Re: [R] Comparing figures?

2018-05-07 Thread Martin Maechler
> Suzen, Mehmet > on Mon, 7 May 2018 15:48:57 + 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)

Re: [R] Comparing figures?

2018-05-07 Thread Suzen, Mehmet
I suggest perceptual diff. You could write a wrapper around it. http://pdiff.sourceforge.net On Mon, 7 May 2018 16:49 Ramiro Barrantes, wrote: > Hello, > > I am working on tests to compare figures. I have been using ImageMagick, > which creates a figure

[R] Comparing figures?

2018-05-07 Thread Ramiro Barrantes
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