Component “Inheritance”

Union of Features

Classification Data

tag = EDCS_CC_ROAD

Linear Feature

Linear Feature

Linear Feature

Linear Feature

Linear Feature

Linear Feature

Union of Features

These two representations convey equivalent information.

The <Classification Data> component of a <Union of Features> is“inherited” by the primitive objects contained within that union.

The style used on the right is easier to build and to consume, andis more efficient in terms of storage.

Classification Data

tag = EDCS_CC_ROAD

Instance of DRM Diagram - Sheet 8

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