You're right, I meant to write "lines"not "line". The strange thing is,
although "line" isn't listed in ?unit, it doesn't return an error on my
machine,
> unit(-1, "line")
[1] -1line
> unit(-1, "lines")
[1] -1lines
Reading from
http://svn.r-project.org/R/trunk/src/library/grid/src/unit.c "line" is
listed as a pseudonym, so I guess it is a valid unit after all.
sessionInfo()
R version 2.9.0 (2009-04-17)
i386-apple-darwin8.11.1
locale:
en_GB.UTF-8/en_GB.UTF-8/C/C/en_GB.UTF-8/en_GB.UTF-8
attached base packages:
[1] datasets stats grid ( 2.9.0 ) graphics grDevices utils
methods base
Best,
baptiste
David Winsemius wrote:
On Jun 24, 2009, at 1:21 AM, casperyc wrote:
[quote]> grid.text("t", x=0.3, y=unit(-1, "line"), vp=vp2)
Error in valid.units(units) : Invalid unit
grid.text("s", 0.8, unit(-1, "line"), gp=gpar(col="red"), vp=vp2)
Error in valid.units(units) : Invalid unit[/quote]
Hi,
I have loaded the [grid] package. It seems that I have to load another
package?
No. Such a need might have been suggested by a function not found
error. In this case the details are in the help page for the unit
function in grid. The unit parameter was mis-specified.
?unit
Try:
grid.text("t", x=0.3, y=unit(-1, "lines"), vp=vp2)
--
grid.text("s", 0.8, unit(-1, "lines"), gp=gpar(col="red"), vp=vp2)
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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--
_____________________________
Baptiste Auguié
School of Physics
University of Exeter
Stocker Road,
Exeter, Devon,
EX4 4QL, UK
Phone: +44 1392 264187
http://newton.ex.ac.uk/research/emag
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
