[R] gray background in png
andy_liaw at merck.com
Sun Jul 18 17:29:47 CEST 2004
Seems like a bug to me. I tried setting theme=col.whitebg in arguments to
trellis.device, same result. Setting options(lattice.theme=col.whitebg)
also does the same thing. The same thing happens win.metafile() for me.
This is on WinXPPro, R-1.9.1 and
Title: Lattice Graphics
Author: Deepayan Sarkar <deepayan at stat.wisc.edu>
Maintainer: Deepayan Sarkar <deepayan at stat.wisc.edu>
Description: Implementation of Trellis Graphics. See ?Lattice for a brief
Depends: R (>= 1.9.0), grid
License: GPL version 2 or later
Packaged: Wed Jul 7 02:39:54 2004; deepayan
Built: R 1.9.1; i386-pc-mingw32; 2004-07-07 14:00:16; windows
-- File: C:/R/rw1091/library/lattice/DESCRIPTION
> From: Sundar Dorai-Raj
> Hi all,
> I'm having a problem creating png images with
> trellis.device. I would
> like to create many plots with a white background using a sequence
> number in the file argument (i.e. "%02d"). The first plot is
> as expected
> with a white background. However, the second and all subsequent plots
> have a gray background. I would like all plots to have a white (or
> transparent) background. Below is an example:
> z <- expand.grid(A = LETTERS[1:8], B = letters[1:6])
> z$x <- z$y <- rep(1, nrow(z))
> trellis.device(png, file = "test%02d.png", bg = "white")
> xyplot(y ~ x | A * B, data = z, layout = c(4, 6))
> This is also the case for jpeg and bmp though win.metafile and
> postscript do not have this problem. Is this a bug or am I missing
> something obvious?
> I found one reference that implies this may be expected behaviour but
> I'm not sure if I interpretted the comment correctly.
system i386, mingw32
> help(package = lattice)
Information on Package 'lattice'
R-help at stat.math.ethz.ch mailing list
PLEASE do read the posting guide!
More information about the R-help