<simpleType name="CodeCardinalDirectionBaseType">
    <union>
        <simpleType>
            <restriction base="string">
                <enumeration value="N" />
                <enumeration value="NE" />
                <enumeration value="E" />
                <enumeration value="SE" />
                <enumeration value="S" />
                <enumeration value="SW" />
                <enumeration value="W" />
                <enumeration value="NW" />
                <enumeration value="NNE" />
                <enumeration value="ENE" />
                <enumeration value="ESE" />
                <enumeration value="SSE" />
                <enumeration value="SSW" />
                <enumeration value="WSW" />
                <enumeration value="WNW" />
                <enumeration value="NNW" />
            </restriction>
        </simpleType>
        <simpleType>
            <restriction base="string">
                <pattern value="OTHER(:(\w|_){1,58})?" />
            </restriction>
        </simpleType>
    </union>
</simpleType>

• CodeCardinalDirectionBaseType
• aixm:CodeCardinalDirectionType
• aixm:designatorDirection
• aixm:cardinalDirection
• aixm:cardinalDirection