Hi
Nicholas Lewin-Koh wrote: > Hi, > The move to sRGB is nice, is there any interest in adding an interface > to lcms, http://www.littlecms.com, > to allow gamut matching? I can think of a lot of instances where I would > like to render a > figure as it would appear on my printer. This is probably best done as a > separate package though, > at least at first. I saw a mention of this when I began looking at Krita the other day (because I had heard that it had good colour support). Screen-to-print would be a great thing to support. Paul > Nicholas > > > Martin Maechler wrote: >>>>>>> "Paul" == Paul Murrell <p.murrell at auckland.ac.nz> >>>>>>> on Wed, 05 Dec 2007 08:53:10 +1300 writes: >> Paul> Hi >> Paul> Achim and I have been looking at tidying up the colorspace package >> (see >> Paul> http://r-forge.r-project.org/projects/colorspace/) to fix a few >> Paul> inaccuracies, PLUS the possibility of declaring R's internal color >> space >> Paul> to be sRGB. >> >> Paul> I have started an RFC on the r-developer site >> Paul> (http://developer.r-project.org/sRGB-RFC.html) to discuss some >> possible >> Paul> changes to the core engine and add-on packages. >> >> Paul> One of the issues will be consolidating some of the double-ups >> (e.g., >> Paul> hcl() in base and the counterpart in package 'colorspace'; I did >> not >> Paul> even know about convertColor()!). >> >> Paul> Ideally, we would have only one copy of the conversions between the >> Paul> various colorspaces (probably C code, then the various R-level >> front >> Paul> ends can all just run off the same internal code). >> >> Paul> A lot of these conversions exist now in 'colorspace', but as Thomas >> Paul> pointed out, the S4-ness of 'colorspace' is a problem for making >> these >> Paul> conversions part of base R. >> >> Hmm, I think we are currently only required to keep 'base' not >> dependent on 'methods'. >> Why should 'grDevices' or new "standard R" package not be >> dependent on 'methods' ? >> Many of us would like to see S4 been used much more widely. > > > Great. I will keep working on the RFC to see if I can propose a way to > reconcile all of the color-conversion and palette-selection code based > on a single sRGB representation in the R core and only one set of > conversion functions. > > Paul > > >> Martin > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Dr Paul Murrell Department of Statistics The University of Auckland Private Bag 92019 Auckland New Zealand 64 9 3737599 x85392 [EMAIL PROTECTED] http://www.stat.auckland.ac.nz/~paul/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
