diff -N TubeSegment.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ TubeSegment.java	29 Oct 2007 23:17:29 -0000	1.1
@@ -0,0 +1,130 @@

+package org.lcsim.geometry.compact.converter.lcdd;
+
+import org.jdom.Element;
+import org.jdom.JDOMException;
+import org.lcsim.geometry.compact.converter.lcdd.util.LCDD;
+import org.lcsim.geometry.compact.converter.lcdd.util.Material;
+import org.lcsim.geometry.compact.converter.lcdd.util.PhysVol;
+import org.lcsim.geometry.compact.converter.lcdd.util.Position;
+import org.lcsim.geometry.compact.converter.lcdd.util.Rotation;
+import org.lcsim.geometry.compact.converter.lcdd.util.SensitiveDetector;
+import org.lcsim.geometry.compact.converter.lcdd.util.Tube;
+import org.lcsim.geometry.compact.converter.lcdd.util.Volume;
+
+/**
+ * LCDD implementation of a TubeSegment for beampipe elements.
+ *
+ * @author Jeremy McCormick
+ * @version $Id: TubeSegment.java,v 1.1 2007/10/29 23:17:29 jeremy Exp $
+ */
+public class TubeSegment
+extends LCDDSubdetector
+{
+    public TubeSegment(Element node) throws JDOMException
+    {
+        super(node);
+    }
+    
+    void addToLCDD(LCDD lcdd, SensitiveDetector sens) throws JDOMException
+    {
+        // Find the mother volume
+        Volume mother = null;
+        if (isInsideTrackingVolume())
+        {
+            mother = lcdd.getTrackingVolume();
+        }
+        else
+        {
+            mother = lcdd.getWorldVolume();
+        }
+        
+        // Name
+        String name = node.getAttributeValue("name");
+        
+        // Id
+        int id = node.getAttribute("id").getIntValue();
+        
+        // Material
+        Material material = lcdd.getMaterial(node.getChild("material").getAttributeValue("name"));
+        
+        // Tube
+        Element tubsParam = node.getChild("tubs");
+        double innerR, outerR, zHalf;
+        innerR = tubsParam.getAttribute("rmin").getDoubleValue();
+        outerR = tubsParam.getAttribute("rmax").getDoubleValue();
+        zHalf = tubsParam.getAttribute("zhalf").getDoubleValue();                        
+        Tube tube = new Tube(name + "_tube", innerR, outerR, zHalf);
+        lcdd.add(tube);
+        
+        // Volume
+        Volume volume = new Volume(name, tube, material);
+        lcdd.add(volume);
+        
+        // Position
+        Position position = null;
+        Element positionElement = node.getChild("position");        
+        if (positionElement == null)
+        {
+            position = new Position(name + "_position");
+        }
+        else
+        {
+            double x,y,z;
+            x = y = z = 0.;
+            
+            if (positionElement.getAttribute("x") != null)
+            {
+                x = positionElement.getAttribute("x").getDoubleValue();
+            }
+            
+            if (positionElement.getAttribute("y") != null)
+            {
+                y = positionElement.getAttribute("y").getDoubleValue();
+            }
+            
+            if (positionElement.getAttribute("z") != null)
+            {
+                z = positionElement.getAttribute("z").getDoubleValue();
+            }           
+            
+            position.setX(x);
+            position.setY(y);
+            position.setZ(z);
+        }
+        
+        // Rotation
+        Rotation rotation = null;
+        Element rotationElement = node.getChild("rotation");
+        if (rotationElement == null)
+        {
+            rotation = new Rotation(name + "_rotation");            
+        }
+        else 
+        {
+            double x,y,z;
+            x = y = z = 0.;
+            
+            if (rotationElement.getAttribute("x") != null)
+            {
+                x = rotationElement.getAttribute("x").getDoubleValue();
+            }
+            
+            if (rotationElement.getAttribute("y") != null)
+            {
+                y = rotationElement.getAttribute("y").getDoubleValue();
+            }
+            
+            if (rotationElement.getAttribute("z") != null)
+            {
+                z = rotationElement.getAttribute("z").getDoubleValue();
+            }
+            
+            rotation.setX(x);
+            rotation.setY(y);
+            rotation.setZ(z);
+        }
+        
+        PhysVol tubePV = new PhysVol(volume, mother, position, rotation);
+        tubePV.addPhysVolID("id", id);
+    }
+}

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