GeomConverter/src/org/lcsim/detector

diff -u -r1.15 -r1.16
--- PhysicalVolumeNavigator.java	10 Oct 2007 22:35:44 -0000	1.15
+++ PhysicalVolumeNavigator.java	9 Feb 2011 01:30:15 -0000	1.16
@@ -3,6 +3,8 @@

 import hep.physics.vec.BasicHep3Vector;
 import hep.physics.vec.Hep3Vector;
 

+import java.util.Collection;
+

 import org.lcsim.detector.solids.Inside;
 
 /**

@@ -418,4 +420,29 @@

 	{
 		return name;
 	}

+	
+	/**
+	 * Utility method for getting String paths to leaf volumes.
+	 * @param paths List of paths passed in by caller.
+	 * @param node The top node to traverse.
+	 * @param path The recursive path String.
+	 */
+	public static void getLeafPaths(Collection<String> paths, IPhysicalVolume node, String path)
+    {
+        if (node == null)
+        {
+            return;
+        }
+        if (node.getLogicalVolume().getDaughters().size() == 0)
+        {
+            paths.add(path + "/" + node.getName());
+            return;
+        }
+        
+        path += "/" + node.getName();
+        for (IPhysicalVolume dau : node.getLogicalVolume().getDaughters())
+        {
+            getLeafPaths(paths, dau, path);
+        }
+    }

 }

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