private void VisualiseConnectivityGraph(MapModel graphModel)
 {
     var visualiser = new DoorClueGraphvizExport(graphModel);
     visualiser.OutputFullGraph("bsptree-full");
     try
     {
         var graphVizLocation = Game.Config.Entries[Config.GraphVizLocation];
         GraphVizUtils.RunGraphVizPNG(graphVizLocation, "bsptree-full");
         GraphVizUtils.DisplayPNGInChildWindow("bsptree-full");
     }
     catch (Exception)
     {
         LogFile.Log.LogEntryDebug("Can't find graphViz in config file", LogDebugLevel.High);
     }
 }