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GRAPH(1) General Commands Manual GRAPH(1) NAME graph - draw a graph SYNOPSIS graph [ option ... ] DESCRIPTION Graph with no options takes pairs of numbers from the standard input as abscissas (x-values) and ordinates (y-values) of a graph. Successive points are connected by straight lines. The graph is encoded on the standard output for display by plot(1) filters. If the ordinate of a point 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. -a Supply abscissas automatically; no x-values appear in the input. Spacing is given by the next argument (default 1). A second op- tional argument is the starting point for automatic abscissas (default 0, or 1 with a log scale in x, or the lower limit given by -x). -b Break (disconnect) the graph after each label in the input. -c Character string given by next argument is default label for each point. -g Next argument is grid style, 0 no grid, 1 frame with ticks, 2 full grid (default). -l Next argument is a legend to title the graph. Grid ranges are automatically printed as part of the title unless a -s option is present. -m Next argument is mode (style) of connecting lines: 0 discon- nected, 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 -o. -o (Overlay.) The ordinates for n superposed curves appear in the input with each abscissa value. The next argument is n. -s Save screen; no new page for this graph. -x l If l is present, x-axis is logarithmic. Next 1 (or 2) arguments are lower (and upper) x limits. Third argument, if present, is grid spacing on x axis. Normally these quantities are deter- mined automatically. -y l Similarly for y. -e Make automatically determined x and y scales equal. -h Next argument is fraction of space for height. -w Similarly for width. -r Next argument is fraction of space to move right before plot- ting. -u Similarly to move up before plotting. -t Transpose horizontal and vertical axes. (Option -a now applies to the vertical axis.) If a specified lower limit exceeds the upper limit, the axis is re- versed. SEE ALSO plot(1), grap(1), spline(A) BUGS In graph segments that run out of bounds are dropped, not windowed. Logarithmic axes may not be reversed. Option -e actually makes automatic limits, rather than automatic scal- ing, equal. GRAPH(1)