Thanks Petr, I'll take a look at that as well. Cheers,
Gavin. -----Original Message----- From: Petr PIKAL [mailto:petr.pi...@precheza.cz] Sent: 04 May 2012 13:09 To: Gavin Blackburn Cc: r-help@r-project.org Subject: Re: [R] colours in a pdf Hi One option for substantial distinguishable range of colours is jet.colors from matlab package. Regards Petr > Hi, > > Thanks for the help. Extending the palette to 16 or 20 would be a big > help. The largest number of files I've had to handle in a single group is > 42 and I wouldn't expect it to get much bigger than that. > > I'll take a look at RColorBrewer. > > Cheers, > > Gavin. > > -----Original Message----- > From: R. Michael Weylandt [mailto:michael.weyla...@gmail.com] > Sent: 04 May 2012 12:43 > To: Gavin Blackburn > Cc: r-help@r-project.org > Subject: Re: [R] colours in a pdf > > How many colors are you looking for? There are limits to how many the > eye can make out, but perhaps the RColorBrewer package would be a > place to start. Also check out: http://colorbrewer2.org/ > > To see all the builtin colors, you can simply use the colors() > function, but your viewer won't be able to distinguish most of them. > > Michael > > On Fri, May 4, 2012 at 7:39 AM, Gavin Blackburn > <gavin.blackb...@strath.ac.uk> wrote: > > Hi, > > > > I'm plotting PDFs and have a problem. If I have more than 8 sources of > data the colours are repeated. These plots are used to remove poor data > from the sets so it would be helpful if I could expand the colour range. > Is there any way to do this? > > > > The plots are coloured by defining a vector colsVec<-1:(length(mzXMLfiles)) > > > > And defined in the loop for (file in 1:length(mzXMLfiles)) > > > > as col=file > > > > The legend is then coloured using the same vector using col=colsVec > > > > Any help would be greatly appreciated. At the moment I have to break up > data into sets of 8 and hope that a large number of those are good data > sets so I have an aid to identify bad sets. > > > > Thanks, > > > > Gavin. > > > > Dr. Gavin Blackburn > > SULSA Technologist > > > > Strathclyde institute of Pharmacy and Biomedical Science > > 161 Cathedral Street, > > Glasgow. > > G4 0RE > > > > Tel: +44 (0)1415483828 > > > > ScotMet: The Scottish Metabolomics Facility > > www.metabolomics.strath.ac.uk<http://www.metabolomics.strath.ac.uk> > > > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list > > 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 mailing list > 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 mailing list 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.