diff -u -r1.20 -r1.21
--- DetectorElement.java	4 May 2007 10:23:37 -0000	1.20
+++ DetectorElement.java	6 May 2007 09:51:25 -0000	1.21
@@ -6,6 +6,7 @@

 import java.util.List;
 
 import org.lcsim.detector.identifier.IIdentifier;

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

 import org.lcsim.detector.identifier.IIdentifierHelper;
 
 public class DetectorElement 

@@ -234,6 +235,11 @@

         return parent;
     }
 

+    public IExpandedIdentifier getExpandedIdentifier()
+    {
+        return getIdentifierHelper().unpack( id );
+    }
+

     public IIdentifier getIdentifier()
     {
         return id;