[R] How to divide too long labels?

[Roger Bivand]

On Sat, 18 Mar 2006, Atte Tenkanen wrote:

> Is there any possibility to divide too long text in a plot to two or more
> lines, when using labels-parameter in the text()-command?
> 
> Here is an example picture:
> 
> http://users.utu.fi/attenka/253.jpeg
> 
> My example script is something like this:
> 
> text(1,0.7,labels=Chordnames[fnid(pcs%%12)]) # according to Larry
> Solomon's table http://solomonsmusic.net/pcsets.htm
> 
> Chordnames is a long vector with long character strings.

I think you could pre-process the labels column to insert suitable line 
breaks:

str <- "Pantuvarali Raga (1321131), Chromatic Mixolydian (1131132), Chromatic Dorian/Mela Kanakangi (1132113)"
out <- paste(strwrap(str, width=40), collapse="\n")

but I think you'd have to do it for each value separately.

> 
> Atte Tenkanen
> University of Turku
> Finland
> 
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-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no