Component “Inheritance”

Union of Features

Classification Data

char tag[5] = “EC030”

Classification Data

char tag[5] = “EC030”

Point Feature

Point Feature

Point Feature

Point Feature

Point Feature

Point Feature

Union of Features

These two representations are equivalent.

The Classification Data component of a Union is “inherited”

by the Primitive objects contained within that Union.

The right style may be easier to build and to consume.

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