unhandled troff command .CT
graph – draw a graph
If an ordinate is followed by a nonnumeric string, that string is printed as a label beginning on the point. Labels may be surrounded with quotes " " in which case they may be empty or contain blanks and numbers; labels never contain newlines.
The following options are recognized, each as a separate argument.
Supply abscissas automatically; no
Break (disconnect) the graph after each label in the input.
Character string given by next argument is default label for each point.
Next argument is grid style, 0 no grid, 1 frame with ticks, 2 full grid (default).
Next argument is a legend to title the graph.
are automatically printed as part
of the title unless a
Next argument is mode (style)
of connecting lines:
0 disconnected, 1 connected.
Some devices give distinguishable line styles
for other small integers.
Mode –1 (default) begins with style 1 and
rotates styles for successive curves under option
The ordinates for
Next argument is one or more of the characters
Save screen; no new page for this graph.
Make automatically determined
Next argument is fraction of space for height.
Similarly for width.
Next argument is fraction of space to move right before plotting.
Similarly to move up before plotting.
Transpose horizontal and vertical axes.
If a specified lower limit exceeds the upper limit, the axis is reversed.
Segments that run out of bounds are dropped, not windowed.
Logarithmic axes may not be reversed.