Add isLimitedBy description to an area

Description

An area need to reference its bordering infrastructure elements.

Background

This ticket was raised by Norway as part of the standardization in Norway and shall be used commonly in the future.

This is a sub-element introduced in raiLML2.4nor.

The sub-element allows the element (see trac ticket #393) to reference the border elements.

For more details see document “railML2.4nor Infrastructure Documentation“ (https://www.jernbanedirektoratet.no/railML), version 1.3, 03.07.2020, point 4.9.3.

Links

• Forum discussion:
• Torben Brand, 12.03.2021: [​https://www.railml.org/forum/index.php?t=msg&th=804&goto=2681&#msg_2681]
• Torben Brand, 20.12.2018: ​[https://www.railml.org/forum/index.php?t=msg&goto=2051&#msg_2051]
• Torben Brand, 14.07.2018: [​https://www.railml.org/forum/index.php?t=msg&goto=1882&&srch=track+section#msg_1882]
• Trac tickets:
• #393
• #396 (closed)
• Wiki documentation:
• none

Proposed solution in railML 2.5

see Trac ticket #393