<simpleType name="LinearReferencingMethodNameEnum">
  <restriction base="string">
    <enumeration value="trueFootage">
      <annotation>
        <documentation>Distance in decimal feet along the linear element from its start, in the direction of the linear element.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="trueCentimeters">
      <annotation>
        <documentation>Distance in decimal centimeters along the linear element from its start, in the direction of the linear element.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="trueInches">
      <annotation>
        <documentation>Distance in decimal inches along the linear element from its start, in the direction of the linear element.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="trueMeters">
      <annotation>
        <documentation>Distance in decimal meters along the linear element from its start, in the direction of the linear element.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="chainage">
      <annotation>
        <appinfo>
          <diggs:deprecated since="3.0.0" note="trueMeters if the units are meters, trueFootage if they are feet"/>
        </appinfo>
        <documentation>DEPRECATED. Use trueMeters if the units are meters, or trueFootage if they are feet. Distance along the linear element from its start, in the direction of the linear element.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="trueFootageWithOffset">
      <annotation>
        <documentation>Distance in decimal feet along the linear element from its start, in the direction of the linear element. If diggs:offsetParameters is given, the location is then adjusted by the offset it describes. A linearly referenced coordinate is two-dimensional: the distance, then the offset.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="trueMetersWithOffset">
      <annotation>
        <documentation>Distance in decimal meters along the linear element from its start, in the direction of the linear element. If diggs:offsetParameters is given, the location is then adjusted by the offset it describes. A linearly referenced coordinate is two-dimensional: the distance, then the offset.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="referenceFootage">
      <annotation>
        <documentation>Distance in decimal feet along the linear element from a specified referent location, in the direction of the linear element.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="referenceMeters">
      <annotation>
        <documentation>Distance in decimal meters along the linear element from a specified referent location, in the direction of the linear element.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="referenceFootageWithOffset">
      <annotation>
        <documentation>Distance in decimal feet along the linear element from a specified referent location, in the direction of the linear element. If diggs:offsetParameters is given, the location is then adjusted by the offset it describes. A linearly referenced coordinate is two-dimensional: the distance, then the offset.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="referenceMetersWithOffset">
      <annotation>
        <documentation>Distance in decimal meters along the linear element from a specified referent location, in the direction of the linear element. If diggs:offsetParameters is given, the location is then adjusted by the offset it describes. A linearly referenced coordinate is two-dimensional: the distance, then the offset.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="inchMeasure">
      <annotation>
        <documentation>Distance expressed in decimal inches along the linear element, in the direction of the linear element. The location is found from the two anchor points along the linear element that bracket the measurement, interpolating between them using the length of the line segment between them. In DIGGS, used primarily for logging locations on a core sample.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="cmMeasure">
      <annotation>
        <documentation>Distance expressed in decimal centimeters along the linear element, in the direction of the linear element. The location is found from the two anchor points along the linear element that bracket the measurement, interpolating between them using the length of the line segment between them. In DIGGS, used primarily for logging locations on a core sample.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="footMeasure">
      <annotation>
        <documentation>Distance expressed in decimal feet along the linear element, in the direction of the linear element. The location is found from the two anchor points along the linear element that bracket the measurement, interpolating between them using the length of the line segment between them.</documentation>
      </annotation>
    </enumeration>
    <enumeration value="meterMeasure">
      <annotation>
        <documentation>Distance expressed in decimal meters along the linear element, in the direction of the linear element. The location is found from the two anchor points along the linear element that bracket the measurement, interpolating between them using the length of the line segment between them.</documentation>
      </annotation>
    </enumeration>
  </restriction>
</simpleType>