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ID:

AIXM-549

target version:

AIXM 5.2

version:

1.0

last updated:

08 AUG 2022

status:

APPROVED


Description

A new <<feature>> WaterBody and its association with AirportHeliport is added.

Rationale for change

See https://aixmccb.atlassian.net/browse/AIXM-112

It was identified that the <<feature>> WaterBody is missing from AIXM making it impossible to map a relevant element from AMDB ED-99/DO-272 standard.

In response to this discrepancy a WaterBody feature described by a Surface and associated with AirportHeliport is proposed. The association to AirportHeliport is proposed as 0..* in order to avoid duplication in case a water body is located in the vicinity of more than one AirportHeliport.

Impact assessment

There is no impact on existing implementations as the current AIXM 5.1.(.1) data remains fully valid against AIXM 5.2.

When receiving data from AIXM 5.2 implementations, current AIXM 5.1(.1) systems will have to be able to map back the new data elements, as described in the mapping rules further in this document.

Change Proposal details

In the UML model:

  • Add new <<feature>> WaterBody, defined as: “Water body close to the aerodrome movement area.”
  • Add new associations
    • WaterBody isNearby AirportHeliport
      • 0…* on the WaterBody side,
      • 0…* on the AirportHeliport side, “location” role name, definition = “The AirportHeliport and its movement area that is situated close to the water body.”
    • WaterBody hasExtent Surface (composition)
      • 0…1 on the Surface side, “extent” role name, definition = “Extent of the water body.”
    • WaterBody hasAnnotations Note with
      • Note role “annotation” (definition = “A free text remark concerning the water body or one of its properties.”), multiplicity 0…*

The following UML class diagram indicates the new class and its associations:


Mapping AIXM 5.1.1 to AIXM 5.2 (forward)

Not applicable

Mapping AIXM 5.2 to AIXM 5.1.1 (backward)

[MAPC-99] No mapping possible

Mapping example

(Note: for mapping test data see: https://github.com/aixm/mapping_52_511/tree/master/AIXM-xxx) 

AIXM 5.2AIXM 5.1(.1)







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