diff -u -r1.1 -r1.2
--- PolyhedraEndcapCalorimeterTest.xml	12 Sep 2007 18:24:32 -0000	1.1
+++ PolyhedraEndcapCalorimeterTest.xml	12 Feb 2009 21:43:26 -0000	1.2
@@ -24,16 +24,25 @@

   <materials>
   </materials>
 

+  <display>
+    <vis name="DetectorVis" showDaughters="true" visible="false"/>
+    <vis name="LayerVis" showDaughters="true" visible="false"/>
+    <vis name="SensorVis" r="0.0" g="0.5" b="0.5" showDaughters="false" visible="true"/>
+    <vis name="AbsorberVis" r="0.5" g="0.5" b="0.0" showDaughters="false" visible="true"/>
+  </display>
+

   <detectors>
     <detector id="1" 
               name="PolyhedraEndcapCalorimeterTest" 
               type="PolyhedraEndcapCalorimeter" 
               readout="CalHits"

-              reflect="true">

+              reflect="true"
+              vis="DetectorVis">

          <dimensions numsides="8" zmin="1000.0" rmin="500.0" rmax="1000.0" />

-         <layer repeat="10">         
-           <slice material="Silicon" thickness="5.0" sensitive="yes" />
-           <slice material="Tungsten" thickness="10.0" sensitive="yes" />

+         <layer repeat="10" vis="LayerVis"> 
+           <slice material="Silicon" thickness="5.0" sensitive="yes" vis="SensorVis" />
+           <slice material="Air" thickness="5.0" sensitive="no" vis="InvisibleNoDaughters"/>
+           <slice material="Tungsten" thickness="10.0" sensitive="yes" vis="AbsorberVis"/>

          </layer>
     </detector>
   </detectors>