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[railML3] Units of Gradients [message #3252]

Thu, 20 June 2024 09:45

David Lichti
Messages: 20
Registered: December 2020

Junior Member

Dear community,
Can someone clarify the unit of the gradientCurve@gradient and gradientCurve@deltaGradient attributes? The value type rail3:tGradientPerMille suggests a measure in per mille. But the attribute documentation in the XSD file says "constant gradient of the gradient curve in per million", which is a different unit.

I would expect the commonly used unit ‰. But this should probably also be fixed in the documentation.

Best regards

David

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Re: [railML3] Units of Gradients [message #3253 is a reply to message #3252]

Fri, 21 June 2024 12:06

christian.rahmig
Messages: 458
Registered: January 2016

Senior Member

Dear David,

the attributes @gradient and @deltaGradient should be given in per mille as this is the standard unit for defining gradients in the railway domain.
Therefore, the XSD documentation should be adapted/fixed with railML 3.3.

I filed a ticket for this issue: https://development.railml.org/railml/version3/-/issues/549

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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Re: [railML3] Units of Gradients [message #3261 is a reply to message #3253]

Fri, 21 June 2024 14:57

David Lichti
Messages: 20
Registered: December 2020

Junior Member

Thank you for the clarification, Christian.

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