On Tue, 20 Jan 2009, Paul J. Ossenbruggen wrote:
Hi Simon,
Thank you for the information about the R image rendering issue in
Preview and Acrobat. I am happy to learn that my problem is not
related to R and Quartz.
As you suggested, I zoomed in and out with Preview but the white
lines did not disappear entirely. However, this is OK for the type of
analysis that I have performed.
The real problem that I have is converting it to a tiff file. I must
Why? R has several tiff() devices, so why are you shunning them?
submit a tiff file to the journal where the image will be published.
When I use Preview for conversion,
Not a good idea. Use ghostscript if you must, via bitmap() (and make
sure antialiasing is off there).
the image looks like a Scottish plaid. The white lines are there but
they look they are part of the plaid.
Hmm, what is 'Scottish' about it?
Acrobat, on the other hand, is totally unacceptable. The image
shading disappears entirely and a series of dots appear within the map
boundary. The legends have no shading what so ever, thus converting it
to a tiff file won't work. I have successfully use this method for
transforming color R images in pdf to tiff.
Question: Is it possible to export or convert a R image directly to a
tiff file without going Preview?
Thank you,
Paul
--
Brian D. Ripley, [email protected]
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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