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1.1 root 1: .\" Copyright (c) 1990 Regents of the University of California.
2: .\" All rights reserved. The Berkeley software License Agreement
3: .\" specifies the terms and conditions for redistribution.
4: .\"
5: .\" @(#)graph.1 6.3 (Berkeley) 7/24/90
6: .\"
7: .Dd July 24, 1990
8: .Dt GRAPH 1
9: .Os ATT 7th
10: .Sh NAME
11: .Nm graph
12: .Nd draw a graph
13: .Sh SYNOPSIS
14: .Nm graph
15: .Op option
16: \&...
17: .Sh DESCRIPTION
18: .Nm Graph
19: with no options takes pairs of numbers from the
20: standard input as abscissas and
21: ordinates of a graph.
22: Successive points are connected by straight lines.
23: The graph is encoded on the standard output
24: for display by the
25: .Xr plot 1
26: filters.
27: .Pp
28: If the coordinates of a point are followed by
29: a nonnumeric string, that string is printed as a
30: label beginning on the point.
31: Labels may be surrounded with quotes "...", in
32: which case they may be empty or contain blanks
33: and numbers;
34: labels never contain newlines.
35: .Pp
36: The following options are recognized,
37: each as a separate argument.
38: .Tw Fl
39: .Tp Fl a
40: Supply abscissas automatically (they are missing from
41: the input); 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 lower limit given by
45: .Fl x ) .
46: .Tp Fl b
47: Break (disconnect) the graph after each label in the input.
48: .Tp Fl c
49: Character string given by next argument
50: is default label for each point.
51: .Tp Fl g
52: Next argument is grid style,
53: 0 no grid, 1 frame with ticks, 2 full grid (default).
54: .Tp Fl l
55: Next argument is label for graph.
56: .Tp Fl m
57: Next argument is mode (style)
58: of connecting lines:
59: 0 disconnected, 1 connected (default).
60: Some devices give distinguishable line styles
61: for other small integers.
62: .Tp Fl s
63: Save screen, don't erase before plotting.
64: .Tc Fl x
65: .Ws
66: .Op Ar l
67: .Cx
68: If
69: .Ar l
70: is present, x axis is logarithmic.
71: Next 1 (or 2) arguments are lower (and upper)
72: .Ar x
73: limits.
74: Third argument, if present, is grid spacing on
75: .Ar x
76: axis.
77: Normally these quantities are determined automatically.
78: .Tc Fl y
79: .Ws
80: .Op Ar l
81: .Cx
82: Similarly for
83: .Ar y .
84: .Tp Fl h
85: Next argument is fraction of space for height.
86: .Tp Fl w
87: Similarly for width.
88: .Tp Fl r
89: Next argument is fraction of space to move right before plotting.
90: .Tp Fl u
91: Similarly to move up before plotting.
92: .Tp Fl t
93: Transpose horizontal and vertical axes.
94: (Option
95: .Fl x
96: now applies to the vertical axis.)
97: .Tp
98: .Pp
99: A legend indicating grid range is produced
100: with a grid unless the
101: .Fl s
102: option is present.
103: .Pp
104: If a specified lower limit exceeds the upper limit,
105: the axis
106: is reversed.
107: .Sh SEE ALSO
108: .Xr spline 1 ,
109: .Xr plot 1
110: .Sh HISTORY
111: .Nm Plot
112: appeared in Version 6 AT&T Unix.
113: .Sh BUGS
114: .Nm Graph
115: stores all points internally and drops those for which
116: there isn't room.
117: .Pp
118: Segments that run out of bounds are dropped, not windowed.
119: .Pp
120: Logarithmic axes may not be reversed.
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