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Manfred Beckmann

Manfred Beckmann

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Positions of navaids or designated points may be used in the aeronautical information domain in order to define the shape of an airspace. They can be used as arc centers or even as boundary points.

The UML model of AIXM shows a “dependency” association between Surface and SignificantPoint in order to cater for such situations.

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For the angle values the spatial reference system used (srsName) has to be taken into account. In this example a SRS is applied (OGC.1.3:CRS84) that requires the lontitude longitude value first and then the latitude value second.

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