Ellipse on the horizontal plane, defined by its semi-major and semi-minor axis, and by the orientation (azimuth) of the semi-major axis.
Point contains the coordinates (WGS 84) of point(s) that represent a fixed site.
Polygon is a closed geometric shape on the surface of the Earth, defined by at least three points, used to describe an operational area or an excluded area.
PolygonPoint contains the coordinates (WGS 84) of point(s) that represent a vertex of the polygon.
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