Thanks to William and Bert! Atte
16.4.2016, 18.56, William Dunlap kirjoitti: > Since these are color strings, you can use functions in the grDevices > package (other others) to manipulate them. E.g., you can convert them > to various color spaces and perhaps use the mean in one of those > spaces as your 'average color'. > > > myColors <- c(One="#FF7C00",Two="#00BF40",Three="#FFFF00") > > col2rgb(myColors) > One Two Three > red 255 0 255 > green 124 191 255 > blue 0 64 0 > > rgb2hsv(col2rgb(myColors)) > One Two Three > h 0.08104575 0.3891798 0.1666667 > s 1.00000000 1.0000000 1.0000000 > v 1.00000000 0.7490196 1.0000000 > > > > Bill Dunlap > TIBCO Software > wdunlap tibco.com <http://tibco.com> > > On Sat, Apr 16, 2016 at 8:27 AM, Bert Gunter <bgunter.4...@gmail.com > <mailto:bgunter.4...@gmail.com>> wrote: > > ... and if you need to convert back: ?as.hexmode > > > -- Bert > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along > and sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Sat, Apr 16, 2016 at 8:20 AM, Bert Gunter > <bgunter.4...@gmail.com <mailto:bgunter.4...@gmail.com>> wrote: > > ?strtoi > > > > You'll have to remove the "#" first, e.g. via substring() > > > > -- Bert > > > > > > Bert Gunter > > > > "The trouble with having an open mind is that people keep coming > along > > and sticking things into it." > > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > > > > On Sat, Apr 16, 2016 at 5:47 AM, Atte Tenkanen <atte...@utu.fi > <mailto:atte...@utu.fi>> wrote: > >> Hi, > >> > >> How would you calculate the "mean colour" of several colours, > for example > >> c("#FF7C00","#00BF40","#FFFF00")? > >> > >> Yours, > >> > >> Atte Tenkanen > >> > >> ______________________________________________ > >> R-help@r-project.org <mailto: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 <mailto: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.
