[R] postscript preview

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Oct 4 12:47:49 CEST 2000

On 4 Oct 2000, Peter Dalgaard BSA wrote:

> Prof Brian D Ripley <ripley at stats.ox.ac.uk> writes:
> > The only vector graphics formats supported by R on Linux are PostScript and
> > XFig to my knowledge.  We do hope to add PDF and WMF one day but the latter
> > in particular is not going to be easy due to lack of documentation (and
> > lack of existing convertors).
> I think you've said it before, but what are the potential advantages of
> a direct PDF driver over postscript + epstopdf? (Except being one step
> less)

You don't need ghostscript, and in particular you don't need a modern
ghostscript.  (A considerable advantage on Windows.)  Also, one can in
principle at least write cleaner PDF that is easier to edit, for example.

As someone pointed out to me privately, bitmap() does the postscript +
epstopdf bit for you if you select type = "pdfwrite". (As the author of
bitmap, I did know that....)

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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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