ConnectivityPattern

<xs:complexType name="ConnectivityPattern">
  <xs:annotation>
    <xs:documentation>Information on the number of target cells connected to source cells, etc.</xs:documentation>
  </xs:annotation>
  <xs:choice>
    <!-- Lots more scenarios could be described here... -->
    <xs:element name="all_to_all">
      <xs:annotation>
        <xs:documentation>Connect every pre cell to every post cell</xs:documentation>
      </xs:annotation>
      <xs:complexType/>
    </xs:element>
    <xs:element name="fixed_probability">
      <xs:annotation>
        <xs:documentation>For each pre - post pair, there is a fixed probability of connection</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:attribute name="probability" type="meta:ZeroToOne"/>
      </xs:complexType>
    </xs:element>
    <xs:element name="per_cell_connection" type="PerCellConnection">
      <xs:annotation>
        <xs:documentation>Connection built iteratively from each pre (or post) cell based on a number of parameters</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:choice>
</xs:complexType>