only in railML® 3.3. Do not hesitate to contact railML.org e.V. for further questions.

This element does not appear in railML® 3.1 within the RTM subschema. It is available only in railML® 3.3. Do not hesitate to contact railML.org e.V. for further questions.


Changes 3.2→3.3

There exists an overview of all changes between railML® 3.2 and railML® 3.3 on page Dev:Changes/3.3.
Introduced with version 3.3.

Semantics

Semantic Constraint "IS:023":
 
<linearCoordinate>/@measure , <linearCoordinateBegin>/@measure , <linearCoordinateEnd>/@measure must be ≥ @startMeasure and ≤ @endMeasure of the corresponding <linearPositioningSystem>.
 
Proposed on 17 February 2025
Approved on 8 September 2025
Making consistent linearPositioningSystem and linear coordinates (link to the railML® website)

Please, recognize our guidelines on semantic constraints 

Best Practice / Examples

Additional Information

Notes

Additional Information

🗒️ This segment provides background information that is not relevant for the certification process.  


For context please see:

Open Issues

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