pv.image: Add an image to the visualization.

In webvis: Create graphics for the web from R.

Description

Add an image to the visualization.

Usage

pv.image(url, left.name="x", bottom.name="y", bottom.scale=paste("linear", bottom.name, "y", sep = "."), left.scale=paste("linear", left.name, "x", sep =
    "."), ...)

Arguments

url	The url for the image to be displayed.
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.image Add an image to the visualization.

Value

A wv object.

Author(s)

Shane Conway [e-mail]

References

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

See Also

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

Examples

wv <- pv.panel(width=150, height=150)
render.webvis(wv + pv.image(url="http://vis.stanford.edu/protovis/ex/stanford.png", left.name=NULL, bottom.name=NULL))
pv.image(url="http://vis.stanford.edu/protovis/ex/stanford.png", width=100, height=100, left.name=NULL, bottom.name=NULL, render=TRUE)
pv.image(data=c(1, 1.2, 1.7, 1.5, .7, .5, .2), url="http://vis.stanford.edu/protovis/ex/stanford.png", width=50, height=50, render=TRUE)

webvis documentation built on May 30, 2017, 12:46 a.m.