ecearth3/sources/xios-2.5/inputs/Unstruct/iodef.xml

<?xml version="1.0"?>
<simulation>

 <context id="surface">
   <calendar type="Gregorian" start_date="2012-03-01 15:00:00" time_origin="2012-02-28 15:00:00 + 1d" />

   <field_definition level="1" enabled=".TRUE." default_value="1000">
     <field id="field_A_srf"  operation="average" freq_op="3600s" grid_ref="grid_A"/>
     <field id="field_A_expand"  operation="average" grid_ref="grid_dst" field_ref="field_A_srf"/>
   </field_definition>

   <file_definition type="one_file" par_access="collective" output_freq="1h" output_level="10" enabled=".TRUE." >
     <file id="output" name="output">
        <field field_ref="field_A_expand" name="field"/>
     </file>
   </file_definition>

   <axis_definition>
     <axis id="axis_srf" positive="up"/>
   </axis_definition>

   <domain_definition>
     <domain id="domain_srf" />     
     <domain id="domain_dst" domain_ref="domain_srf" >
       <expand_domain/>
       <compute_connectivity_domain id="compute" type="node"/>
     </domain>
   </domain_definition>

   <grid_definition>
     <grid id="grid_A">
       <domain domain_ref="domain_srf" />
       <axis axis_ref="axis_srf" />
     </grid>
     <grid id="grid_dst">
       <domain domain_ref="domain_dst" />
       <axis axis_ref="axis_srf" />
     </grid>
   </grid_definition>
  </context>

  <context id="xios">
      <variable_definition>
        <variable_group id="buffer">
            <variable id="optimal_buffer_size" type="string">performance</variable>
            <variable id="buffer_size_factor" type="double">1.0</variable>
         </variable_group>

        <variable_group id="parameters" >
          <variable id="using_server" type="bool">false</variable>
          <variable id="info_level" type="int">50</variable>
          <variable id="print_file" type="bool">true</variable>
        </variable_group>
      </variable_definition>
  </context>

</simulation>