Thank you for the answer. Just to clear things out, I'm generating plots of rgb images.
Talita 2009/4/11 Ben Bolker <bol...@ufl.edu> > > > Talita Perciano wrote: > > > > Dear users, > > > > I'm generating some images in R to put into a document that I'm producing > > using Latex. This document in Latex is following a predefined model, > which > > does not accept compilation with pdflatex, so I have to compile with > latex > > -> dvi -> pdf. Because of that, I have to generate the images in R with > > postscript (I want a vector format to keep the quality). The problem is > > that > > the files of the images are very huge (10MB) and I have many images to > put > > into the pdf document. > > I want to know if there is a way to reduce the size of those images > > generated by R using postscript. > > > > Thank you in advance, > > > > Talita > > > > > > Not in any extremely easy way. The fundamental problem is > that if you have a whole lot of points in your graph, it's hard > to make them take less file space even if they're overplotted > (and hence not visible in the actual image). > This has been discussed in various forms on the R list in the past, > but I can't locate those posts easily. It's a little hard without knowing > what kind of plot you're generating, but I'm assuming that you have > many, many points or lines in the graphic (or a very high-resolution > image plot), and that the details don't all show up in the figure anyway. > A few general strategies: > > * thin the points down to a random subset > * use a 2D density plot or hexagonal binning > * create a bitmap (PNG) plot, then use image > manipulation tools (ImageMagick etc.) to convert that back to > a PostScript file > * there was some discussion earlier about whether one > could embed a bitmap of just the internals of the plot, leaving > the axes, labels etc. in vector format, but I don't think that > came to anything > > good luck > Ben Bolker > > -- > View this message in context: > http://www.nabble.com/Help-with-postscript-%28huge-file-size%29-tp23003428p23004309.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- Talita Perciano Instituto de Matemática e Estatísitca Universidade de São Paulo - USP PhD Student in Computer Science São Paulo, SP, Brazil Tel: +55 11 8826 7092 "Success is not final, failure is not fatal: it is the courage to continue that counts." (Winston Churchill) [[alternative HTML version deleted]]
______________________________________________ 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.
