Difference between revisions of "TT:ocpTT"

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* {{Attr|shuntingTime}}: This is the driving time used inside a station.
 
* {{Attr|shuntingTime}}: This is the driving time used inside a station.
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* {{Attr|alignment}} optional
 
* {{Attr|alignment}} optional
  
* {{Attr|offset}} {{TT:Doc|tLengthM|string}}, optional
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* {{Attr|offset}} optional
  
 
* {{Attr|shuntingTime}} {{XsdType|duration}}, optional
 
* {{Attr|shuntingTime}} {{XsdType|duration}}, optional

Revision as of 13:49, 9 December 2011

ocpTT
 


Scheme description / Schemenbeschreibung / Description du schéma

Position of ocpTT in the XML-Tree / Position von ocpTT im XML-Baum / position de ocpTT dans l’aborescence XML

Multiplicity / Anzahl / Multiplicité

[1..1]

Semantics / Bedeutung / Sémantique

The element ocpTT describes a single point along the train path. Normally, an ocpTT belongs to a station with an arrivial and departure time. But an ocpTT could also be a blocking signal with or without passing time, or some control point on the train path. It is always referencing a certain ocp defined in the infrastructure part, providing some timetable related information for it.

Das Element ocpTT beschreibt den einzelnen Punkt im Zuglauf. Der ocpTT entspricht einem Fahrzeitmesspunkt. Ein Fahrzeitmesspunkt kann, muss aber keine Betriebsstelle sein. Meist ist ein ocpTT gleichzusetzen mit einen Bahnhof und der dortigen Ankunfts- und Abfahrtszeit. Es kann aber genauso gut ein Blocksignal mit oder ohne Durchfahrtszeit oder auch ein beliebiger Messpunkt auf der Strecke sein. Der jeweilige ocpTT verweist immer auf einen in der Infrastruktur definierten ocp und beschreibt dessen Verwendung im Fahrplan.

Attributes of ocpTT / Attribute von ocpTT / Attributs de ocpTT

  • ocpRef: This refers to the id attribute of the associated <ocp> element.
  • trackRef: This refers to the id attribute of the associated <track> element.
  • trackInfo: This is a description of the station track, often used for the platform number.
  • ocpType: This is a mixture of two informations describing the action of the train at this ocpTT. Possible values are:
  • stop The train is stopping at this ocpTT.
  • pass The train is not stopping at this ocpTT.
  • begin If the trainPart begins at this ocpTT and is not part of a longer train path, this value is used. The start of a train path should be detected by parsing the trains.
  • end If the trainPart ends at this ocpTT and is not part of a longer train path, this value is used. The end of a train path should be detected by parsing the trains.
  • remarks: This is a free attribute for further descriptions.
  • trainReverse: This is true if the train changes its direction of travel at this station. After this station the rollingstock which is referenced in formationTT changes its order. This attribute could also be set at the first station, indicating that the formation starts in reversed order.
  • alignment: This describes the alignment of the arriving train in relation to the point on a track referenced by ocpRef. Possible values are:
  • head
  • center
  • rear
  • offset: This describes the offset of the stopping point in relation to the point on a track referenced by ocpRef.
  • shuntingTime: This is the driving time used inside a station.
  • xs:anyAttribute: This provides an extension point for non-railML attributes in a foreign namespace. How to use it?

Syntactic Constraints / Syntaktische Beschränkungen / Contraintes syntactiques

  • ocpType optional
  • alignment optional
  • offset optional

The sequence of the ocpTT elements inside a trainPart has to be according to the train path.
Die Reihenfolge der ocpTT innerhalb eines Teilzuges trainPart muss mit der Abfolge der Punkte im Zuglauf übereinstimmen.

Best practice & Examples / Empfohlene Anwendung & Beispiele / Bonnes pratiques & exemples

The train is stopping in Zurich (referenced ocp) on track 12 (no reference here). It is stopping with its head 10 meters before actually reaching the crossSection of this ocp, which is assumed to be located at the buffer stop in the main hall of this station. Then the train is changing direction and leaving.

 ...
 <ocpTT ocpRef="_85ZUE" ocpType="stop" trackInfo="12" alignment="head" trainReverse="true" offset="-10">
   <times scope="scheduled" arrival="10:56:00.0" departure="11:04:00.0"/>
 ...

Notes / Anmerkungen / Notes

Not yet described. / Noch nicht beschrieben. / Pas encore décrit.

Open issues / Offene Punkte/Pedenzen / Questions ouvertes

Not yet described. / Noch nicht beschrieben. / Pas encore décrit.