diff -u -r1.5 -r1.6
--- compact.xml	16 Feb 2012 23:16:24 -0000	1.5
+++ compact.xml	23 Feb 2012 00:07:05 -0000	1.6
@@ -20,21 +20,15 @@

         <constant name="tracking_region_zmax" value="100.0*cm"/>
 
         <!-- SVT module dimensions -->

-        <constant name="moduleX" value="100.0"/>
-        <constant name="moduleY" value="40.34"/>
-
-<!--
-        <constant name="moduleWidth" value="100.0"/>
-        <constant name="moduleLength" value="40.34"/>
--->

+        <constant name="moduleLength" value="100.0"/>
+        <constant name="moduleWidth" value="40.34"/>

 
         <!-- SVT sensor dimensions -->

-        <constant name="sensorX" value="98.33"/>
-<!--        <constant name="sensorY" value="38.34"/>-->
-        <!-- Make this slightly under the real value so sisim doesn't break. -->
-        <constant name="sensorY" value="38.3399"/>

+        <constant name="sensorLength" value="98.33"/>
+        <!-- Sensor width is slightly under the real value of 38.34 mm so that sisim doesn't break. -->
+        <constant name="sensorWidth" value="38.3399"/>

-        <!-- module tilt -->

+        <!-- module tilt for stereo angle -->

         <constant name="SA"  value="0.10" />
         <constant name="SA2"  value="0.05" />
 

@@ -85,8 +79,7 @@

     </display> 
     
     <detectors>

-
-        <!-- ECal -->

+<!--

         <detector id="13"
                   name="Ecal"
                   type="HPSEcal3"

@@ -101,79 +94,85 @@

             </layout>
         </detector>
 

-
-        <detector id="10" name="Target" type="SiTrackerSpectrometer">

+        <detector id="10" name="Target" type="SiTrackerSpectrometer" readout="TargetHits" reflect="false">

             <comment>The Tungsten fixed target.</comment>
             <module name="TungstenTarget">
                 <trd x1="5*cm" x2="5*cm" z="5*cm" />
                 <module_component thickness="0.3504*cm*0.00125" material="Tungsten" sensitive="false"/>
             </module> 
             <layer id="1">

-                <quadrant xStart="0" nx="1" xStep="moduleX" yStart="0" ny="1" yStep="moduleY" phi0="0.0" z="0.0" dz="0.0*cm"  module="TungstenTarget"/>

+                <quadrant xStart="0" nx="1" xStep="moduleLength" yStart="0" ny="1" yStep="moduleWidth" phi0="0.0" z="0.0" dz="0.0*cm"  module="TungstenTarget"/>

             </layer>
         </detector>

+-->

-        <!-- SVT -->

         <detector id="1" name="Tracker" type="HPSTracker" readout="TrackerHits" combineHits="true" flipSA="true" reflect="true">
             <comment> The Silicon Vertex Tracker.</comment>
             <module name="Module1">

-                <box x="moduleX" y="moduleY" />

+                <box x="moduleLength" y="moduleWidth" />

                 <module_component thickness="0.032*cm" material = "Silicon" sensitive="true">

-                    <dimensions x="sensorX" y="sensorY" /> <!-- TODO Get actual dead area size from Tim. -->