diff -u -r1.3 -r1.4
--- Cloud2HistogramConverter.java	7 Mar 2008 01:59:14 -0000	1.3
+++ Cloud2HistogramConverter.java	29 Apr 2008 19:34:03 -0000	1.4
@@ -11,7 +11,7 @@

 {
     protected void endOfData()
     {

-	SlicDiagnosticsDriver.message("Connverting clouds to histograms ...");

+    	SlicDiagnosticsDriver.message("Connverting clouds to histograms ...");

 
         ITree tree = tree();
         

@@ -26,7 +26,13 @@

                 ICloud cloud = (ICloud)tree.find(names[i]);
                 if (!cloud.isConverted())
                 {

-                    cloud.convertToHistogram();

+                	try {
+                		cloud.convertToHistogram();
+                	}
+                	catch (IllegalArgumentException x)
+                	{
+                		System.err.println("Problem converting <"+ names[i]+"> to histogram: "+ x.getMessage());
+                	}

                 }
             }
         }