Operation Manual

Chapter 8: Draw Instructions 131
Xleft and Xright, if included, specify left and right boundaries for the shading. Xleft and Xright must be
numbers between Xmin and Xmax, which are the defaults.
pattern specifies one of four shading patterns.
patres specifies one of eight shading resolutions.
Colors specifies available colors for DRAW commands.
Choose from the following options using the numbers for functions and commands as shown below:
pattern=1
pattern=2
pattern=3
pattern=4
vertical (default)
horizontal
negative—slope 45¡
positive—slope 45¡
patres=1
patres=2
patres=3
patres=4
patres=5
patres=6
patres=7
patres=8
shades every pixel (default)
shades every second pixel
shades every third pixel
shades every fourth pixel
shades every fifth pixel
shades every sixth pixel
shades every seventh pixel
shades every eighth pixel
Color Number Color Name
10 BLUE
11 RED
12 BLACK
13 MAGENTA
14 GREEN
15 ORANGE
16 BROWN
17 NAVY
18 LTBLUE
19 YELLOW
20 WHITE
21 LTGRAY
22 MEDGRAY
23 GRAY
24 DARKGRAY