diff -u -r1.4 -r1.5
--- SiStripTrackerBarrel.java	29 Sep 2006 21:43:03 -0000	1.4
+++ SiStripTrackerBarrel.java	29 Sep 2006 22:55:07 -0000	1.5
@@ -196,7 +196,9 @@

 				// Loop over the number of modules in z.
 				for (int j = 0; j < nz; j++)
 				{

-					String module_place_name = detector_name + "_" + module_lkp_name + "_phi" + ii + "_z" + j;

+					// Create a unique name for the module in this logical volume, layer, phi, and z.
+					String module_place_name = 
+						detector_name + "_" + module_lkp_name + "_layer" + nlayer + "_phi" + ii + "_z" + j;

 
 					double z = module_z;