diff -u -r1.2 -r1.3
--- HtmlConverter.java	10 Jan 2011 20:51:16 -0000	1.2
+++ HtmlConverter.java	10 Jan 2011 22:52:12 -0000	1.3
@@ -23,7 +23,7 @@

  * Convert a compact description to an html information page.
  * 
  * @author Jeremy McCormick <[log in to unmask]>

- * @version $Id: HtmlConverter.java,v 1.2 2011/01/10 20:51:16 jeremy Exp $

+ * @version $Id: HtmlConverter.java,v 1.3 2011/01/10 22:52:12 jeremy Exp $

  */
 // TODO add css
 // TODO add timestamp at bottom including generation date, user name, and compact file

@@ -351,8 +351,16 @@

                 Segmentation seg = ( Segmentation ) subdet.getReadout().getIDDecoder();
                 addLabeledRow( tbl, "Segmentation Type", seg.getClass().getSimpleName() );
             }

-            addLabeledRow( tbl, "Cell Size U", subdet.getReadout() != null ? cal.getCellSizeU() + " mm" : "NA" );
-            addLabeledRow( tbl, "Cell Size V", subdet.getReadout() != null ? cal.getCellSizeV() + " mm" : "NA" );

+            
+            try 
+            {
+                addLabeledRow( tbl, "Cell Size U", subdet.getReadout() != null ? cal.getCellSizeU() + " mm" : "NA" );
+                addLabeledRow( tbl, "Cell Size V", subdet.getReadout() != null ? cal.getCellSizeV() + " mm" : "NA" );
+            }
+            catch (IndexOutOfBoundsException x)
+            {
+                // This can happen sometimes with a few types of Segmentation that have no cell U/V defined.
+            }

         }
     }
 

@@ -495,6 +503,6 @@

             super( "a" );
             this.setAttribute( "href", url );
             this.setText( url );

-        }

+        }       

     }
 }

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