| Excerpt |
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| This section provides ‘ArrestingGearLocation’ feature data encoding guidance. |
Table of Contents
Vocabulary
Information concept:
ArrestingGear: http://www.airm.aero/viewer/1.0.0/conceptual-model.html#ArrestingGear
Data concept:
ArrestingGear: http://www.airm.aero/viewer/1.0.0/logical-model.html#ArrestingGear
Information concepts indicate the reference vocabulary and relations of an ArrestingGearLocation with other concepts. Data concepts indicate the reference features and properties for service architects, information/data architects and system implementers.
General
AMD data encoding can start when the necessary geographic information, aeronautical information and basic knowledge regarding the structure of created feature is available.
From the geographical point of view, the ArrestingGear represents a geographical location of the arresting gear cable across the runway – Curve. For the ArrestingGearLocation two or more points shall be measured. The key attributes are the longitude, latitude and the elevation in reference with WGS-84. In the next part the process of converting the geographical information into the GML form thus into geometry information is described.
Based on Aeronatical Data Catalogue the required type of geometry for feature ArrestingGearLocation is 'Line'. The definition of Curve can be found in the Table A1-9 Data types of the Aeronautical Data Catalogue.
AMD encoding
AIXM 5.1
ED-99 feature ArrestingGearLocation is mapped to the AIXM 5.1 as feature ArrestingGear.
Geometry
In the AIXM 5.1 the geometry of the ArrestingGear can be point, curve or polygon, but in case of this feature the right geometry is curve encoded as object ElevatedCurve.
For more information regarding AIXM 5.1 Geometry encoding follow 'AIXM data coding'.
GML considerations:
AIXM 5.1 is based on GML. Hence, obtained geographical locations shall be transferred into a GML geometry object GeodesicString.
Figure 1 : ArrestingGearLocation
Feature ArrestingGear shall be established in accordance with coding rules and requirements listed in AIXM 5.1 Temporality Model.
AIXM 5.1 features
ArrestingGearLocation is encoded to the AIXM 5.1 as one feature ArrestingGear.
All associations are shown in the UML Diagram (see below).
ArrestingGear
http://aixm.aero/sites/aixm.aero/files/imce/AIXM51HTML/AIXM/Class_ArrestingGear.html
UML Diagram (Runway Direction)
http://aixm.aero/sites/aixm.aero/files/imce/AIXM51HTML/AIXM/Diagram_RunwayDirection.html
| Info | ||
|---|---|---|
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The following AMD properties are not covered in the AIXM 5.1. coding example: vres, hres, integr. These are covered by an AIXM 5.1. extension. |
Coding example - Structure of message
| Code Block | ||
|---|---|---|
| ||
<AIXMBasicMessage ...>
<aixm:messageMetadata>
</aixm:messageMetadata>
<hasMember>
<aixm:AirportHeliport gml:id="uuid.0b7a2688-ab95-47e6-82c2-23fe321c4a48">
</hasMember>
<hasMember>
<aixm:ArrestingGear gml:id="uuid.fd16b480-8dd2-466b-a189-320afd09d1ce">
</hasMember>
<hasMember>
<aixm:Runway gml:id="uuid.de77ab7f-6bb1-43b4-817e-ce4465deb3a3">
</hasMember>
<hasMember>
<aixm:RunwayDirection gml:id="uuid.15a02d30-8723-45d4-bd69-07e8b44a2ce2">
</hasMember>
</AIXMBasicMessage> |
Coding example - ArrestingGearLocation
| Code Block | ||
|---|---|---|
| ||
<hasMember>
<aixm:ArrestingGear gml:id="uuid.fd16b480-8dd2-466b-a189-320afd09d1ce">
<gml:identifier codeSpace="urn:uuid:">fd16b480-8dd2-466b-a189-320afd09d1ce</gml:identifier>
<aixm:timeSlice>
<aixm:ArrestingGearTimeSlice gml:id="uuid.a9bd769f-9965-411d-a21e-df17bd9abb9d">
<gml:validTime>
<gml:TimePeriod gml:id="uuid.a8c7c55d-4204-4bf4-a08b-36a23e0d1f11">
<gml:beginPosition>2020-09-01T00:00:00Z</gml:beginPosition>
<gml:endPosition indeterminatePosition="unknown" />
</gml:TimePeriod>
</gml:validTime>
<aixm:interpretation>BASELINE</aixm:interpretation>
<aixm:sequenceNumber>1</aixm:sequenceNumber>
<aixm:correctionNumber>0</aixm:correctionNumber>
<aixm:featureLifetime>
<gml:TimePeriod gml:id="uuid.2ee43a0d-2560-4347-b5ac-497972ea563e">
<gml:beginPosition>2020-09-01T00:00:00Z</gml:beginPosition>
<gml:endPosition indeterminatePosition="unknown" />
</gml:TimePeriod>
</aixm:featureLifetime>
<aixm:status>NORMAL</aixm:status>
<aixm:runwayDirection xlink:href="#15a02d30-8723-45d4-bd69-07e8b44a2ce2" />
<aixm:extent_curveExtent>
<aixm:ElevatedCurve gml:id="uuid.5d685783-4272-45f3-a544-0d64d765b71d" srsName="urn:ogc:def:crs:EPSG::4326">
<gml:segments>
<gml:GeodesicString interpolation="geodesic">
<gml:posList>50.09299025 14.27569002 50.09346861 14.27622378</gml:posList>
</gml:GeodesicString>
</gml:segments>
</aixm:ElevatedCurve>
</aixm:extent_curveExtent>
</aixm:ArrestingGearTimeSlice>
</aixm:timeSlice>
</aixm:ArrestingGear>
</hasMember> |
Download feature ArrestingGearLocation:
AMXM
https://ext.eurocontrol.int/aixm_confluence/display/AMX/ArrestingGearLocation
TBD