[R] Color of points in legend() ignored if plotting to PNG

[David L Carlson]

Using

png("foo.png", 1200, 1200, res=200)
x <- rnorm(10)
y <- rnorm(10)
plot(x, y, pch = 21, cex = 1.5,
   xlim = range(x, y) * 1.2, ylim = range(x, y)*1.2,
   col = "black", bg = "lightgrey")
legend("topleft", legend = "foo", inset = 0.02,
   bg = "white", pch = 21, pt.cex = 1.5,
   col = "black", pt.bg = "lightgrey")
dev.off()

I'm not having any problem getting the grey on Win 8.

-------------------------------------
David L Carlson
Department of Anthropology
Texas A&M University
College Station, TX 77840-4352

-----Original Message-----
From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of PIKAL Petr
Sent: Monday, February 29, 2016 2:26 AM
To: Helmut Schuetz; r-help at r-project.org
Subject: Re: [R] Color of points in legend() ignored if plotting to PNG

Hi

Works on WXP too.

platform       i386-w64-mingw32
arch           i386
os             mingw32
system         i386, mingw32
status         Under development (unstable)
major          3
minor          3.0
year           2015
month          06
day            15
svn rev        68521
language       R
version.string R Under development (unstable) (2015-06-15 r68521)
nickname       Unsuffered Consequences

Cheers
Petr


> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Helmut
> Schuetz
> Sent: Sunday, February 28, 2016 2:02 PM
> To: r-help at r-project.org
> Subject: [R] Color of points in legend() ignored if plotting to PNG
>
> Dear all,
>
> if I plot to a PNG, the color of filled points (pch 21:25) in legend()
> is ignored (i.e., only the background color is used). It does not
> matter whether I specify the default png(bg="white") or
> png(bg="transparent").
>
> The example below
>
> x <- rnorm(10)
> y <- rnorm(10)
> plot(x, y, pch = 21, cex = 1.5,
>    xlim = range(x, y) * 1.2, ylim = range(x, y)*1.2,
>    col = "black", bg = "lightgrey")
> legend("topleft", legend = "foo", inset = 0.02,
>    bg = "white", pch = 21, pt.cex = 1.5,
>    col = "black", pt.bg = "lightgrey")
>
> works as desired on windows(...) but fails to show the color in the
> legend on png(...).
>
> Any suggestions?
> Helmut
>
> Environment: x86_64-w64-mingw32/x64 (64-bit), R 3.2.3
>
> --
> Ing. Helmut Schuetz
> BEBAC - Consultancy Services for
> Bioequivalence and Bioavailability Studies Neubaugasse 36/11 1070
> Vienna, Austria VAT No  ATU61115625
> DUNS    300370568
> tel     +43 1 2311746
> mobile  +43 699 10792458
> e-mail  helmut.schuetz at bebac.at
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> contact http://bebac.at/Contact.htm
> forum   http://forum.bebac.at/
>
> This e-mail is confidential and may also be legally privileged. If you
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> and provide commented, minimal, self-contained, reproducible code.

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