Add an rule to the visualization.

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Description

Add an rule to the visualization.

Usage

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pv.rule(axis, data, left, left.name, left.scale, bottom, bottom.name, bottom.scale, ...)

Arguments

axis

can be either "x" or "y"

data

The data to be used in the function.

left

an exact position w.r.t. the left side of the panel

bottom

an exact position w.r.t. the bottom side of the panel

bottom.name

The name of the field in the supplied data frame or vector.

left.name

The name of the field in the supplied data frame or vector.

bottom.scale

The name of the field in the supplied data frame or vector.

left.scale

The name of the field in the supplied data frame or vector.

...

The parameters from pv.chart

Details

pv.rule Add an rule to the visualization.

Value

A wv object.

Author(s)

Shane Conway shane.conway@gmail.com

References

http://code.google.com/p/protovis-js/wiki/PvWedge

See Also

pv.chart, a more low-level charting function.

Examples

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data <- data.frame(y=c(1, 1.2, 1.7, 1.5, .7, .5, .2))
wv <- pv.panel(width=300, height=200, left=20, top=20, right=20, bottom=20)
wv <- wv + (pv.rule(wv=wv, data=data, axis="y", stroke.style="rgba(128,128,128,.2)", scale.min=0) + pv.label(anchor="right", text.name="y"))
wv <- wv + (pv.rule(wv=wv, data=1:10, axis="x", stroke.style="rgba(128,128,128,.2)") + pv.label(anchor="bottom", text.name="x"))
wv <- wv + pv.line(wv=wv, data=data, scale.min=0)
render.webvis(wv)

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