5 The first prompt (and graphics setup).

The first prompt in DDLab is presented as follows,

EXIT-q, graphics set-up-g, options-o.

forward only/single basin/subtree-s, (default field):

• 5.1 Field, or a run requiring a seed.
• 5.2 Graphics set-up.
  • 5.2.1 VGA and SVGA.
  • 5.2.2 White or black background.
• 5.3 Options.
• 5.4 Random number seed.
• 5.5 Exit DDLab.