> From: Duncan Murdoch <[EMAIL PROTECTED]>
> Date: Sun, 21 Mar 2004 06:58:03 -0500
>
> On Sun, 21 Mar 2004 11:07:01 +0000, you [EMAIL PROTECTED] wrote:
>
> >Does anyone know of a method for writing text to the graphics window,
> >where there is *no* plot? Basically, I have developed a 'significance
> >test' and I would like the output on the graphics window to say
> >something about the input parameters and the stats of the significance test.
>
> You need to make sure a graphics device is active and establish a
> coordinate system there. The easiest way to do that is to make a call
> to plot() with everything turned off:
>
> plot(0:100,0:100,type='n',axes=FALSE,xlab="",ylab="")
>
> You may also want to reduce the "margins" if you want your output to
> take up the full frame, e.g.
>
> oldmargins <- par(mar=c(0,0,0,0))
> plot(0:100,0:100,type='n',axes=FALSE,xlab="",ylab="")
>
An easier way to activate a graphics device and establish a coordinate
system is to call plot.new().
Try:
> plot.new()
> text(0, 0, "ABC")
> par("usr")
[1] -0.04 1.04 -0.04 1.04
Ray Brownrigg
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