diff -r 65c1b103443d -r 74065e83844d graph_displayer_canvas-node.cc
--- a/graph_displayer_canvas-node.cc	Mon Sep 25 15:30:04 2006 +0000
+++ b/graph_displayer_canvas-node.cc	Thu Sep 28 09:26:48 2006 +0000
@@ -1,6 +1,7 @@
 #include "graph_displayer_canvas.h"
 #include <cmath>
 
+const int minimum_node_radius=0;
 
 int GraphDisplayerCanvas::changeNodeRadius (std::string mapname, Node node)
 {
@@ -24,13 +25,19 @@
 		}
 	      else
 		{
-		  w=(int)(radius_min+(v-min)/(max-min)*(radius_max-radius_min));
+		  w=(int)(minimum_node_radius+(v-min)/(max-min)*(radius_max-minimum_node_radius));
 		}
 	    }
 	  else
 	    {
-	      w=5+(int)(v/radius_unit);
+	      w=(int)(v*radius_max);
 	    }
+
+	  if(w<5)
+	    {
+	      w=5;
+	    }
+
 	  if(w>=0)
 	    {
 	      double x1, y1, x2, y2;