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Annotation of lucent/sys/man/1/graph, revision 1.1

1.1     ! root        1: .TH GRAPH 1
        !             2: .CT 1 numbers graphics
        !             3: .SH NAME
        !             4: graph \- draw a graph
        !             5: .SH SYNOPSIS
        !             6: .B graph
        !             7: [
        !             8: .I option ...
        !             9: ]
        !            10: .SH DESCRIPTION
        !            11: .I Graph
        !            12: with no options takes pairs of numbers from the
        !            13: standard input as abscissas
        !            14: .RI ( x -values)
        !            15: and ordinates
        !            16: .RI ( y -values)
        !            17: of a graph.
        !            18: Successive points are connected by straight lines.
        !            19: The graph is encoded on the standard output
        !            20: for display by
        !            21: .IR  plot (1)
        !            22: filters.
        !            23: .PP
        !            24: If an ordinate is followed by
        !            25: a nonnumeric string, that string is printed as a
        !            26: label beginning on the point.
        !            27: Labels may be surrounded with quotes
        !            28: .L
        !            29: " "
        !            30: in which case they may be empty or contain blanks
        !            31: and numbers;
        !            32: labels never contain newlines.
        !            33: .PP
        !            34: The following options are recognized,
        !            35: each as a separate argument.
        !            36: .TP
        !            37: .B  -a
        !            38: Supply abscissas automatically; no
        !            39: .IR x -values
        !            40: appear in the input.
        !            41: Spacing is given by the next
        !            42: argument (default 1).
        !            43: A second optional argument is the starting point for
        !            44: automatic abscissas (default 0, or 1
        !            45: with a log scale in
        !            46: .IR x ,
        !            47: or the lower limit given by
        !            48: .BR -x ).
        !            49: .TP
        !            50: .B  -b
        !            51: Break (disconnect) the graph after each label in the input.
        !            52: .TP
        !            53: .B  -c
        !            54: Character string given by next argument
        !            55: is default label for each point.
        !            56: .TP
        !            57: .B  -g
        !            58: Next argument is grid style,
        !            59: 0 no grid, 1 frame with ticks, 2 full grid (default).
        !            60: .TP
        !            61: .B  -l
        !            62: Next argument is a legend to title the graph.
        !            63: Grid ranges
        !            64: are automatically printed as part
        !            65: of the title unless a
        !            66: .B -s
        !            67: option is present.
        !            68: .TP
        !            69: .B  -m
        !            70: Next argument is mode (style)
        !            71: of connecting lines:
        !            72: 0 disconnected, 1 connected.
        !            73: Some devices give distinguishable line styles
        !            74: for other small integers.
        !            75: Mode \-1 (default) begins with style 1 and
        !            76: rotates styles for successive curves under option
        !            77: .BR -o .
        !            78: .TP
        !            79: .B -o
        !            80: (Overlay.)
        !            81: The ordinates for
        !            82: .I n
        !            83: superposed curves appear in the input
        !            84: with each abscissa value.
        !            85: The next argument is
        !            86: .IR n .
        !            87: .TP
        !            88: .B  -s
        !            89: Save screen; no new page for this graph.
        !            90: .TP
        !            91: .B -x l
        !            92: If
        !            93: .B l
        !            94: is present,
        !            95: .IR x -axis
        !            96: is logarithmic.
        !            97: Next 1 (or 2) arguments are lower (and upper)
        !            98: .I x
        !            99: limits.
        !           100: Third argument, if present, is grid spacing on
        !           101: .I x
        !           102: axis.
        !           103: Normally these quantities are determined automatically.
        !           104: .TP
        !           105: .B -y l
        !           106: Similarly for
        !           107: .IR y .
        !           108: .TP
        !           109: .B -e
        !           110: Make automatically determined
        !           111: .I x
        !           112: and
        !           113: .I y
        !           114: scales equal.
        !           115: .TP
        !           116: .B  -h
        !           117: Next argument is fraction of space for height.
        !           118: .TP
        !           119: .B  -w
        !           120: Similarly for width.
        !           121: .TP
        !           122: .B  -r
        !           123: Next argument is fraction of space to move right before plotting.
        !           124: .TP
        !           125: .B  -u
        !           126: Similarly to move up before plotting.
        !           127: .TP
        !           128: .B  -t
        !           129: Transpose horizontal and vertical axes.
        !           130: (Option
        !           131: .B -a
        !           132: now applies to the vertical axis.)
        !           133: .PP
        !           134: If a specified lower limit exceeds the upper limit,
        !           135: the axis
        !           136: is reversed.
        !           137: .SH SOURCE
        !           138: .B /sys/src/cmd/graph
        !           139: .SH "SEE ALSO"
        !           140: .IR plot (1), 
        !           141: .IR grap (1)
        !           142: .SH BUGS
        !           143: Segments that run out of bounds are dropped, not windowed.
        !           144: Logarithmic axes may not be reversed.
        !           145: Option
        !           146: .B -e
        !           147: actually makes automatic limits, rather than automatic scaling,
        !           148: equal.

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