<Feature Node>

• A <Feature Node> specifies a topologically significant <Location>, which may be either 2D or 3D.

• A <Feature Node> specifies

  • the <Location> of some "thing" in the environment, or
  • the endpoint of some<Feature Edge>, or
  • both

• When a <Feature Node> indicates the presence of some "thing" in the environment, a <Point Feature> will be specified for that <Feature Node>.

Feature Node

Location

0..1

Detail,Class DiagramSheet 12

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