[Rd] Axis line not appearing with axis(tick=FALSE) (PR#8998)

[Duncan Murdoch]

Sean Pieper wrote:
> ah-- this isn't clear from the documentation :-).

I see that.  I've fixed the docs in R-devel, and will do the same in 
R-patched if I have enough time before my flight...

Duncan
>
> Thanks for the work around!
>
> -sean
>
> On 6/18/06, *Duncan Murdoch* < murdoch at stats.uwo.ca 
> <mailto:murdoch at stats.uwo.ca>> wrote:
>
>     sean.pieper at gmail.com <mailto:sean.pieper at gmail.com> wrote:
>     > Full_Name: Sean Pieper
>     > Version: 2.3.1
>     > OS: Windows
>     > Submission from: (NULL) (67.188.92.37 <http://67.188.92.37>)
>     >
>     >
>     > Hi, I am trying to create a qualitative figure for which I don't
>     want tick marks
>     > or numbers, but having some axes would be nice.
>     >
>     > If I do:
>     >
>     > plot.new()
>     > axis(2,labels=FALSE,tick=FALSE,lty="solid",lwd=1)
>     >
>     > I expect this should give me a vertical line on the left edge of
>     the plot, but
>     > nothing draws. When I run:
>     >
>     > axis(2,labels=FALSE,tick=TRUE,lty="solid",lwd=1)
>     >
>     > both the line and the ticks draw
>     >
>     > If I type:
>     >
>     > axis(2,labels=TRUE,tick=FALSE,lty="solid",lwd=1)
>     >
>     > I get numbers, but still no axis line.
>     >
>     > I also checked with axis(1,...) and saw the same behavior.
>
>     I don't think this is a bug, just the way it is
>     designed.  Normally axis
>     only draws the line between the extreme ticks, not for the
>     whole length of the axis.  If you have no tick, you have no line.
>
>     You might get what you want with box(), or by drawing the axes using
>     abline(), e.g.
>
>     abline(v=par("usr")[1])
>
>     for a vertical line at the lower limit of x values.  As ?par says,
>     par("usr") is:
>
>     A vector of the form c(x1, x2, y1, y2) giving the extremes of the user
>     coordinates of the plotting region. When a logarithmic scale is in use
>     (i.e., par("xlog") is true, see below), then the x-limits will be
>     10 ^
>     par("usr")[1:2]. Similarly for the y-axis.
>
>     Duncan Murdoch
>
>