[R] dev2bitmap: extra missing

[Prof Brian Ripley]

Apparently so: this will be fixed in R-patched shortly.
Thanks for the report.

On Mon, 3 Nov 2008, Ido M. Tamir wrote:

> Hi,
> I don't know if I am the first one to report the problem:
> in 2.8.0 dev2bitmap gained aa support, but "extra" is null
> if neither taa nor naa is specified.
>
>> dev2bitmap("plot.pdf",type="pdfwrite")
> Error in paste(shQuote(gsexe), " -dNOPAUSE -dBATCH -q -sDEVICE=", type,  :
>  object "extra" not found
>> dev2bitmap("plot.pdf",type="pdfwrite",taa=4)
>>
>
> I guess a useful default for extra is missing:
>
>   if (!is.na(taa))
>        extra <- paste(" -dTextAlphaBits=", taa, sep = "")
>    if (!is.na(gaa))
>        extra <- paste(extra, " -dGraphicsAlphaBits=", gaa, sep = "")
>    cmd <- paste(shQuote(gsexe), " -dNOPAUSE -dBATCH -q -sDEVICE=",
>        type, " -r", res, "-dAutoRotatePages=/None", " -g", ceiling(res *
>            width), "x", ceiling(res * height), extra, " -sOutputFile=",
>        shQuote(file), " ", tmp, sep = "")
>
> best wishes,
> ido
>
>
>> R.Version()
> $platform
> [1] "x86_64-redhat-linux-gnu"
>
> $arch
> [1] "x86_64"
>
> $os
> [1] "linux-gnu"
>
> $system
> [1] "x86_64, linux-gnu"
>
> $status
> [1] ""
>
> $major
> [1] "2"
>
> $minor
> [1] "8.0"
>
> $year
> [1] "2008"
>
> $month
> [1] "10"
>
> $day
> [1] "20"
>
> $`svn rev`
> [1] "46754"
>
> $language
> [1] "R"
>
> $version.string
> [1] "R version 2.8.0 (2008-10-20)"
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595