diff -u -r1.1 -r1.2
--- FieldOverlay.java	5 May 2006 23:43:11 -0000	1.1
+++ FieldOverlay.java	16 May 2006 21:28:18 -0000	1.2
@@ -36,6 +36,7 @@

 	 */
 	public void getField(double[] pos, double[] b)
 	{

+		b[0] = b[1] = b[2] = 0.;

 		for (FieldMap field : fields)
 		{
 			field.getField(pos, b);

diff -u -r1.1 -r1.2
--- FieldOverlayTest.java	5 May 2006 23:43:12 -0000	1.1
+++ FieldOverlayTest.java	16 May 2006 21:28:18 -0000	1.2
@@ -31,7 +31,7 @@

     protected void setUp() throws Exception
     {
         InputStream in = 

-        	this.getClass().getResourceAsStream("/org/lcsim/geometry/compact/sdjan03_compact.xml");        

+        	this.getClass().getResourceAsStream("/org/lcsim/geometry/compact/sdjan03_compact.xml");  

         GeometryReader reader = new GeometryReader();
         det = reader.read(in);
     }