diff -u -r1.1 -r1.2
--- MonitoringAnalysisFactory.java	5 Jun 2012 18:21:06 -0000	1.1
+++ MonitoringAnalysisFactory.java	5 Jun 2013 19:06:43 -0000	1.2
@@ -3,12 +3,17 @@

 import hep.aida.IPlotterFactory;
 import hep.aida.ref.AnalysisFactory;
 

+import java.util.HashMap;
+import java.util.Map;
+

 /**
  * @author Jeremy McCormick <[log in to unmask]>

- * @version $Id: MonitoringAnalysisFactory.java,v 1.1 2012/06/05 18:21:06 jeremy Exp $

+ * @version $Id: MonitoringAnalysisFactory.java,v 1.2 2013/06/05 19:06:43 jeremy Exp $

  */
 public class MonitoringAnalysisFactory extends AnalysisFactory {

-        

+    
+	Map<String,IPlotterFactory> plotFactories = new HashMap<String,IPlotterFactory>();
+	

     /**
      * Register this class as the default AnalysisFactory for AIDA by setting the magic property string.
      */

@@ -17,10 +22,13 @@

     }
 
     /**

-     * Create a named plotter factory for the monitoring application.  

+     * Create a named plotter factory for the monitoring application.

      */
     public IPlotterFactory createPlotterFactory(String name) {

-        return new MonitoringPlotFactory(name);

+    	if (plotFactories.get(name) == null) {
+    		plotFactories.put(name, new MonitoringPlotFactory(name));
+    	}
+    	return plotFactories.get(name);

     }
     
     /**