tiff output on Mac
Hi, Simon, I'm not sure where quartz.save is? Can you send me a pointer?
help.search("quartz.save")
No help files found with alias or concept or title matching ?quartz.save? using regular expression matching.
R.version
_ platform i386-apple-darwin8.11.1 arch i386 os darwin8.11.1 system i386, darwin8.11.1 status major 2 minor 9.2 year 2009 month 08 day 24 svn rev 49384 language R version.string R version 2.9.2 (2009-08-24) Thanks, --sundar On Thu, Oct 15, 2009 at 2:54 PM, Simon Urbanek
<simon.urbanek at r-project.org> wrote:
On Oct 15, 2009, at 13:08 , Michael Denslow wrote:
Dear R Mac folks, I have not seen a thread on this so I thought I would get some input regarding tiff output on a Mac. I am currently running OS 10.6.1 and R 2.9.2 GUI 1.29 Tiger build 32-bit (5464). I realize that the easiest way to save a plot is to select File, Save As. Which outputs a .pdf file. However, if I insert this graphic into Microsoft Word and send it to a friend on Windows the file gets mangled (the quality is decreased significantly). So I am working on just writing high quality tiff files which seem to display well all on both platforms. Tiffs also seems to be one of the preferred file types for many journals in my field.
PNG is the format of choice these days and better supported in general. TIFF
is more rare, but there is some support.
If you want 1:1 result of what you see in the Quartz window then the best
way is to use quartz.save() as it maintains sizes to produce WYSIWYG
results, e.g:
quartz.save("foo.tif","tiff",dpi=600)
Cheers,
Simon
Here are the options I have found that work on Macs.
# requires Ghostscript
bitmap(file="MacTest.tiff", type = "tifflzw",
? ? ? ?height = 7, width = 7, res = 600,
? ? units = "in")
plot(rpois(1:40,10))
dev.off()
tiff('Mactest.tiff', width = 5, height = 5, units = 'in', res = 600)
plot(rpois(1:100,1))
dev.off()
quartz(height = 7, width = 7, type = 'tiff', file = 'MacTest.tiff',bg
= 'white',dpi = 600)
hist(rpois(1:100,1))
dev.off()
hist(rpois(1:100,1))
# line are not all dark in output, not sure which tiff type to use...
dev2bitmap(file = 'MacTest.tiff', type = 'tiff24nc', height = 7, width
= 7, res = 600,
? ? ? ?units = 'in')
I have noticed that for bitmap and tiff the font and symbol size seems
to differ between the R session plot and the output plot.
Are there other graphic output options that I am missing here? Any
tips would be most appreciated.
Thanks in advance,
Michael
--
Michael Denslow
Graduate Student
I.W. Carpenter Jr. Herbarium [BOON]
Department of Biology
Appalachian State University
Boone, North Carolina U.S.A.
-- AND --
Communications Manager
Southeast Regional Network of Expertise and Collections
sernec.org
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