source: XIOS/xios_training/hands-on-6/answer/iodef.xml_2 @ 2046

<?xml version="1.0"?>
<simulation>
 <context id="test">
   <calendar type="Gregorian" time_origin="2021-01-01" start_date="2021-03" />

   <domain_definition>
     <domain id="domain" type="rectilinear" ni_glo="20" nj_glo="20"/>
   </domain_definition>

   <grid_definition>
     <grid id="grid">
       <domain domain_ref="domain"/>
     </grid>
   </grid_definition>
   
   <field_definition>
     <field id="temp" name="temperature" operation="instant" grid_ref="grid"/>
     <field id="temp2" field_ref="temp"> temp*temp </field>
   </field_definition>

   <file_definition>
     <file id="output" name="output" output_freq="1h" type="one_file" >
       <field field_ref="temp" />
     </file>

     <file name="output_wmax" output_freq="7d" type="one_file" >
       <field field_ref="temp" name="weekly_max_at_noon" operation="maximum" freq_offset="11h" freq_op="1d"/>
     </file>

     <file name="output_wmin" output_freq="7d" type="one_file" >
       <field field_ref="temp" name="weekly_min_at_midnight" operation="minimum" freq_offset="23h" freq_op="1d"/>
     </file>

     <file name="output_v" output_freq="1d" type="one_file" >
       <field id="sigma_T" operation="instant" freq_op="1d" grid_ref="grid"> sqrt(@temp2-@temp*@temp) </field>
     </file>

  </file_definition>

 </context>

  <context id="xios">
     <variable_definition>
        <variable_group id="parameters" >
          <variable id="print_file" type="bool">true</variable>
        </variable_group>
     </variable_definition>
  </context>

</simulation>