<xs:element name="InternalExternal" type="InternalExternalEnumType"><xs:annotation><xs:documentation>The InternalExternal element indicates whether the feature is internal or external.</xs:documentation></xs:annotation></xs:element>
<xs:element name="Diameter" type="LinearValueType"><xs:annotation><xs:documentation>The Diameter element is the nominal diameter of the sphere.</xs:documentation></xs:annotation></xs:element>
The id attribute is the QIF id of the feature, used for referencing.
Source
<xs:complexType name="SphereFeatureDefinitionType"><xs:annotation><xs:documentation>The SphereFeatureDefinitionType defines the sphere feature nominal information that can be common to one or more sphere features.</xs:documentation></xs:annotation><xs:complexContent><xs:extension base="SurfaceFeatureDefinitionBaseType"><xs:sequence><xs:element name="InternalExternal" type="InternalExternalEnumType"><xs:annotation><xs:documentation>The InternalExternal element indicates whether the feature is internal or external.</xs:documentation></xs:annotation></xs:element><xs:element name="Diameter" type="LinearValueType"><xs:annotation><xs:documentation>The Diameter element is the nominal diameter of the sphere.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:extension></xs:complexContent></xs:complexType>