diff -u -r1.6 -r1.7
--- BaseSimTrackerHit.java	23 May 2008 06:53:35 -0000	1.6
+++ BaseSimTrackerHit.java	7 Jul 2008 18:47:20 -0000	1.7
@@ -5,6 +5,8 @@

 import hep.physics.vec.VecOp;
 
 import org.lcsim.detector.IDetectorElement;

+import org.lcsim.detector.identifier.IIdentifier;
+import org.lcsim.detector.identifier.Identifier;

 import org.lcsim.event.MCParticle;
 import org.lcsim.event.SimTrackerHit;
 import org.lcsim.event.EventHeader.LCMetaData;

@@ -143,5 +145,12 @@

 
         startPoint = VecOp.add(midpoint,VecOp.mult(-1.0,half_length));
         endPoint = VecOp.add(midpoint,half_length);

-    }                   
-}

+    }    
+    
+    public IIdentifier getIdentifier()
+    {
+    	if (compactId == null)
+    		compactId = new Identifier(cellID);
+    	return compactId;
+    }
+}

\ No newline at end of file