Index: trunk/BNC/bncfigure.cpp
===================================================================
--- trunk/BNC/bncfigure.cpp	(revision 1947)
+++ trunk/BNC/bncfigure.cpp	(revision 1948)
@@ -172,6 +172,8 @@
     painter.drawText(xx, yMax-10, staID.left(5));
 
-    painter.fillRect(xx, yMax-40-yy, 30, yy, 
-                     QBrush(Qt::blue,Qt::SolidPattern));
+    if(_maxRate > 0.0) {
+      painter.fillRect(xx, yMax-40-yy, 30, yy, 
+                       QBrush(Qt::blue,Qt::SolidPattern));
+    }
 
     anchor++;