DEnis,
On May 1, 2007, at 4:04 PM, Chabot Denis wrote: > Until now, I've been able to use the tilde to replace "/Users/ > chabotd" in all my R scripts, be it directly or with the use of > "paste". > > I am experimenting with quartz.save to produce png files to save > the step of producing pdf and transforming them into png later. I > need png to reduce file size for a series plots with thousands of > points, even though I prefer vector drawings for most situations. > > I have not been able to find any documentation on quartz.save, but > if I include the tilde in the file name, something that works with > pdf or png devices, it does not work (for me) with quartz.save. I > need to give the unabridged path. > > Is there a reason for this? > Yes, the tilde is not expanded. Why is it not expanded? Because the author didn't think of it ;). It's fixed now. > Also, what are the options in quartz.save? I've only managed to use > file="path and file" and type="png" or type="pdf". I've tried to > control resolution (res=300) but it had no effect, so for now I > change the size of the quartz graphics when I call quartz (which > forces me to change pointsize as well to keep proportions of text > relative to drawing size the same. > file, type and device are the only options of quartz.save and the purpose is to save the image "as-is", directly from the Quartz window, so res doesn't make sense here (it would no longer be a direct snapshot of the window). I guess it would be possible to do what you described, though (Quartz->PDF->PNG of any resolution). I'll see if there is an easy way to do that ... Cheers, Simon _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
