No (destructive) JPGs - they are evil (draw a line as see for yourself) and should be banned from publications (only useful for pictures/photos). Use PNGs for you plots if you don't like vector graphics. /H
On Mon, Sep 7, 2009 at 5:00 PM, jim holtman<jholt...@gmail.com> wrote: > The reason for the size of the file is that when generating a PDF, > commands are generated to plot "each" point. I generated a PDF file > with 10,000 and there were 10,000 of lines similar to the following: > > 159.93 349.01 1.00 1.00 re f > 343.19 283.07 1.00 1.00 re f > 427.86 323.58 1.00 1.00 re f > 431.68 230.08 1.00 1.00 re f > 93.79 278.89 1.00 1.00 re f > 425.78 332.10 1.00 1.00 re f > 332.04 366.16 1.00 1.00 re f > 78.55 305.61 1.00 1.00 re f > 277.22 135.42 1.00 1.00 re f > 423.47 101.07 1.00 1.00 re f > 435.86 289.67 1.00 1.00 re f > > My question is why do you need so many points? Have you looked at > 'hexbin' as way of plotting the data? Have you considered generating > 'jpg' output which will be much smaller; e.g. a jpg file with 10,000 > points was 70K and one with 100,000 was 90K -- it only created the > pixels to be plotted. > > On Mon, Sep 7, 2009 at 7:43 AM, Christian > Ritter<christian.rit...@uclouvain.be> wrote: >> Hi all, >> >> I have to produce arrangements of 25 simple plots of the type >> plot(x,y,pch=".") where there are typically on the order of 20000 points. >> So, overall, I have about 500000 points. When I use the pdf device, I get >> file sizes (on a Windows machine) of about 10 MB. >> When I then zip the files, I'm down to about 0.5MB, so the original pdf >> files were created with a lot of 'air'. >> I'm wondering why the pdf files are so large and whether there is an >> alternative to produce them smaller. Any ideas? >> >> Have a nice afternoon, >> >> Chris. >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem that you are trying to solve? > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.