I want to write some text in a corner of my plot. Is it possible to get the xlim and ylim of an open window? Or is there anything similar like legend(x="bottomright", inset=0.01,legend=...) for text(x=1,y=2, "test") Thomas
putting text in the corner
7 messages · Marc Schwartz (via MN), Fernando Mayer, Duncan Murdoch +3 more
On Thu, 2006-02-09 at 17:18 +0100, Thomas Steiner wrote:
I want to write some text in a corner of my plot. Is it possible to get the xlim and ylim of an open window? Or is there anything similar like legend(x="bottomright", inset=0.01,legend=...) for text(x=1,y=2, "test") Thomas
Try this:
plot(1:10)
# par("usr") defines the x/y coordinates of the plot region
usr <- par("usr")
# Upper Left Hand Corner
text(usr[1], usr[4], "test", adj = c(0, 1))
# Lower Left Hand Corner
text(usr[1], usr[3], "test", adj = c(0, 0))
# Lower Right Hand Corner
text(usr[2], usr[3], "test", adj = c(1, 0))
# Upper Right Hand Corner
text(usr[2], usr[4], "test", adj = c(1, 1))
See ?par and ?text for more information including the 'adj' argument to
text().
HTH,
Marc Schwartz
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On 2/9/2006 11:18 AM, Thomas Steiner wrote:
I want to write some text in a corner of my plot. Is it possible to get the xlim and ylim of an open window? Or is there anything similar like legend(x="bottomright", inset=0.01,legend=...) for text(x=1,y=2, "test")
par("usr")
gives you the limits.
Duncan Murdoch
?par, look at "usr" (which is how legend does it)
On Thu, 9 Feb 2006, Thomas Steiner wrote:
I want to write some text in a corner of my plot. Is it possible to get the xlim and ylim of an open window? Or is there anything similar like legend(x="bottomright", inset=0.01,legend=...) for text(x=1,y=2, "test")
Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595
Fernando Mayer wrote:
You can get the x and y position of any place of an open graphic device with the mouse cursor, using the function locator(), and even assing this values to an object, as in: xy<-locator() You will have a list with x and y positions. Then you can use: text(xy$x,xy$y,...)
or even
text(locator(), "test", ...)
Kjetil
See ?locator. HTH, Fernando Mayer. Thomas Steiner escreveu:
I want to write some text in a corner of my plot. Is it possible to get the xlim and ylim of an open window? Or is there anything similar like legend(x="bottomright", inset=0.01,legend=...) for text(x=1,y=2, "test") Thomas
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Thank you all.
par("usr")
is the perfect solution. It *is* in the help files, but was quite hard to find. Thomas