>>>>> Suzen, Mehmet <mehmet.su...@gmail.com> >>>>> on Mon, 7 May 2018 15:48:57 +0000 writes:
> I suggest perceptual diff. You could write a wrapper > around it. http://pdiff.sourceforge.net In (base) R's own test ('make check-devel'), we basically use pdf(*, compress=FALSE) actually also setting 'encoding=.' and 'paper=.', see the R sources at https://svn.r-project.org/R/trunk/tests/reg-plot.R and the check (source at https://svn.r-project.org/R/trunk/tests/Makefile.common) basically is using R CMD Rdiff <foo>.pdf <foo>.pdf.save (with <foo> := reg-plot in this case) Martin Maechler R Core Team > On Mon, 7 May 2018 16:49 Ramiro Barrantes, > <ram...@precisionbioassay.com> wrote: >> Hello, >> >> I am working on tests to compare figures. I have been >> using ImageMagick, which creates a figure signature, and >> I can compare a "test" figure signature against a saved >> "reference" figure signature. It seems to work pretty >> well. However, it is slow as it requires reading from >> the file system. >> >> Are there any options to compare figures on memory? For >> example, if I generate a ggplot or lattice graph, I could >> have all my saved "reference" figures on memory (which I >> would have loaded all at once) and compare them. I just >> haven't found anything. >> >> I just found out about the vdiffr package and was going >> to explore it, not sure about the speed. >> >> Any suggestions appreciated. >> >> Thank you, < >> https://west.exch023.serverdata.net/owa/?ae=Item&a=New&t=IPM.Note&cc=MTQuMy4zMTkuMixlbi1VUyw2LEhUTUwsMCww&pspid=_1525698150389_875737489# >> > >> Ramiro >> >> Ramiro Barrantes Ph.D. Precision Bioassay, Inc. 431 >> Pine St., Suite 110 Burlington, VT 05401 802 865 0155 802 >> 861 2365 FAX www.precisionbioassay.com< >> https://west.exch023.serverdata.net/owa/redir.aspx?SURL=wN3KzpoKXAcetH7sTOTnSyfg-iAXFIinpPUtRcduCFCtkgZrUSDTCGgAdAB0AHAAOgAvAC8AdwB3AHcALgBwAHIAZQBjAGkAcwBpAG8AbgBiAGkAbwBhAHMAcwBhAHkALgBjAG8AbQA.&URL=http%3a%2f%2fwww.precisionbioassay.com >> > >> ram...@precisionbioassay.com >> >> CONFIDENTIALITY NOTICE: This email, including any >> attach...{{dropped:9}} >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and >> more, see 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. >> > [[alternative HTML version deleted]] > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and > more, see 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 -- To UNSUBSCRIBE and more, see 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.