Home » railML newsgroups » railML.infrastructure » [railML 3.2] "isSpeedSignal": Suggestion to delete the value "midOfTrain" of element "trainRelation" (The value "midOfTrain" is intended to be deleted with railML version 3.2 .)
[railML 3.2] "isSpeedSignal": Suggestion to delete the value "midOfTrain" of element "trainRelation" [message #2858] Wed, 08 December 2021 16:42 Go to previous message
Karl-Friedemann Jerosch is currently offline  Karl-Friedemann Jerosch
Messages: 11
Registered: May 2020
Junior Member
Dear railML users!

Is anybody using the element "trainRelation" with value "trainRelation="midOfTrain" ?

Note:
The element "trainRelation" is located in railML/infrastructure/functionalInfrastructure/signalsIS/sig nalIS/isSpeedSignal/trainRelation.

Reason:
If the value "midOfTrain" is not used, then this value is intended to be deleted with railML version 3.2.
For the remaining two values, a relation to the corresponding values of UNISIG ETCS variable Q_FRONT will be added
(for example as commentary in the railML scheme and/or as description in railML's wiki):
- "trainRelation="endOfTrain" corresponds to Q_FRONT=0
- "trainRelation="headOfTrain" corresponds to Q_FRONT=1

Reference:
The ETCS variable Q_FRONT with values and meanings are defined by UNISIG SUBSET-026 (versions 2.3.0, 3.4.0 or 3.6.0; section 7.5.1.109).

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