doc/info/figures/draw_head_angle.mac

   1 load("docdraw.mac");
   2 docdraw2d("figures/draw_head_angle",
   3         xrange = [0,10],
   4         yrange = [0,9],
   5         head_length = 0.7,
   6         head_angle = 10,
   7         vector([1,1],[0,6]),
   8         head_angle = 20,
   9         vector([2,1],[0,6]),
  10         head_angle = 30,
  11         vector([3,1],[0,6]),
  12         head_angle = 40,
  13         vector([4,1],[0,6]),
  14         head_angle = 60,
  15         vector([5,1],[0,6]),
  16         head_angle = 90,
  17         vector([6,1],[0,6]),
  18         head_angle = 120,
  19         vector([7,1],[0,6]),
  20         head_angle = 160,
  21         vector([8,1],[0,6]),
  22         head_angle = 180,
  23         vector([9,1],[0,6])
  24 )$