[R-SIG-Mac] tiff output on Mac

[Sundar Dorai-Raj]

Ah, I see. It's not available when using R in Emacs, as I do:

> args(quartz.save)
Error in args(quartz.save) : object 'quartz.save' not found

Thanks for the clarification.

--sundar

On Fri, Oct 16, 2009 at 10:20 AM, Simon Urbanek
<simon.urbanek at r-project.org> wrote:
>
> On Oct 16, 2009, at 1:10 PM, Sundar Dorai-Raj wrote:
>
>> Hi, Simon,
>>
>> I'm not sure where quartz.save is? Can you send me a pointer?
>>
>
> It's a function supplied by the R.app GUI. There is no help for it since
> it's not part of any package.
>
>> args(quartz.save)
> function (file, type = "png", device = dev.cur(), dpi = 100, ...)
>
> It's essentially a front-end to quartz() that is smart enough to find out
> settings from the current device so it can replicate the result using any
> quartz back-end. For parameters (except for "device" which is the device you
> want to save from) see ?quartz.
>
> Cheers,
> Simon
>
>
>
>>> 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
>>>>
>>>> _______________________________________________
>>>> R-SIG-Mac mailing list
>>>> R-SIG-Mac at stat.math.ethz.ch
>>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>>>
>>>>
>>>
>>> _______________________________________________
>>> R-SIG-Mac mailing list
>>> R-SIG-Mac at stat.math.ethz.ch
>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>>
>>
>>
>
>