<xs:element name="CircularUnitAreaDiameter" type="LinearValueType"><xs:annotation><xs:documentation>The CircularUnitAreaDiameter element is the length in linear units of the diameter of the circular region.</xs:documentation></xs:annotation></xs:element>
<xs:complexType name="CircularUnitAreaType"><xs:annotation><xs:documentation>The CircularUnitAreaType defines a circular region.</xs:documentation></xs:annotation><xs:sequence><xs:element name="CircularUnitAreaDiameter" type="LinearValueType"><xs:annotation><xs:documentation>The CircularUnitAreaDiameter element is the length in linear units of the diameter of the circular region.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:complexType>