--- a/samples/main-random-topology.cc	Fri Apr 11 11:30:05 2008 -0700
+++ b/samples/main-random-topology.cc	Sun Apr 13 15:46:17 2008 -0700
@@ -31,7 +31,7 @@
                                  "Y", String ("100.0"),
                                  "Rho", String ("Uniform:0:30"));
   mobility.SetMobilityModel ("ns3::StaticMobilityModel");
-  mobility.Layout (c);
+  mobility.Install (c);
 
   Config::Connect ("/NodeList/*/$ns3::MobilityModelNotifier/CourseChange",
                               MakeCallback (&CourseChange));