PLplot
orientation
Sets integer plot orientation parameter which (0 for landscape, 1 for portrait, etc.). The value is multiplied by 90 degrees to get the angle.
color-index0
Sets the color index for cmap0
0 black (default background) 1 red (default foreground) 2 yellow 3 green 4 aquamarine 5 pink 6 wheat 7 grey 8 brown 9 blue 10 BlueViolet 11 cyan 12 turquoise 13 magenta 14 salmon 15 white
join
Draw a line between two points
text
Write text inside the viewport
text
Write text relative to viewport boundaries