diff -u -r1.6 -r1.7
--- MergeUtil.java	28 Apr 2006 18:48:15 -0000	1.6
+++ MergeUtil.java	1 Feb 2007 19:38:16 -0000	1.7
@@ -24,7 +24,7 @@

  * application of a delta time.
  * 
  * @author jeremym

- * @version $Id: MergeUtil.java,v 1.6 2006/04/28 18:48:15 jeremy Exp $

+ * @version $Id: MergeUtil.java,v 1.7 2007/02/01 19:38:16 jeremy Exp $

  */
 abstract public class MergeUtil
 {

@@ -50,10 +50,12 @@

 
 		// File read loop.
 		for (;;)

-		{

+		{			

 			// Check if max output events is reached.
 			if (nevents >= maxEvents)
 				break;

+			
+			System.out.println("merge - processing event <"+(nevents+1)+">");

 
 			// Create the new output event.
 			ILCEvent targetEvent = new ILCEvent();

@@ -113,7 +115,6 @@

 		writer.close();
 
 		// Close the readers.

-		//closeReaders(readers);

 		for (Iterator iter = mergeFiles.iterator(); iter.hasNext();)
 		{
 			try

@@ -209,6 +210,8 @@

 	 */
 	public static void mergeSingleEvent(ILCEvent targetEvent, LCEvent overlayEvent, float dt)
 	{

+		//System.out.println("mergeSingleEvent");
+		

 		if (overlayEvent.getCollectionNames().length == 0)
 		{
 			// Empty event, nothing to do.

@@ -226,6 +229,8 @@

 		{
 			// Get the name of this overlay collection.
 			String collname = ocolls[i];

+			
+			//System.out.println("collname="+ocolls[i]);

 
 			// Get this overlay collection.
 			LCCollection ocoll = overlayEvent.getCollection(collname);

@@ -252,7 +257,9 @@

 			{
 				// Get the existing target collection.
 				tcoll = targetEvent.getCollection(collname);

-			}

+			}		
+			
+			//System.out.println("merging " + tcolls[i] + " and " + ocolls[i]);

 
 			// Overlay overlay collection into target collection.
 			mergeCollection(tcoll, ocoll, dt);

@@ -270,7 +277,11 @@

 	 */
 	public static void mergeCollection(LCCollection targetColl, LCCollection overlayColl, float dt)
 	{

+		//System.out.println("mergeCollection");
+				

 		String colltype = targetColl.getTypeName();

+		
+		//System.out.println("colltype="+colltype);

 
 		// Handle a SimTrackerHit collection.
 		if (colltype.compareTo(LCIO.SIMTRACKERHIT) == 0)