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<title>graph(1) - Plan 9 from User Space</title>
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<tr><td width=20><td><b>GRAPH(1)</b><td align=right><b>GRAPH(1)</b>
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<br>
<p><font size=+1><b>NAME </b></font><br>
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graph – draw a graph<br>
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<p><font size=+1><b>SYNOPSIS </b></font><br>
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<tt><font size=+1>graph</font></tt> [ <i>option ...</i> ]<br>
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<p><font size=+1><b>DESCRIPTION </b></font><br>
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<i>Graph</i> with no options takes pairs of numbers from the standard
input as abscissas (<i>x</i>-values) and ordinates (<i>y</i>-values) of a graph.
Successive points are connected by straight lines. The graph is
encoded on the standard output for display by <a href="../man1/plot.html"><i>plot</i>(1)</a> filters.
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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 <tt><font size=+1>" "</font></tt> in which case they may be empty or contain blanks
and numbers; labels never contain newlines.
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The following options are recognized, each as a separate argument.<br>
<tt><font size=+1>−a</font></tt> Supply abscissas automatically; no <i>x</i>-values appear in the input.
Spacing is given by the next argument (default 1). A second optional
argument is the starting point for automatic abscissas (default
0, or 1 with a log scale in <i>x</i>, or the lower limit given by <tt><font size=+1>−x</font></tt>).<br>
<tt><font size=+1>−b</font></tt> Break (disconnect) the graph after each label in the input.<br>
<tt><font size=+1>−c</font></tt> Character string given by next argument is default label for
each point.<br>
<tt><font size=+1>−g</font></tt> Next argument is grid style, 0 no grid, 1 frame with ticks,
2 full grid (default).<br>
<tt><font size=+1>−l</font></tt> Next argument is a legend to title the graph. Grid ranges are
automatically printed as part of the title unless a <tt><font size=+1>−s</font></tt> option
is present.<br>
<tt><font size=+1>−m</font></tt> 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 <tt><font size=+1>−o</font></tt>.<br>
<tt><font size=+1>−o</font></tt> (Overlay.) The ordinates for <i>n</i> superposed curves appear in the
input with each abscissa value. The next argument is <i>n</i>.<br>
<tt><font size=+1>−s</font></tt> Save screen; no new page for this graph.<br>
<tt><font size=+1>−x l</font></tt>If <tt><font size=+1>l</font></tt> is present, <i>x</i>-axis is logarithmic. Next 1 (or 2) arguments
are lower (and upper) <i>x</i> limits. Third argument, if present, is
grid spacing on <i>x</i> axis. Normally these quantities are determined
automatically.<br>
<tt><font size=+1>−y l</font></tt>Similarly for <i>y</i>.<br>
<tt><font size=+1>−e</font></tt> Make automatically determined <i>x</i> and <i>y</i> scales equal.<br>
<tt><font size=+1>−h</font></tt> Next argument is fraction of space for height.<br>
<tt><font size=+1>−w</font></tt> Similarly for width.<br>
<tt><font size=+1>−r</font></tt> Next argument is fraction of space to move right before plotting.<br>
<tt><font size=+1>−u</font></tt> Similarly to move up before plotting.<br>
<tt><font size=+1>−t</font></tt> Transpose horizontal and vertical axes. (Option <tt><font size=+1>−a</font></tt> now applies
to the vertical axis.)
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If a specified lower limit exceeds the upper limit, the axis is
reversed.<br>
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<p><font size=+1><b>SOURCE </b></font><br>
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<tt><font size=+1>/usr/local/plan9/src/cmd/graph<br>
</font></tt>
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<p><font size=+1><b>SEE ALSO </b></font><br>
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<a href="../man1/plot.html"><i>plot</i>(1)</a>, <a href="../man1/grap.html"><i>grap</i>(1)</a><br>
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<p><font size=+1><b>BUGS </b></font><br>
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Segments that run out of bounds are dropped, not windowed. Logarithmic
axes may not be reversed. Option <tt><font size=+1>−e</font></tt> actually makes automatic limits,
rather than automatic scaling, equal.<br>
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<center>
<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a>
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<!-- TRAILER -->
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