Criterio de subrasante.

<xs:attribute name="subgradeCrit" default="PARALLEL_CARRIAGE_AND_SHOULDERS">
    <xs:annotation>
        <xs:documentation>Criterio de subrasante.</xs:documentation>
    </xs:annotation>
    <xs:simpleType>
        <xs:restriction base="xs:string">
            <xs:enumeration value="MOBILE_ARISTA" />
            <xs:enumeration value="PARALLEL_CARRIAGE_AND_SHOULDERS" />
            <xs:enumeration value="PARALLEL_CARRIAGE" />
            <xs:enumeration value="PARALLEL" />
            <xs:enumeration value="OC_17_2003" />
            <xs:enumeration value="MIN_SLOPE" />
            <xs:enumeration value="USER_DEFINED_ARISTA" />
            <xs:enumeration value="PARALLEL_CARRIAGE_AND_LEFT_SHOULDER" />
            <xs:enumeration value="FIXED_ARISTA" />
        </xs:restriction>
    </xs:simpleType>
</xs:attribute>