diff -u -r1.26 -r1.27
--- HelicalTrackHitDriver.java	16 Oct 2008 21:44:13 -0000	1.26
+++ HelicalTrackHitDriver.java	10 Nov 2008 19:46:01 -0000	1.27
@@ -142,16 +142,16 @@

                         throw new RuntimeException("Detector Container is empty!");
                     } else {
                         IDetectorElement de = cont.get(0);

-                        String detname = ID.getName(de);
-                        int lyr = ID.getLayer(de);
-                        BarrelEndcapFlag be = ID.getBarrelEndcapFlag(de);

+//                        String detname = ID.getName(de);
+//                        int lyr = ID.getLayer(de);
+//                        BarrelEndcapFlag be = ID.getBarrelEndcapFlag(de);

                         
                         //Kludgy fix for layer numbering in sid01

-                        if (!(detname.indexOf("Vertex") ==-1 && detname.indexOf("Vtx") == -1) && be.isEndcap()) {
-                            if (event.getDetectorName().indexOf("planar")==-1) lyr/=2;
-                        }

+//                        if (!(detname.indexOf("Vertex") ==-1 && detname.indexOf("Vtx") == -1) && be.isEndcap()) {
+//                            if (event.getDetectorName().indexOf("planar")==-1) lyr/=2;
+//                         }

                         HelicalTrackHit hthit = new HelicalTrack3DHit(pos, cov, hit.getdEdx(), hit.getTime(), hit.getRawHits(),

-                                detname, lyr, ID.getBarrelEndcapFlag(de));

+                                ID.getName(de), ID.getLayer(de), ID.getBarrelEndcapFlag(de));

                         
                         for (MCParticle p : ((BaseTrackerHitMC)hit).mcParticles()) hthit.addMCParticle(p);
                         hitrelations.add(new MyLCRelation(hthit, ohit));

diff -u -r1.1 -r1.2
--- HitIdentifier.java	2 Jul 2008 23:54:24 -0000	1.1
+++ HitIdentifier.java	10 Nov 2008 19:46:01 -0000	1.2
@@ -7,6 +7,9 @@

 
 package org.lcsim.fit.helicaltrack;
 

+import java.util.ArrayList;
+import java.util.List;
+

 import org.lcsim.detector.DetectorIdentifierHelper;
 import org.lcsim.detector.IDetectorElement;
 import org.lcsim.detector.identifier.IIdentifier;

@@ -19,9 +22,16 @@

  * @version 1.0
  */
 public class HitIdentifier {

+    private List<String> _special;

     
     /** Creates a new instance of HitIdentifier */
     public HitIdentifier() {

+        _special = new ArrayList<String>();
+    }
+    
+    public HitIdentifier(List<String> special) {
+        super();
+        _special.addAll(special);

     }
     
     public String Identifier(IDetectorElement de) {

@@ -54,6 +64,16 @@

             IIdentifier id = de.getIdentifier();
             //  Get the layer number
             layer = dehlp.getLayerValue(id);

+            //  See if it needs "special" treatment
+            for (String name : _special) {
+                if (getName(de).equals(name)) {
+                    //  Special layers have stereo layers with distinct layer numbers
+                    //  on the two stereo sensor planes, whereas the seedtracker
+                    //  convention is that both planes have the same layer number
+                    layer /= 2;
+                    break;
+                }
+            }

         }
         return layer;
     }

@@ -74,5 +94,10 @@

             else if (dehlp.isEndcapNegative(id)) beflag = BarrelEndcapFlag.ENDCAP_SOUTH;
         }
         return beflag;

-    }    

+    }
+    
+    public void setNonStandardLayering(String name) {
+        _special.add(name);
+        return;
+    }

 }

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