IS:trackRef line trackGroups

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IS:trackRef line trackGroups

Scheme description / Schemenbeschreibung

Position of IS:trackRef line trackGroups in the XML-Tree / Position von IS:trackRef line trackGroups im XML-Baum

  • Parent: <line>
  • Children: None

Multiplicity / Anzahl


Semantics / Bedeutung

The element <line> allows for grouping of tracks which are referenced using <trackRef>.

Attributes of IS:trackRef line trackGroups / Attribute von IS:trackRef line trackGroups

  • sequence: This allows for sorting the referenced tracks.

  • ref: This refers to the id attribute of the associated track element.
  • xs:anyAttribute: This provides an extension point for non-railML attributes in a foreign namespace. How to use it?

Syntactic Constraints / Syntaktische Beschränkungen

  • sequence xs:positiveInteger, optional
    If no sequence is provided, the sequence of the referenced tracks shall be assumed as "arbitrary" or "undefined". In no case the sequence of the XML elements in the XML file shall matter.
    Either all or none of the <trackRef> elements in the current <line> element shall carry sequence attributes.
    The referenced track with the lowest sequence value is interpreted as the first element of the current <line>.
    Each sequence value shall only be used once within the current <line>.

Best practice & Examples / Empfohlene Anwendung & Beispiele

Not yet described. / Noch nicht beschrieben.

Notes / Anmerkungen

Not yet described. / Noch nicht beschrieben.

Open issues / Offene Punkte/Pendenzen

Not yet described. / Noch nicht beschrieben.