diff -u -r1.3 -r1.4
--- EcalBarrelConverter.java	18 Sep 2009 18:26:29 -0000	1.3
+++ EcalBarrelConverter.java	18 Sep 2009 19:43:45 -0000	1.4
@@ -25,6 +25,7 @@

 import org.lcsim.detector.identifier.ExpandedIdentifier;
 import org.lcsim.detector.identifier.IExpandedIdentifier;
 import org.lcsim.detector.identifier.IIdentifierHelper;

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

 import org.lcsim.detector.material.IMaterial;
 import org.lcsim.detector.material.MaterialStore;
 import org.lcsim.detector.solids.Box;

@@ -343,6 +344,7 @@

 		// Start build DetectorElements.
 		//
 		IIdentifierHelper helper = cal.getDetectorElement().getIdentifierHelper();

+                System.out.println(helper.getIdentifierDictionary().toString());

 		for (IDetectorElement module : subdet.getDetectorElement().getChildren())
 		{
 			int sensorNum = 0;

@@ -366,14 +368,16 @@

 						expId.setValue(helper.getFieldIndex("module"), module.getGeometry().getPhysicalVolume().getCopyNumber());
 						expId.setValue(helper.getFieldIndex("layer"), layer.getCopyNumber());
 						expId.setValue(helper.getFieldIndex("slice"), slice.getCopyNumber());

-						

+
+                                                IIdentifier sensorId = helper.pack(expId); 					        

 						String sliceName = 
                             module.getName() + "_layer" + layer.getCopyNumber() + "_sensor" + sensorNum;
 						IDetectorElement sensor = 
 							new DetectorElement(
 									sliceName, 
 									deLayer,

-									"/" + module.getName() + "/" + layer.getName() + "/" + slice.getName());

+									"/" + module.getName() + "/" + layer.getName() + "/" + slice.getName(),
+                                                                        sensorId);

 						//System.out.println("created sensor: " + sensor.getName());
 						++sensorNum;
 					}