<?xml version='1.0' encoding='utf-8'?>
<model>
  <materials>
    <material depletable="true" id="1">
      <density units="g/cc" value="4.5" />
      <nuclide ao="1.0" name="U235" />
    </material>
    <material depletable="true" id="2">
      <density units="g/cc" value="4.5" />
      <nuclide ao="1.0" name="U235" />
    </material>
    <material depletable="true" id="3">
      <density units="g/cc" value="4.5" />
      <nuclide ao="1.0" name="U235" />
    </material>
  </materials>
  <geometry>
    <cell id="1" material="1" region="-1 -4" universe="0" />
    <cell id="2" material="3" region="1 -2 -4" universe="0" />
    <cell id="3" material="2" region="2 -3 -4" universe="0" />
    <surface coeffs="0.0 0.0 2.0" id="1" type="z-cylinder" />
    <surface coeffs="0.0 0.0 5.0" id="2" type="z-cylinder" />
    <surface boundary="vacuum" coeffs="0.0 0.0 10.0" id="3" type="z-cylinder" />
    <surface boundary="vacuum" coeffs="5.0" id="4" type="y-plane" />
  </geometry>
  <settings>
    <run_mode>plot</run_mode>
    <entropy_mesh>1</entropy_mesh>
    <mesh id="1">
      <dimension>5 4 3</dimension>
      <lower_left>-10.0 -10.0 -10.0</lower_left>
      <upper_right>10.0 10.0 10.0</upper_right>
    </mesh>
  </settings>
  <tallies>
    <mesh id="2" type="rectilinear">
      <x_grid>-10.0 10.0</x_grid>
      <y_grid>-10.0 10.0</y_grid>
      <z_grid>-10.0 0.0 5.0 7.5 8.75 10.0</z_grid>
    </mesh>
    <filter id="1" type="mesh">
      <bins>2</bins>
    </filter>
    <tally id="1">
      <filters>1</filters>
      <scores>total</scores>
    </tally>
  </tallies>
  <plots>
    <plot basis="xy" color_by="cell" id="1" type="slice">
      <origin>0.0 0.0 0.0</origin>
      <width>25.0 25.0</width>
      <pixels>200 200</pixels>
      <color id="1" rgb="255 0 0" />
      <meshlines linewidth="0" meshtype="entropy" />
    </plot>
    <plot basis="xz" color_by="cell" id="2" type="slice">
      <origin>0.0 0.0 0.0</origin>
      <width>25.0 25.0</width>
      <pixels>200 200</pixels>
      <mask background="255 255 255" components="1 3" />
      <meshlines id="2" linewidth="0" meshtype="tally" />
    </plot>
    <plot basis="yz" color_by="material" id="3" type="slice">
      <origin>0.0 0.0 0.0</origin>
      <width>25.0 25.0</width>
      <pixels>200 200</pixels>
      <background>0 0 0</background>
    </plot>
    <plot color_by="cell" id="4" type="voxel">
      <origin>0.0 0.0 0.0</origin>
      <width>20.0 20.0 10.0</width>
      <pixels>100 100 10</pixels>
    </plot>
  </plots>
</model>
