glGrib::glfw3pm

  use glGrib::glfw;
  'glGrib::glfw'->start ('--grid.on', '--landscape.on');
  
  sleep (2);
  
  'glGrib::glfw'->set ('--grid.off');
  
  sleep (2);
  
  use Data::Dumper;
  
  print STDERR &Dumper (['glGrib::glfw'->get ('--view')]);
  
  'glGrib::glfw'->stop ();