<lccdd>

  <comment> Central Barrel Tracker Silicon </comment>        

  <define>
    <constant name="cb_CTD_rmin"   value="SiliconTrackerInnerRadius + 70.0 * mm"/>
    <constant name="cb_CTD_rmax"   value="SiliconTrackerOuterRadius"/>
    <constant name="cb_CTD_zmax"   value="SiliconTrackerOuterBarrel_zmax"/>
    <constant name="cb_CTD_length" value="SiliconTrackerOuterBarrelLength"/>
    <comment> Si layer opiton </comment>
    <constant name="cb_CTD_Si_gap"    value="5.0 * cm"/>
    <constant name="cb_CTD_Si_layer"  value="15"/>
  </define>

  <limits>
  </limits>

  <regions>
  </regions>

  <display>
  </display>

  <detectors>
    <detector id="cb_CTD_Si_ID" name="cb_CTD_Si" type="cb_CTD_Si" readout="cb_CTD_Si_Hits" vis="cb_CTDVis" insideTrackingVloume="true">
      <dimensions rmin="cb_CTD_rmin" rmax="cb_CTD_rmax" length="cb_CTD_length" zmax="cb_CTD_zmax" gap="cb_CTD_Si_gap"/>
      <layer repeat="cb_CTD_Si_layer" vis="cb_CTD_Si_layerVis">
        <slice name="Silicon_slice" material="Si" sensitive="true"/>
      </layer>
    </detector>
  </detectors>

  <readouts>
    <readout name="cb_CTD_Si_Hits">
      <segmentation type="CartesianGridXY" grid_size_x="1.0*mm" grid_size_y="1.0*mm" />
      <id>system:8,barrel:3,layer:4,x:32:-16,y:-16</id>  
    </readout>
  </readouts>

  <plugins>
  </plugins>

  <fields>
  </fields>
</lccdd>