webvis (version 0.0.2)

pv.wedge: Add a wedge to the visualization (for pie charts, etc).

Description

Add a wedge to the visualization (for pie charts, etc).

Usage

pv.wedge(wv=pv.panel(), left, bottom, angle.name="y", inner.radius, outer.radius, outer.radius.name, ...)

Arguments

wv

A webvis object (defaults to an empty panel).

left

Where the pie chart will be centered w.r.t. the left side of the panel.

bottom

Where the pie chart will be centered w.r.t. the bottom of the panel.

angle.name

The name of the data field which contains the angle of each wedge.

inner.radius

The inner radius of the chart.

outer.radius

The outer radius of the chart (defaults to the width/height).

outer.radius.name

The name of a data field for varying radius for each wedge.

...

The parameters from pv.chart

Value

Details

pv.wedge Add a wedge to the visualization (for pie charts, etc).

References

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

See Also

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

Examples

pv.wedge(data=c(1, 1.2, 1.7, 1.5, .7, .5, .2), outer.radius=70, angle.name="y", render=TRUE)
pv.wedge(data=c(1, 1.2, 1.7, 1.5, .7, .5, .2), inner.radius=50, outer.radius=70, angle.name="y", render=TRUE)
pv.wedge(data=data.frame(y=c(1, 1.2, 1.7, 1.5, .7, .5, .2), rad=15*(1:7)), inner.radius=50, outer.radius.name="rad", angle.name="y", render=TRUE)