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.TH PLOT 1
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.SH NAME
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plot \- graphics filter
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.SH SYNOPSIS
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.B plot
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[
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.I file ...
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]
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.SH DESCRIPTION
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.I Plot
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interprets plotting instructions (see
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.IR  plot (6))
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from the
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.I files
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or standard input,
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drawing the results in a newly created
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.IR rio (1)
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window.
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Plot persists until a newline is typed in the window.
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Various options may be interspersed with the
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.I file
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arguments; they take effect at the given point in processing.
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Options are:
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.TP "\w'\fL-g \fIgrade\fLXX'u"
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.B -d
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Double buffer: accumulate the plot off-screen and write to the screen all at once
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when an erase command is encountered or at end of file.
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.TP
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.B -e
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Erase the screen.
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.TP
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.BI -c " col"
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Set the foreground color (see
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.IR plot (6)
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for color names).
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.TP
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.BI -f " fill"
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Set the background color.
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.TP
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.BI -g " grade"
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Set the quality factor for arcs.
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Higher grades give better quality.
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.TP
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.BI -p " col"
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Set the pen color.
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.TP
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.BI -w
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Pause until a newline is typed on standard input.
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.TP
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.B -C
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Close the current plot.
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.TP
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.B -W " x0,y0,x1,y1"
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Specify the bounding rectangle of plot's window.
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By default it uses a 512×512 window in the
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middle of the screen.
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.SH SOURCE
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.B /sys/src/cmd/plot
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.SH "SEE ALSO"
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.IR rio (1),
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.IR plot (6)