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<title>ploticus: proc rangesweep</title>
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  <td><br><h2>proc rangesweep</h2></td>
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.TH proc_rangesweep PL "25-AUG-2004   PL ploticus.sourceforge.net"

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<center>
<img src="../gallery/rangesweep0.gif">
</center>
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\fBproc rangesweep\fR draws a moving range from the
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<a href="dataformat.html#currentds">
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\0current data set,
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</a>
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in the 
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<a href="areadef.html">
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\0current plotting area.
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</a>
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See also the 
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<a href="../gallery/gall.rangesweep.html">
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\0gallery rangesweeps page.
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</a>
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<br><br><br>
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.SH Attributes
The \fClofield\fR and \fChifield\fR attributes \fBmust\fR be specified.

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<br><br>
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.LP
\fBlofield\fR 
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&nbsp; &nbsp;
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<a href="attributetypes.html#dfield">
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\0dfield
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</a>
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.IP \0
Data field to use for low end of range.
.br
Example: \fClofield: 1\fR

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<br><br>
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.LP
\fBhifield\fR 
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&nbsp; &nbsp;
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<a href="attributetypes.html#dfield">
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\0dfield
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</a>
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.IP \0
Data field to use for high end of range.
Example: \fChifield: 2\fR


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<br><br>
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.LP
\fBxfield\fR 
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&nbsp; &nbsp;
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<a href="attributetypes.html#dfield">
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\0dfield
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</a>
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.IP \0
Data field to use for X values.
If not specified, sequential unit locations in X will be used.
Example: \fCxfield: 1\fR

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<br><br>
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.LP
\fBcolor\fR 
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&nbsp; &nbsp;
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<a href="color.html">
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\0color
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</a>
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.IP \0
Color of the range sweep.
Example: \fCcolor: powderblue\fR

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<br><br>
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.LP
\fBlegendlabel\fR 
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&nbsp; &nbsp;
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<a href="attributetypes.html#text">
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\0 text 
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</a>
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.IP \0
A label to be associated with the current range sweep in the legend.
\fBproc legend\fR must be executed later in order to
render the legend.
.br
Example: \fClegendlabel: Group A\fR

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<br><br>
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.LP
\fBsweeprange\fR 
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&nbsp; &nbsp;
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\fIxlo\fR 
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&nbsp; &nbsp;
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[\fIxhi\fR]
.IP \0
If specified, range will be rendered only at x values falling between 
\fIxlo\fR and \fIxhi\fR.  \fIxlo\fR and \fIxhi\fR must be 
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<a href="attributetypes.html#plotvalue">
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\0plottable values
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</a>
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in X.  If \fIxhi\fR is not given then this will control
only the lower bound.
.br
Example: \fCsweeprange: 5 24\fR

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<br><br>
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.LP
\fBxstart\fR  
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&nbsp; &nbsp;
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<a href="attributetypes.html#plotvalue">
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\0plotvalue
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</a>
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.IP \0
If specified, and if using sequential locations in x (\fCxfield\fR not
specified), determines where in X the range will start.

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<br><br>
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.LP
\fBselect\fR  
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<a href="select.html">
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\0select expression
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</a>
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.IP \0
If specified, the \fIselect-expression\fR will be used to determine
whether or not to plot a given row of data.
.br
Example: \fCselect: @7 >= @9\fR

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