Hi,
To plot a figure, I used lwd=0.18 in the function lines() to plot very fine
lines. However, using png() or pdf() to save the figure, it appears that lwd
has no effect on pdf() beyond some small number (e.g. 0.18) and the lines looks
much thicker than png(). Setting lwd<0.18 does not make the lines any finer in
pdf(). I also tried specifying the argument lwd in par() instead and still
faced the same problem.
My understanding is pdf() allows lwd<1 but it seems that there is a lower
bound. I hope to use pdf() instead of png() because the computer server gives
the following error message when png is used:
> png(file="tmp.png")
Error in X11(paste("png::", filename, sep = ""), width, height, pointsize, :
unable to start device PNG
In addition: Warning message:
In png(file = "tmp.png") : unable to open connection to X11 display ''
>
Thanks for the help and advice in advance regarding the problem I am facing.
Best regards,
stan
My mac machine:
> version
_
platform x86_64-apple-darwin9.8.0
arch x86_64
os darwin9.8.0
system x86_64, darwin9.8.0
status
major 2
minor 11.1
year 2010
month 05
day 31
svn rev 52157
language R
version.string R version 2.11.1 (2010-05-31)
>
The computer sever:
> version
_
platform x86_64-unknown-linux-gnu
arch x86_64
os linux-gnu
system x86_64, linux-gnu
status
major 2
minor 9.0
year 2009
month 04
day 17
svn rev 48333
language R
version.string R version 2.9.0 (2009-04-17)
>
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