[R] graph/save file/jpeg/slow

[Prof Brian D Ripley]

On Fri, 1 Jun 2001, S.McClatchie wrote:

> Colleagues
>
> ----------------------------------
> System info:
> R version rw1022 on NT
> ESS v. 5.1.18 using emacs ver. 20.4
>
> ----------------------------------
>
> I notice that saving a file from the menu bar in the graph window to
> 100% quality jpeg is very slow (more than 2 minutes). Is this something
> to be avoided?

Yes, jpeg at 100% is to be avoided, but speed depends on

1) The graphics windows size
2) The machine's RAM
3) The machine's processor speed

and I've never seen anything like the times you report.

> I know I can save the graph with postscript() in the script, or cut and
> paste into MSWord and save the document.

Or save as postscript or metafile from the menu bar ...

-- 
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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