Morphology

<xs:complexType name="Morphology">
  <xs:annotation>
    <xs:documentation>The main element which details the neuronal morphology. Cells, various histological features, and properties associated with the data can be contained in this element</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:group ref="meta:metadata"/>
    <xs:element name="cells" type="Cells"/>
    <xs:element name="features" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Collection of all extracellular histological features.</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:group ref="meta:metadata"/>
          <xs:element name="feature" type="Feature" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation>A single feature of note.</xs:documentation>
            </xs:annotation>
            <xs:key name="keyPath">
              <xs:selector xpath=".//path"/>
              <xs:field xpath="@id"/>
            </xs:key>
            <xs:keyref name="pathParentRef" refer="keyPath">
              <xs:selector xpath=".//path"/>
              <xs:field xpath="@parent"/>
            </xs:keyref>
          </xs:element>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
    <xs:element name="propertyDetails" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Collection of all PropertyDetails for this instance.</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="propertyDetail" type="meta:PropertyDetail" maxOccurs="unbounded"/>
        </xs:sequence>
      </xs:complexType>
      <xs:key name="keyProperty">
        <xs:selector xpath=".//propertyDetail"/>
        <xs:field xpath="@property"/>
      </xs:key>
    </xs:element>
    <xs:element name="groupDetails" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Collection of all GroupDetails for this instance.</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="groupDetail" type="meta:GroupDetail" maxOccurs="unbounded"/>
        </xs:sequence>
      </xs:complexType>
      <xs:key name="keyGroup">
        <xs:selector xpath=".//groupDetail"/>
        <xs:field xpath="@group"/>
      </xs:key>
    </xs:element>
  </xs:sequence>
  <xs:attribute name="name" type="xs:string" use="optional">
    <xs:annotation>
      <xs:documentation>An optional name which can be given to the morphology</xs:documentation>
    </xs:annotation>
  </xs:attribute>
  <xs:attribute name="lengthUnits" type="meta:LengthUnits" use="optional">
    <xs:annotation>
      <xs:documentation>Unit of all length measurements. Usually has the value <b>micrometer</b>. Note: length_units will be the preferred form in v2.0</xs:documentation>
    </xs:annotation>
  </xs:attribute>
  <xs:attribute name="length_units" type="meta:LengthUnits" use="optional">
    <xs:annotation>
      <xs:documentation>Unit of all length measurements. Usually has the value <b>micrometer</b>. Note: length_units will be the preferred form in v2.0</xs:documentation>
    </xs:annotation>
  </xs:attribute>
  <xs:attribute name="volumeUnits" type="meta:VolumeUnits" use="optional" default="cubic_millimeter">
    <!-- Note: changed to the American English spelling in v1.8.1...-->
    <xs:annotation>
      <xs:documentation>Unit of all volume measurements.</xs:documentation>
    </xs:annotation>
  </xs:attribute>
</xs:complexType>