message: Add J key to switch between visualization options for global tracks...
diff: @@ -991,6 +991,7 @@ void PrintHelp()
  printf("[6]\t\tShow Tracks (after Tracklet Selector)\n");
  printf("[7]\t\tShow Global Track Segments\n");
  printf("[8]\t\tShow Final Merged Tracks (after Track Merger)\n");
  + printf("[J]\t\tShow global tracks as additional segments of final tracks\n");
  printf("[T]\t\tTake Screenshot\n");
  printf("[O]\t\tSave current camera position\n");
  printf("[P]\t\tRestore camera position\n");
  @@ -1026,6 +1027,11 @@ void HandleKeyRelease(int wParam)
  else
  drawSlice--;
  }
  + else if (wParam == 'J')
  + {
  + separateGlobalTracks ^= 1;
  + updateDLList = true;
  + }
  else if (wParam == 'I')
  {
  updateDLList = true;
  