diff -u -r1.2 -r1.3
--- DeSubdetector.java	3 Jul 2007 23:29:49 -0000	1.2
+++ DeSubdetector.java	6 Nov 2007 21:03:29 -0000	1.3
@@ -1,6 +1,7 @@

 package org.lcsim.detector.converter.compact;
 
 import org.lcsim.detector.DetectorElement;

+import org.lcsim.detector.DetectorIdentifierHelper;

 import org.lcsim.detector.IDetectorElement;
 import org.lcsim.detector.IPhysicalVolumePath;
 import org.lcsim.geometry.compact.Detector;

@@ -11,7 +12,7 @@

  * in a {@link org.lcsim.detector.DetectorElement}.
  *
  * @author Jeremy McCormick

- * @version $Id: DeSubdetector.java,v 1.2 2007/07/03 23:29:49 jeremy Exp $

+ * @version $Id: DeSubdetector.java,v 1.3 2007/11/06 21:03:29 jeremy Exp $

  */
 public class DeSubdetector
 extends DetectorElement

@@ -45,4 +46,16 @@

     {
         return subdetector;
     }

+    
+    public DetectorIdentifierHelper getDetectorIdentifierHelper()
+    {
+        if (getIdentifierHelper() instanceof DetectorIdentifierHelper)
+        {
+            return (DetectorIdentifierHelper)getIdentifierHelper();
+        }
+        else
+        {
+            throw new RuntimeException("The IdentifierHelper for " + getName() + " is not a DetectorIdentifierHelper!");
+        }
+    }

 }

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