refdetector_defs.xml

  <!-- Define parameter -->
  <define>
    <constant name="world_side" value="50*m"/>
    <constant name="world_x"    value="world_side"/>
    <constant name="world_y"    value="world_side"/>
    <constant name="world_z"    value="world_side"/>

    <constant name="tracker_region_zmax" value="6 * m"/>
    <constant name="tracker_region_rmax" value="6 * m"/>

  </define>