java/trunk/monitoring-drivers/src/main/java/org/hps/monitoring/ecal/ui

--- java/trunk/monitoring-drivers/src/main/java/org/hps/monitoring/ecal/ui/PEventViewer.java	2014-03-19 00:44:40 UTC (rev 319)
+++ java/trunk/monitoring-drivers/src/main/java/org/hps/monitoring/ecal/ui/PEventViewer.java	2014-03-19 02:03:00 UTC (rev 320)
@@ -73,6 +73,9 @@

 		// Suppress the calorimeter panel's redrawing.
 		ecalPanel.setSuppressRedraw(true);
 		

+		// Clear the panel data.
+		ecalPanel.clearCrystals();
+		

         // Display the hits.
         for (EcalHit h : hitList) {
             int ix = toPanelX(h.getX());