Home » railML newsgroups » railml.infrastructure » [railML3] Left and right track of a two-track line (Which terms shall be used to distinguish line tracks?)
[railML3] Left and right track of a two-track line [message #2470] Fri, 26 June 2020 11:50 Go to next message
christian.rahmig is currently offline  christian.rahmig
Messages: 289
Registered: January 2016
Senior Member
Dear all,

in the railML working group for use case "Schematic Track Plan" we recently discussed how the left and right track of a two-track line shall be named (see [1]). Several candidates have already been mentioned:
* left/right
* up/down
* legal/illegal
* normal/opposite

Which of these wordings do you prefer? What is the best practice solution? Any kind of feedback is highly appreciated...

[1] https://www.railml.org/en/event-reader/railml-is-sctp-telco- 2020-06-05.html

Best regards
Christian


Christian Rahmig - Infrastructure scheme coordinator
railML.org (Registry of Associations: VR 5750)
Altplauen 19h; 01187 Dresden; Germany www.railML.org
Re: [railML3] Left and right track of a two-track line [message #2593 is a reply to message #2470] Wed, 18 November 2020 14:26 Go to previous message
christian.rahmig is currently offline  christian.rahmig
Messages: 289
Registered: January 2016
Senior Member
Dear all,

following latest discussions in the railML use case working groups the issue has been sharpened:

It is required to identify the "preferred" track of a line (if existent) where trains usually run. In some countries, this might be the right track, in other countries it maybe the left track. In order not to work with "left track" or "right track", it was suggested to make use of references instead. In particular, we thought about a repeatable child element:

<line><hasPreferredTrack>@ref

In addition, a boolean flag shall be used to indicate whether the line has preferred tracks or not:

<line>@hasPreferredTrack={"yes", "no"}

Any comments from the community are very much appreciated.

Best regards
Christian


Christian Rahmig - Infrastructure scheme coordinator
railML.org (Registry of Associations: VR 5750)
Altplauen 19h; 01187 Dresden; Germany www.railML.org
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