GRAPH(1G-BSD)       RISC/os Reference Manual        GRAPH(1G-BSD)



NAME
     graph - draw a graph

SYNOPSIS
     graph [ option ] ...

DESCRIPTION
     graph with no options takes pairs of numbers from the stan-
     dard input as abscissas and ordinates of a graph.  Succes-
     sive points are connected by straight lines.  The graph is
     encoded on the standard output for display by the tplot(1G)
     filters.

     If the coordinates of a point are 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 (they are missing from
          the input); spacing is given by the next argument
          (default 1).  A second optional argument is the start-
          ing point for automatic abscissas (default 0 or 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 label for graph.

     -m   Next argument is mode (style) of connecting lines:  0
          disconnected, 1 connected (default).  Some devices give
          distinguishable line styles for other small integers.

     -s   Save screen, don't erase before plotting.

     -x [ l ]
          If l is present, x axis is logarithmic.  Next 1 (or 2)
          arguments are lower (and upper) x limits.  Third argu-
          ment, if present, is grid spacing on x axis.  Normally
          these quantities are determined automatically.

     -y [ l ]



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GRAPH(1G-BSD)       RISC/os Reference Manual        GRAPH(1G-BSD)



          Similarly for y.

     -h   Next argument is fraction of space for height.

     -w   Similarly for width.

     -r   Next argument is fraction of space to move right before
          plotting.

     -u   Similarly to move up before plotting.

     -t   Transpose horizontal and vertical axes.  (Option -x now
          applies to the vertical axis.)

     A legend indicating grid range is produced with a grid
     unless the -s option is present.

     If a specified lower limit exceeds the upper limit, the axis
     is reversed.

SEE ALSO
     plot(1G), spline(1G).

BUGS
     graph stores all points internally and drops those for which
     there isn't room.
     Segments that run out of bounds are dropped, not windowed.
     Logarithmic axes may not be reversed.



























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