[R] Comparing figures?

[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, <ramiro using 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,
> <
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> >
> Ramiro
>
> Ramiro Barrantes Ph.D.
> Precision Bioassay, Inc.
> 431 Pine St., Suite 110
> Burlington, VT 05401
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> 802 861 2365 FAX
> www.precisionbioassay.com<
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> >
> ramiro using precisionbioassay.com
>
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