Inherited Properties Feature or Interest
Figure 26: UML model of DwellArea
The DwellArea is defined by its center point, the dwellAngleHalfExtent, and the rangeHalfExtent. The center point aggregates the GMTI segment fields D24 and D25,
namely Dwell Area – Center Latitude and Dwell Area – Center Longitude, whereas the dwellAngleHalfExtent and the rangeHalfExtentare direct mappings from the
GMTI fields D26 and D27. The following table illustrates the mapping.
Table 10: Dwell Area STANAG to UML mapping
4607 Field Name 4607 Form
UML Type Center Latitude
SA32 GM_Point
Center Longitude SA32
Range Half Extent BA16
Measure Dwell Angle Half Extent
BA16 Measure
If possible, GMTI defines values ranges and units for all elements. Those ranges cannot be expressed in derived OM schemas, but need to be provided using further
constraint expression mechanisms. In this report, we used UML constraints to highlight this aspect.