diff -u -r1.19 -r1.20
--- MaterialManager.java	29 May 2012 17:32:19 -0000	1.19
+++ MaterialManager.java	16 May 2013 17:58:31 -0000	1.20
@@ -44,7 +44,7 @@

  * @author Jeremy McCormick
  * @author Matt Graham
  *

- * @version $Id: MaterialManager.java,v 1.19 2012/05/29 17:32:19 mgraham Exp $

+ * @version $Id: MaterialManager.java,v 1.20 2013/05/16 17:58:31 ngraf Exp $

  */
 public class MaterialManager
 {

@@ -60,6 +60,8 @@

     private static double _rmax;
     private static double _zmax = 1800.;
     private static ITransform3D _detToTrk;

+    
+    private boolean _useDefaultXPlanes = true;

     /**
      * VolumeGroup handlers for Subdetector types.
      */

@@ -270,6 +272,11 @@

     {
         this.DEBUG = debug;
     }

+    
+    public void setDefaultXPlaneUsage(boolean useDefault)
+    {
+        _useDefaultXPlanes = useDefault;
+    }

 
     /**
      * Setup tracking volume parameters.

@@ -431,8 +438,15 @@

                             "| xmin: "+vgi.xmin+"| xmax: "+vgi.xmax);
                     System.out.println();
                 }

+                if(!_useDefaultXPlanes)
+                {

                 if(x>0.1)
                     _matxpl.add(new MaterialXPlane(vgi.ymin,vgi.ymax, vgi.zmin, vgi.zmax, x, thickness));

+                }
+                else
+                {
+                   _matxpl.add(new MaterialXPlane(vgi.ymin,vgi.ymax, vgi.zmin, vgi.zmax, x, thickness)); 
+                }

             }
             else if(isCylinder(vgi.rmin, vgi.rmax, vgi.zmin, vgi.zmax))
             {

@@ -523,11 +537,18 @@

 
     private boolean isXPlane(double xmin, double xmax)
     {

+        if(!_useDefaultXPlanes)
+        {

 	if(xmax-xmin<0)
 	    return false; //be default xmax is negative, xmin is positive
 	if(xmax+xmin<50)
 	    return false; //catch short modules...
 	return (xmax-xmin)<50.0;//5cm...

+        }
+        else
+        {
+            return (xmax-xmin)<1.0;//1mm
+        }

     }
 
     public void setTransform(ITransform3D transform) {

diff -u -r1.21 -r1.22
--- SeedTracker.java	1 May 2013 17:58:18 -0000	1.21
+++ SeedTracker.java	16 May 2013 17:58:31 -0000	1.22
@@ -32,7 +32,7 @@

 
     protected List<SeedStrategy> _strategylist;
     protected ISeedTrackerDiagnostics _diag = null;

-    protected MaterialManager _materialmanager;

+    protected MaterialManager _materialmanager = new MaterialManager();

     protected HitManager _hitmanager;
     protected HelixFitter _helixfitter;
     protected SeedTrackFinder _finder;

@@ -57,7 +57,7 @@

         _strategylist = strategylist;
 
         //  Instantiate the material manager

-        _materialmanager = new MaterialManager();

+       // _materialmanager = new MaterialManager();

 
         //  Instantiate the hit manager
         _hitmanager = new HitManager();

@@ -283,4 +283,10 @@

     public void setIterativeConfirmed(int maxfits) {
         this._iterativeConfirmedFits = maxfits;
     }

+    
+    public void setUseDefaultXPlane(boolean useDefault)
+    {
+        _materialmanager.setDefaultXPlaneUsage(useDefault);
+        
+    }

 }

diff -u -r1.1 -r1.2
--- IterativeSeedTracker.java	20 Jul 2010 17:51:36 -0000	1.1
+++ IterativeSeedTracker.java	16 May 2013 17:58:31 -0000	1.2
@@ -21,7 +21,7 @@

 		_strategyLists = new ArrayList<List<SeedStrategy>>();
 		
         //  Instantiate the material manager

-        _materialmanager = new MaterialManager();

+        // _materialmanager = new MaterialManager();

 
         //  Instantiate the hit manager
         _hitmanager = new HitManager();