diff -u -r1.6 -r1.7
--- DetectorIdentifierHelper.java	2 Jul 2008 22:52:18 -0000	1.6
+++ DetectorIdentifierHelper.java	17 Nov 2010 00:13:43 -0000	1.7
@@ -306,7 +306,8 @@

     		SystemMap systemMap)
     {
         super(dict);

-        try {

+        try 
+        {

             setup(dict,systemMap);
         }
         catch (Exception x)

@@ -325,6 +326,9 @@

 
     private IIdentifier makeSubsysId(int system)
     {		

+        // Check for invalid system id and replace with 0 to get a valid identifier.
+        if (system == this.invalidSystemValue)
+            system = 0;

         IExpandedIdentifier expid = 
             new ExpandedIdentifier(getIdentifierDictionary().getNumberOfFields());
         expid.setValue(systemIndex, system);

@@ -334,6 +338,9 @@

 
     private IIdentifier makeSubsysId(int system, int barrel)
     {		

+        // Check for invalid system id and replace with 0 to get a valid identifier.
+        if (system == this.invalidSystemValue)
+            system = 0;

         IExpandedIdentifier expid = 
             new ExpandedIdentifier(getIdentifierDictionary().getNumberOfFields());
         expid.setValue(systemIndex, system);

diff -u -r1.7 -r1.8
--- IdentifierField.java	17 Nov 2010 00:07:02 -0000	1.7
+++ IdentifierField.java	17 Nov 2010 00:13:43 -0000	1.8
@@ -4,7 +4,7 @@

  * Implementation of {@link IIdentifierField}.
  * 
  * @author Jeremy McCormick

- * @version $Id: IdentifierField.java,v 1.7 2010/11/17 00:07:02 jeremy Exp $

+ * @version $Id: IdentifierField.java,v 1.8 2010/11/17 00:13:43 jeremy Exp $

  */
 
 public class IdentifierField implements IIdentifierField

@@ -70,9 +70,14 @@

         this.intMask = (1 << numberOfBits) - 1;
         this.longMask = ((1L << numberOfBits) - 1);
 

-        maxValue = ((int) Math.pow( 2, getNumberOfBits() )) - 1;
-        minValue = 0;
-        if ( isSigned() )

+        // Range for unsigned field.
+        if (!isSigned())
+        {
+            maxValue = ((int) Math.pow( 2, getNumberOfBits() )) - 1;
+            minValue = 0;
+        }
+        // Range for signed field.
+        else

         {
             // In a signed field, one bit is reserved for the sign bit.
             maxValue = ((int) Math.pow( 2, getNumberOfBits() - 1 )) - 1;

diff -u -r1.15 -r1.16
--- Calorimeter.java	18 Dec 2009 19:32:28 -0000	1.15
+++ Calorimeter.java	17 Nov 2010 00:13:43 -0000	1.16
@@ -2,10 +2,27 @@

 
 /**
  * 

+ * The interface for a generic Calorimeter detector, providing access
+ * to basic envelope parameters, calculations of layer parameters such
+ * as interaction and radiation lengths, as well as some information
+ * that is only accessible with method chaining and is pushed up to here. 
+ * 

  * @author tonyj

+ * @author jeremym
+ * 
+ * @version $Id: Calorimeter.java,v 1.16 2010/11/17 00:13:43 jeremy Exp $

  */
 public interface Calorimeter extends Subdetector
 {	   

+    /**
+     * The CalorimeterType is an enum describing the type of Calorimeter.
+     * Values are based on common subsystems in an ILC detector.  This
+     * enum is designed such that only one subdetector should have a 
+     * given type in the compact description except for UNKNOWN, which
+     * not be explicitly used in a calorimeterType field.
+     * 
+     * @author jeremym
+     */

     enum CalorimeterType
     {
         UNKNOWN,

@@ -44,18 +61,113 @@

         }
     }
     

+    /**
+     * Get the CalorimeterType of this Calorimeter.
+     * @return The CalorimeterType.
+     */

     public CalorimeterType getCalorimeterType();
     

-    // TODO: Implement these for all calorimeter types.
-    /*

+    /**
+     * Get the innerRadius of this Calorimeter or 0 if NA.
+     * @return The innerRadius.
+     */

     public double getInnerRadius();

+    
+    /**
+     * Get the outerRadius of this Calorimeter or 0 if NA.
+     * @return The outerRadius.
+     */

     public double getOuterRadius();

+    
+    /**
+     * Get the innerZ of this Calorimeter or 0 if NA.
+     * @return The innerZ.
+     */

     public double getInnerZ();

+    
+    /**
+     * Get the outerZ of this Calorimeter or 0 if NA.
+     * @return The outerZ.
+     */

     public double getOuterZ();

+    
+    /**
+     * Get the Calorimeter's Z length.
+     * @return The Calorimeter's Z length.
+     */
+    public double getZLength();
+    
+    /**
+     * Get the inner phi angle subtended by one calorimeter section or 0 if NA.
+     * @return The phi angle of one section.
+     */

     public double getInnerPhi();

+    
+    /**
+     * Get the outer phi angle subtended by one calorimeter section or 0 if NA.
+     * Typically this is the same as {@link #getInnerPhi()}.
+     * @return The outer phi angle of one section.
+     */

     public double getOuterPhi();

-    public double getInnerNumberOfSides();
-    public double getOuterNumberOfSides();
-    */

+    /**
+     * Get the inner number of sides of this calorimeter or 0 if NA.
+     * @return The inner number of sides.
+     */
+    public int getInnerNumberOfSides();
+    
+    /**
+     * Get the outer number of sides of this calorimeter or 0 if NA.
+     * Typically this is the same as {@link #getInnerNumberOfSides()}.
+     * @return The outer number of sides.
+     */
+    public int getOuterNumberOfSides();
+    
+    /**
+     * Get the number of layers in the Calorimeter.
+     * @ return The number of layers.
+     */
+    public int getNumberOfLayers();
+    
+    /**
+     * Get the distance to the layer from the IP in mm.
+     * @param layerNumber The layer index.
+     * @return The distance to the layer.
+     */
+    public double getDistanceToLayer(int layerNumber);
+    
+    /**
+     * Get the distance to the sensor from the IP in mm.
+     * @param The layer number.
+     * @return The distance to the sensor in mm.
+     */
+    public double getDistanceToSensor(int layerNumber);
+    
+    /**
+     * Get the total layer thickness in mm.
+     * @return The total layer thickness.
+     */
+    public double getLayerThickness(int layern);
+    
+    /**
+     * Get the sensor thickness in mm.
+     * @ return The sensor thicknes.
+     */ 
+    public double getSensorThickness(int layern);
+    
+    /**
+     * Get the cell U dimension.
+     * @return The cell U dimension.
+     */
+    public double getCellSizeU();
+    
+    /**
+     * Get the cell V dimension.
+     * @return The cell V dimension.
+     */
+    public double getCellSizeV();
+    
+    // This would be useful but requires access to the conditions system.
+    // May require using a set method to decouple from conditions package.
+    // public boolean isDigital();

 }

\ No newline at end of file

diff -u -r1.11 -r1.12
--- CylindricalSubdetector.java	11 May 2007 00:21:09 -0000	1.11
+++ CylindricalSubdetector.java	17 Nov 2010 00:13:43 -0000	1.12
@@ -8,7 +8,6 @@

  * FIXME: Need Cylinder shape extending Solid.
  * 
  */

-@Deprecated

 public interface CylindricalSubdetector
 {
     public double getInnerRadius();

diff -u -r1.22 -r1.23
--- Subdetector.java	11 Sep 2007 19:21:03 -0000	1.22
+++ Subdetector.java	17 Nov 2010 00:13:43 -0000	1.23
@@ -15,6 +15,10 @@

     
     public IDDecoder getIDDecoder();
     

+    public String getHitsCollectionName();
+    
+    public String getDigiHitsCollectionName();
+    

     /**
      * @deprecated Use functionality provided by {@link org.lcsim.detector.IDetectorElement}.
      * @return The layering.

diff -u -r1.9 -r1.10
--- Segmentation.java	14 Oct 2009 22:36:42 -0000	1.9
+++ Segmentation.java	17 Nov 2010 00:13:44 -0000	1.10
@@ -1,5 +1,8 @@

 package org.lcsim.geometry.compact;
 

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

 import org.jdom.Element;
 import org.lcsim.geometry.util.BaseIDDecoder;
 

@@ -9,9 +12,21 @@

  */
 public class Segmentation
 extends BaseIDDecoder

-{
-   protected Segmentation(Element segmentation)
-   {

+{    
+    protected List<Double> cellSizes = new ArrayList<Double>(2);
+    
+    protected Segmentation(Element segmentation)
+    {

         super();

-   }
-}

+    }
+    
+    public double getCellSizeU()
+    {
+        return this.cellSizes.get(0);
+    }
+    
+    public double getCellSizeV()
+    {
+        return this.cellSizes.get(1);
+    }
+}

\ No newline at end of file

diff -u -r1.8 -r1.9
--- CartesianGridXZ.java	14 Apr 2010 00:07:19 -0000	1.8
+++ CartesianGridXZ.java	17 Nov 2010 00:13:44 -0000	1.9
@@ -34,6 +34,7 @@

 		if (node.getAttribute("gridSizeX") != null)
 		{
 			gridSizeX = node.getAttribute("gridSizeX").getDoubleValue();

+			cellSizes.add(0, gridSizeX);

 		}
 		else
 		{

@@ -43,6 +44,7 @@

 		if (node.getAttribute("gridSizeZ") != null)
 		{
 			gridSizeZ = node.getAttribute("gridSizeZ").getDoubleValue();

+			cellSizes.add(1, gridSizeZ);

 		}
 		else
 		{

diff -u -r1.6 -r1.7
--- EcalBarrelCartesianGridXY.java	14 Apr 2010 18:24:54 -0000	1.6
+++ EcalBarrelCartesianGridXY.java	17 Nov 2010 00:13:44 -0000	1.7
@@ -59,6 +59,7 @@

         if (node.getAttribute("gridSizeX") != null)
         {
             gridSizeX = node.getAttribute("gridSizeX").getDoubleValue();

+            cellSizes.add(0, gridSizeX);

         }
         else
         {

@@ -68,6 +69,7 @@

         if (node.getAttribute("gridSizeY") != null)
         {
             gridSizeY = node.getAttribute("gridSizeY").getDoubleValue();

+            cellSizes.add(1, gridSizeY);

         }
         else
         {

diff -u -r1.9 -r1.10
--- GlobalGridXY.java	14 Apr 2010 18:24:54 -0000	1.9
+++ GlobalGridXY.java	17 Nov 2010 00:13:44 -0000	1.10
@@ -30,6 +30,7 @@

         if (node.getAttribute("gridSizeX") != null)
         {
             gridSizeX = node.getAttribute("gridSizeX").getDoubleValue();

+            cellSizes.add(0, gridSizeX);

         }
         else
         {

@@ -39,6 +40,7 @@

         if (node.getAttribute("gridSizeY") != null)
         {
             gridSizeY = node.getAttribute("gridSizeY").getDoubleValue();

+            cellSizes.add(1, gridSizeY);

         }
         else
         {

diff -u -r1.26 -r1.27
--- NonprojectiveCylinder.java	23 May 2008 00:27:33 -0000	1.26
+++ NonprojectiveCylinder.java	17 Nov 2010 00:13:44 -0000	1.27
@@ -42,6 +42,19 @@

 
         gridSizePhi = node.getAttribute("gridSizePhi").getDoubleValue();
         gridSizeZ = node.getAttribute("gridSizeZ").getDoubleValue();

+        
+        this.cellSizes.add(0, gridSizePhi);
+        this.cellSizes.add(1, gridSizeZ);
+    }
+    
+    public double getCellSizeU()
+    {
+        return gridSizeZ;
+    }
+    
+    public double getCellSizeV()
+    {
+        return gridSizeZ;

     }
 
     void setGridSizePhi(double gsp)

diff -u -r1.23 -r1.24
--- ProjectiveZPlane.java	14 Apr 2010 18:24:54 -0000	1.23
+++ ProjectiveZPlane.java	17 Nov 2010 00:13:44 -0000	1.24
@@ -35,6 +35,16 @@

         thetaBins = node.getAttribute("thetaBins").getIntValue();
         phiBins = node.getAttribute("phiBins").getIntValue();
     }

+    
+    public double getCellSizeU()
+    {
+        return thetaDim;
+    }
+    
+    public double getCellSizeV()
+    {
+        return phiDim;
+    }

 
     public int getThetaBins()
     {

@@ -83,8 +93,8 @@

 
         phiIndex = id.indexOf("phi");
         thetaIndex = id.indexOf("theta");

-	barrelIndex = id.indexOf("barrel");
-	systemIndex = id.indexOf("system");

+        barrelIndex = id.indexOf("barrel");
+        systemIndex = id.indexOf("system");

     }
 
     public long[] getNeighbourIDs(int deltaLayer, int deltaTheta, int deltaPhi)

diff -u -r1.5 -r1.6
--- RegularNgonCartesianGridXY.java	14 Apr 2010 18:24:54 -0000	1.5
+++ RegularNgonCartesianGridXY.java	17 Nov 2010 00:13:44 -0000	1.6
@@ -41,6 +41,7 @@

 		if (node.getAttribute("gridSizeX") != null)
 		{
 			gridSizeX = node.getAttribute("gridSizeX").getDoubleValue();

+			cellSizes.add(0, gridSizeX);

 		}
 		else
 		{

@@ -50,6 +51,7 @@

 		if (node.getAttribute("gridSizeY") != null)
 		{
 			gridSizeY = node.getAttribute("gridSizeY").getDoubleValue();

+			cellSizes.add(1, gridSizeY);

 		}
 		else
 		{

diff -u -r1.5 -r1.6
--- RegularNgonCartesianGridXZ.java	14 Apr 2010 18:52:25 -0000	1.5
+++ RegularNgonCartesianGridXZ.java	17 Nov 2010 00:13:44 -0000	1.6
@@ -52,6 +52,7 @@

         if (node.getAttribute("gridSizeX") != null)
         {
             gridSizeX = node.getAttribute("gridSizeX").getDoubleValue();

+            cellSizes.add(0, gridSizeX);

         }
         else
         {

@@ -61,6 +62,7 @@

         if (node.getAttribute("gridSizeZ") != null)
         {
             gridSizeZ = node.getAttribute("gridSizeZ").getDoubleValue();

+            cellSizes.add(1, gridSizeZ);

         }
         else
         {

diff -u -r1.12 -r1.13
--- SegmentationBase.java	15 Sep 2009 19:55:31 -0000	1.12
+++ SegmentationBase.java	17 Nov 2010 00:13:44 -0000	1.13
@@ -4,6 +4,9 @@

 
 package org.lcsim.geometry.segmentation;
 

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

 import org.lcsim.geometry.Layered;
 import org.jdom.Element;
 import org.lcsim.geometry.layer.Layering;

@@ -15,23 +18,13 @@

  */
 public abstract class SegmentationBase 
 extends org.lcsim.geometry.compact.Segmentation

-{

+{   

     public SegmentationBase(Element e)
     {
         super(e);
     }
 
     /**

-     * FIXME: Should be renamed as it is actually returning the distance to the
-     * midpoint of the sensitive layer. 
-     * FIXME: Does this belong here? It is only used by CylindricalEndcapCalorimeter.
-     */
-    public double getDistanceToSensitive(int layer)
-    {
-        return ((Layered) detector).getLayering().getDistanceToLayerSensorMid(layer);
-    }
-
-    /**

      * Returns the cell which contains a given point (x,y,z).
      * 
      * @param x Cartesian X coordinate.

@@ -72,8 +65,8 @@

         return findCellContainingXYZ(pos.x(), pos.y(), pos.z());
     }
 

-    /*
-     * FIXME: Does this belong here?

+    /**
+     * @deprecated

      */
     protected int getNumberOfLayers()
     {

@@ -85,36 +78,54 @@

         return detector.transformLocalToGlobal(localPos);
     }
 

+    /**
+     * @deprecated
+     */

     protected Layering getLayering()
     {
         return ((Layered) detector).getLayering();
     }
 

-    // Not for public use, this is needed to calculate positions
-    // and number of cells, etc.
-    /*
-     * FIXME: Are these next four functions really needed? --JM

+    /**
+     * @deprecated

      */
     protected double getZMin()
     {
         return ((CylindricalSubdetector) detector).getZMin();
     }
 

+    /**
+     * @deprecated
+     */

     protected double getZMax()
     {
         return ((CylindricalSubdetector) detector).getZMax();
     }
 

+    /**
+     * @deprecated
+     */

     protected double getRMin()
     {
         return ((CylindricalSubdetector) detector).getInnerRadius();
     }
 

+    /**
+     * @deprecated
+     */

     protected double getRMax()
     {
         return ((CylindricalSubdetector) detector).getOuterRadius();
     }
     

+    /**
+     * @deprecated
+     */
+    public double getDistanceToSensitive(int layer)
+    {
+        return ((Layered) detector).getLayering().getDistanceToLayerSensorMid(layer);
+    }
+    

 	public boolean supportsNeighbours()
 	{
 		return true;

@@ -124,4 +135,4 @@

 	{
 		return this.getDecoder().getID();
 	}	

-}

+}

\ No newline at end of file

diff -u -r1.5 -r1.6
--- AbstractLayeredSubdetector.java	8 Mar 2007 20:04:38 -0000	1.5
+++ AbstractLayeredSubdetector.java	17 Nov 2010 00:13:44 -0000	1.6
@@ -7,51 +7,98 @@

 
 package org.lcsim.geometry.subdetector;
 

-import org.lcsim.geometry.Layered;
-import org.lcsim.geometry.layer.Layering;

+import hep.physics.vec.BasicHep3Vector;
+import hep.physics.vec.Hep3Vector;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+

 import org.jdom.Element;
 import org.jdom.JDOMException;

+import org.lcsim.detector.material.BetheBlochCalculator;
+import org.lcsim.detector.material.IMaterial;
+import org.lcsim.detector.material.IMaterialStore;
+import org.lcsim.detector.material.MaterialStore;
+import org.lcsim.geometry.Calorimeter;
+import org.lcsim.geometry.Layered;
+import org.lcsim.geometry.layer.Layer;
+import org.lcsim.geometry.layer.LayerSlice;
+import org.lcsim.geometry.layer.Layering;

 
 /**

- *

+ * 

  * @author jeremym
  */

-abstract class AbstractLayeredSubdetector extends AbstractSubdetector
-        implements Layered

+abstract class AbstractLayeredSubdetector extends AbstractSubdetector implements Layered

 {
     protected Layering layering;

-    
-    /** Creates a new instance of a LayeredSubdetector */
-    public AbstractLayeredSubdetector(Element node) throws JDOMException
-    {
-        super(node);
-        build(node);
-    }
-    
-    private void build(Element node) throws JDOMException
-    {
-    	try {
-    		//System.out.println("build layering for <"+getName()+">");
-    		layering = org.lcsim.geometry.layer.Layering.makeLayering(node);
-    	}
-    	catch (JDOMException x)
-    	{
-    		System.err.println("WARNING: " + x.getMessage());
-    	}

+
+    /**
+     * Creates a new instance of a LayeredSubdetector
+     */
+    public AbstractLayeredSubdetector( Element node) throws JDOMException
+    {
+        super( node );
+        build( node );

     }

-    

+
+    private void build( Element node ) throws JDOMException
+    {
+        try
+        {
+            // Setup layering object.
+            layering = org.lcsim.geometry.layer.Layering.makeLayering( node );
+        } 
+        catch (JDOMException x)
+        {
+            throw new RuntimeException( x );
+        }
+    }
+

     public boolean isLayered()
     {
         return true;
     }

-    

+

     public Layering getLayering()
     {
         return layering;
     }

-    
-    public void setLayering(Layering layering)

+
+    protected void setLayering( Layering layering )
+    {
+        this.layering = layering;
+    }
+
+    public Layer getLayer( int layern )
+    {
+        return this.layering.getLayer( layern );
+    }
+
+    public int getNumberOfLayers()
+    {
+        return this.layering.getLayerCount();
+    }
+
+    public double getDistanceToLayer( int layern )
+    {
+        return this.layering.getDistanceToLayer( layern );
+    }
+
+    public double getDistanceToSensor( int layern )
+    {
+        return this.layering.getDistanceToLayerSensorFront( layern );
+    }
+
+    public double getLayerThickness( int layern )
+    {
+        return this.layering.getLayer( layern ).getThickness();
+    }
+
+    public double getSensorThickness( int layern )

     {

-    	this.layering = layering;

+        return this.layering.getLayer( layern ).getSensorThickness();

     }
 }

\ No newline at end of file

diff -u -r1.11 -r1.12
--- AbstractPolyhedraCalorimeter.java	14 Apr 2010 02:06:30 -0000	1.11
+++ AbstractPolyhedraCalorimeter.java	17 Nov 2010 00:13:44 -0000	1.12
@@ -83,14 +83,14 @@

     
     // Parameters for Pandora.
     

-    public double getInnerNumberOfSides() 

+    public int getInnerNumberOfSides() 

     {    
         return this.getNumberOfSides();
     }
 
     public double getInnerPhi() 
     {

-        return 0.;

+        return getSectionPhi();

     }
 
     public double getInnerRadius() 

@@ -103,14 +103,14 @@

         return this.getZMin();
     }
 

-    public double getOuterNumberOfSides() 

+    public int getOuterNumberOfSides() 

     { 
         return this.getNumberOfSides();
     }
 
     public double getOuterPhi() 
     {

-        return 0.;

+        return getSectionPhi();

     }
 
     public double getOuterRadius() 

diff -u -r1.9 -r1.10
--- CylindricalBarrelCalorimeter.java	12 Sep 2006 02:42:49 -0000	1.9
+++ CylindricalBarrelCalorimeter.java	17 Nov 2010 00:13:44 -0000	1.10
@@ -65,4 +65,9 @@

         factory.createHepRepPoint(instance2,0,0,getZMin());
         factory.createHepRepPoint(instance2,0,0,getZMax());       
     }    

+    
+    public double getZLength()
+    {
+        return this.maxZ * 2;
+    }

 }

diff -u -r1.15 -r1.16
--- CylindricalCalorimeter.java	8 Mar 2007 20:04:38 -0000	1.15
+++ CylindricalCalorimeter.java	17 Nov 2010 00:13:44 -0000	1.16
@@ -43,6 +43,16 @@

         return maxZ;
     }        
     

+    public double getOuterZ()
+    {
+        return getZMax();
+    }
+    
+    public double getInnerZ()
+    {
+        return getZMin();
+    }
+    

     public double getOuterRadius()
     {        
         return outerR;

@@ -52,4 +62,24 @@

     {
         return innerR;
     }   

+    
+    public int getInnerNumberOfSides()
+    {
+        return 0;
+    }
+    
+    public int getOuterNumberOfSides()
+    {
+        return 0;
+    }
+    
+    public double getInnerPhi()
+    {
+        return Math.PI/2;
+    }
+    
+    public double getOuterPhi()
+    {
+        return Math.PI/2;
+    }

 }

\ No newline at end of file

diff -u -r1.19 -r1.20
--- CylindricalEndcapCalorimeter.java	12 Sep 2006 02:42:49 -0000	1.19
+++ CylindricalEndcapCalorimeter.java	17 Nov 2010 00:13:44 -0000	1.20
@@ -92,4 +92,9 @@

         
         return globPos;
     }

+    
+    public double getZLength()
+    {
+        return this.maxZ - this.minZ;
+    }

 }

diff -u -r1.1 -r1.2
--- CylindricalEndcapCalorimeter2.java	23 Sep 2010 22:58:03 -0000	1.1
+++ CylindricalEndcapCalorimeter2.java	17 Nov 2010 00:13:44 -0000	1.2
@@ -22,4 +22,9 @@

     
     private void build(Element node) throws JDOMException
     {}       

+    
+    public double getZLength()
+    {
+        return this.maxZ - this.minZ;
+    }

 }

\ No newline at end of file

diff -u -r1.2 -r1.3
--- TestBeamTracker.java	7 Feb 2006 17:14:32 -0000	1.2
+++ TestBeamTracker.java	17 Nov 2010 00:13:44 -0000	1.3
@@ -1,10 +1,3 @@

-/*
- * TestBeamCalorimeter.java
- *
- * Created on September 2, 2005, 3:43 PM
- *
- */
-

 package org.lcsim.geometry.subdetector;
 
 import org.lcsim.geometry.Tracker;

@@ -23,11 +16,6 @@

         super(node);
     }
     

-//    public org.lcsim.geometry.TrackerIDDecoder getTrackerIDDecoder()
-//    {
-//        return (org.lcsim.geometry.TrackerIDDecoder)(getReadout().getIDDecoder() );
-//    }
-    

     public boolean isTracker()
     {
         return true;

diff -u -r1.17 -r1.18
--- BaseIDDecoder.java	5 Feb 2010 20:27:12 -0000	1.17
+++ BaseIDDecoder.java	17 Nov 2010 00:13:44 -0000	1.18
@@ -1,10 +1,3 @@

-/*
- * BaseIDDecoder.java
- *
- * Created on September 27, 2005, 10:18 PM
- *
- */
-

 package org.lcsim.geometry.util;
 
 import hep.physics.vec.Hep3Vector;

@@ -19,6 +12,7 @@

  * classes for functionality.
  *
  * @author jeremym

+ * @version $Id: BaseIDDecoder.java,v 1.18 2010/11/17 00:13:44 jeremy Exp $

  */
 public class BaseIDDecoder
 implements org.lcsim.geometry.IDDecoder