<xs:simpleType name="PlaneAngleUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="0.001 seca">
      <xs:annotation>
        <xs:documentation>angular millisecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ccgr">
      <xs:annotation>
        <xs:documentation>centesimal-second</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="cgr">
      <xs:annotation>
        <xs:documentation>centesimal-minute</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="dega">
      <xs:annotation>
        <xs:documentation>angular degree</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="gon">
      <xs:annotation>
        <xs:documentation>gon</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="krad">
      <xs:annotation>
        <xs:documentation>kiloradian</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mila">
      <xs:annotation>
        <xs:documentation>angular mil</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mina">
      <xs:annotation>
        <xs:documentation>angular minute</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="Mrad">
      <xs:annotation>
        <xs:documentation>megaradian</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mrad">
      <xs:annotation>
        <xs:documentation>milliradian</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="rad">
      <xs:annotation>
        <xs:documentation>radian</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="rev">
      <xs:annotation>
        <xs:documentation>revolution</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="seca">
      <xs:annotation>
        <xs:documentation>angular second</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="urad">
      <xs:annotation>
        <xs:documentation>microradian</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>