diff -u -r1.1 -r1.2
--- CollectionHandler.java	1 May 2007 23:36:37 -0000	1.1
+++ CollectionHandler.java	4 Dec 2008 00:12:51 -0000	1.2
@@ -1,5 +1,6 @@

 package org.lcsim.detector.driver;
 

+import java.util.Arrays;

 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;

@@ -11,6 +12,14 @@

 {
     Set<String> collections = new HashSet<String>();
     

+    public CollectionHandler()
+    {}
+    
+    public void setCollections(String[] collectionNames)
+    {
+    	collections.addAll(Arrays.asList(collectionNames));
+    }
+    

     public CollectionHandler(List<String> collectionNames)
     {        
         for ( String collection : collectionNames )

@@ -26,7 +35,7 @@

             this.collections.add(collection);
         }
     }

-       

+           

     public boolean canHandle( String collectionName )
     {
         return collections.contains( collectionName );

diff -u -r1.4 -r1.5
--- SimTrackerHitIdentifierReadoutDriver.java	6 Aug 2007 20:40:41 -0000	1.4
+++ SimTrackerHitIdentifierReadoutDriver.java	4 Dec 2008 00:12:51 -0000	1.5
@@ -3,9 +3,11 @@

 import java.util.List;
 
 import org.lcsim.detector.DetectorElementStore;

+import org.lcsim.detector.IDetectorElement;

 import org.lcsim.detector.IDetectorElementContainer;
 import org.lcsim.detector.IReadout;
 import org.lcsim.detector.identifier.IIdentifier;

+import org.lcsim.detector.identifier.IIdentifierHelper;

 import org.lcsim.detector.identifier.Identifier;
 import org.lcsim.event.EventHeader;
 import org.lcsim.event.SimTrackerHit;

@@ -13,6 +15,9 @@

 public class SimTrackerHitIdentifierReadoutDriver 
 extends CollectionHandler
 {

+	public SimTrackerHitIdentifierReadoutDriver()
+	{}
+	

     public SimTrackerHitIdentifierReadoutDriver(List<String> collectionNames)
     {
         super(collectionNames);

@@ -28,16 +33,25 @@

     protected void process(EventHeader header)
     {                          
         super.process(header);

+        //System.out.println("DE count: " + DetectorElementStore.getInstance().size());
+        for (IDetectorElement de : DetectorElementStore.getInstance())
+        {        	
+        	if (de.getIdentifier() != null && de.getIdentifierHelper() != null)
+        	{
+        		IIdentifierHelper helper = de.getIdentifierHelper();
+        		System.out.println(de.getName() + " - " + helper.unpack(de.getIdentifier()).toString());
+        		helper.getIdentifierDictionary().toString();
+        	}
+        }

         List<List<SimTrackerHit>> collections = header.get(SimTrackerHit.class);

-        for ( List<SimTrackerHit> collection : collections )

+        for (List<SimTrackerHit> collection : collections)

         {

-            if ( canHandle( header.getMetaData( collection ).getName() ) )

+            if (canHandle(header.getMetaData(collection).getName()))

             {

-                for ( SimTrackerHit hit : collection )

+                for (SimTrackerHit hit : collection)

                 {
                     IIdentifier hitId = new Identifier(hit.getCellID());

-                    IDetectorElementContainer deHit = 
-                        DetectorElementStore.getInstance().find(hitId);

+                    IDetectorElementContainer deHit = DetectorElementStore.getInstance().find(hitId);

                     if (deHit.size() == 0)
                     {
                         throw new RuntimeException("No DetectorElement found for id <"+hitId.toString()+">.");