The AngularCoordinateDirectionEnumType enumerates values that describe the direction for an angular coordinate characteristic. (See LinearCoordinateDirectionEnumType for usage guidelines.)
<xs:simpleType name="AngularCoordinateDirectionEnumType"><xs:annotation><xs:documentation>The AngularCoordinateDirectionEnumType enumerates values that describe the direction for an angular coordinate characteristic. (See LinearCoordinateDirectionEnumType for usage guidelines.)</xs:documentation></xs:annotation><xs:restriction base="xs:NMTOKEN"><xs:enumeration value="ANGULAR"/><xs:enumeration value="AZIMUTH"/><xs:enumeration value="POLAR"/></xs:restriction></xs:simpleType>