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 <trackGroups>s which are referenced using <trackRef>.
Attributes of IS:trackRef line trackGroups / Attribute von IS:trackRef line trackGroups
- sequence: This allows for sorting the referenced <trackGroups>s.
- ref: This refers to the id attribute of the associated <trackGroups> 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 <trackGroups>s 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 <trackGroups> 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>.
- ref xs:IDREF, mandatory
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.