On Mon, 8 Dec 2008, David Winsemius wrote:
On Dec 8, 2008, at 7:51 AM, mentor_ wrote:
Hi,
how can I save an image as a metafile?
I know within windows you can do a right click and then 'save image as
metafile'
but I use Mac OS X...
Which means this question would be better posed on the Mac OS list.
I know as well that mac users have a right click as
well, but
it does not work.
Are you using the R.app? If so, then you need to focus on the quartz device
window (by clicking on it or choosing it from the Window" pulldown menu) and
choose Save as.. from the File menu. It will not offer to save it as a
windows metafile, but rather does so as a pdf. In Preview you can open the
pdf and then save as other formats, although wmf is not one of the options.
If you prefer a tiff file, you could use Grab. Even LemkeSoft's
GraphicConverter does not offer a WMF option, so it's probably a proprietary
format that M$ is not documenting well or trying to restrict in some manner.
It is basically a set of calls to the (proprietary) Windows GDI. There
seems to be no viable implementation on any other platform (except as a
bitmap, but then there are lots of portable bitmap formats supported by R)
To find out what devices are available, try:
capabilities()
jpeg png tiff tcltk X11 aqua http/ftp sockets
libxml fifo cledit iconv NLS
TRUE TRUE FALSE TRUE TRUE TRUE TRUE TRUE
TRUE TRUE TRUE TRUE TRUE
profmem cairo
FALSE TRUE
So on my machine, a png device can get graphics output. That should provide
all of the functionality of a wmf format and be much more cross-platform.
Not so: wmf is a primarily a vector format: however PDF is a good
cross-platform substitute.
Is there a command in R for saving images as metafiles?
It would appear not, but why would it be necessary? What's wrong with the
choice among jpeg, png, pdf or tiff?
--
David Winsemius
Regards,
mentor
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--
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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