[R] Fonts and Line widths

[Redding, Matthew]

	Hi All R guru's, 

	A couple of simple questions which I cannot find answers to in "an
introduction to R" or in the reference manuals.

	I am running R on Win95, and have plotted up quite a nice box and
whisker plot:

	char<-read.table("n:/reddinm/grifpr~1/survey/char.txt")
	attach(char)
	boxplot(Al,Fe,OC,pH, range=0,xaxis=FALSE,
	  ylab="Proportion of Unirigated Soil
Characteristic",xlab="Characteristic")
	nom2<-c("Al","Fe","OC","pH")
	axis(1,1:4,nom2)
	abline(h=1,lty=2)

	The problems are these, how do I change the line width (lines are
all too light).  I have attempted putting lwd=2 or something higher inside
the boxplot statement....
	which it swallows without any complaints...it just doesn't seem to
change anything, either on the screen or when printed out.

	Second problem, I find that the text quality when I export to a PNG
file is pretty bad...not good enough for publication.
	I thought that I might be able to get HErshey fonts to improve
this...but can't get them to work.  

	Final question: I cannot get R to swallow the addition of
	a font.lab(xxx,xxx) statement in the boxplot function......how do I
get it to use Sans Serif, and produce high quality output?  How do I use the

	font.lab command and the related commands.

	Thanks for your help.  It looks like a nice package from what I have
seen so far, so I'm keen to learn to 
	use it.

Matt Redding
Soil Scientist
Intensive Livestock Environmental Management-Research
Department of Primary Industries, Queensland
Australia.  ph 61 7 46 881372
	fax 61 7 46 881192
	reddinm at dpi.qld.gov.au
            http://www.dpi.qld.gov.au/ilems



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