[R] howto improve sharpeness of fonts in a jpg-image produced by R ?

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Nov 18 15:11:20 CET 2003

There are two ways to make jpgs in R: which did you use?

If you want a sharp image, why are you using a format designed for 
photographic images?

I suspect your viewer: that example seems as sharp as I would expect 
viewed in a high-quality JPEG viewer on my LCD screen.

On Tue, 18 Nov 2003, Niels Steen Krogh wrote:

> Hi.
> I've done a standard barplotexample using R1-8.0, redhat8, probably using a 
> GhostScript-integration.
> How can I improve the "sharpness" of the fonts.
> See for example the barplot (originally jpg coming from R) which is part of 
> this screendump:
> http://www.zug.dk/Members/Nielssteenkrogh/1067525916309553166/element_103003161029
> I'm not sure where to improve the this. Is it an R-issue or an 
> GhostScript-issue or?

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

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