[R] package ReadImages
petr.pikal at precheza.cz
Fri Feb 22 09:36:13 CET 2013
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Prof Brian Ripley
> Sent: Friday, February 22, 2013 8:17 AM
> To: r-help at r-project.org
> Subject: Re: [R] package ReadImages
> On 22/02/2013 05:44, Greg Snow wrote:
> > Some possibilities: The EBImage package on Bioconductor; the jpeg
> > png packages read jpeg and png images.
> Almost everyone using ReadImages was using it to read TIFF images,
> which package tiff can do. See the 'Data Import/Export Manual',
> http://cran.r-project.org/doc/manuals/r-devel/R-data.html#Image-files .
Thanks, I will try.
> > On Thu, Feb 21, 2013 at 8:26 AM, PIKAL Petr <petr.pikal at precheza.cz>
> >> Dear all
> >> I prepared some image processing routine which depended on package
> >> ReadImages. Basically I imported image to R, changed rgb to
> >> grayscale, normalised an image made some selections and changed to
> >> image by imagematrix.
> >> Recently I learned that this package was removed from CRAN and can
> >> not be used in R 3.0.0.
> It was archived, already being orphaned. When R 3.0.0 is released you
> can see if it works there: I expect it to.
I tried to install it from binary on R-devel
R Under development (unstable) (2013-02-13 r61942) -- "Unsuffered Consequences"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i386-w64-mingw32/i386 (32-bit)
It does not load with error
Error: package 'ReadImages' was built before R 3.0.0: please re-install it
So I presume I could try to build it from sources, which can be beyound my expertise, if there was some tweak issues. This is probably the last resort for me.
> >> What options I have now to import image to R, change it to
> >> make some computation or selection, change it back to image and plot
> >> for visual inspection.
> >> Thanks
> >> Petr
> Brian D. Ripley, ripley at stats.ox.ac.uk
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
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