[R] distance betwenn axis and axis annotation

Mark Difford mark_difford at yahoo.co.uk
Wed Feb 18 15:28:01 CET 2009


Duncan Murdoch wrote:

>> There's no real difficulty there: axis takes an mgp arg as well.

Thanks for that. A good bit of practical advice, which I hadn't yet clicked
on. I won't comment on the thinking thing;)

Regards, Mark.


Duncan Murdoch-2 wrote:
> 
> On 18/02/2009 7:50 AM, Mark Difford wrote:
>> Duncan Murdoch wrote:
>> 
>>>> I don't think you can do this directly, but you can do it using mtext.
>> 
>> This is not correct.
> 
> It was correct at the time I wrote it.  Of course things have changed 
> now that you and Dimitris have been so helpful:  now I *do* think you 
> can do it directly.
> 
> 
>   You can, as Dimitris has already shown. See ?par (sub
>> mgp). The difficulty arises if you want only one set of axes changed,
>> which
>> is not what was requested.
> 
> There's no real difficulty there: axis takes an mgp arg as well.  So you 
> can plot without axes, then add one axis with one mgp value, and the 
> other axis with a different one.
> 
> Duncan Murdoch
> 
> 
>> 
>> ## Example using your "example"
>> par(mfrow = c(1, 2))
>> x <- 1:10
>> y <- rnorm(10)
>> 
>> plot(x,y, axes=F)
>> box()
>> at <- pretty(x)
>> min <- par("usr")[1]
>> max <- par("usr")[2]
>> at <- at[ at >= min & at <= max]  # pretty extends the range
>> axis(1, at=at, labels=FALSE)
>> mtext(at, side=1, at=at, line=3)
>> 
>> plot(x, y, mgp = c(3, 3, 0))
>> 
>> Regards, Mark.
>> 
>> 
>> Duncan Murdoch-2 wrote:
>>> Luis Ridao Cruz wrote:
>>>> R-help,
>>>>
>>>> How can I specify the distance between the axis and axis annotation?
>>>>
>>>>
>>>>   
>>> I don't think you can do this directly, but you can do it using mtext.  
>>> For example:
>>>
>>> x <- 1:10
>>> y <- rnorm(10)
>>>
>>> plot(x,y, axes=F)
>>> box()
>>> at <- pretty(x)
>>> min <- par("usr")[1]
>>> max <- par("usr")[2]
>>> at <- at[ at >= min & at <= max]  # pretty extends the range
>>> axis(1, at=at, labels=FALSE)
>>> mtext(at, side=1, at=at, line=3)
>>>
>>> Duncan Murdoch
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>>
>>
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 

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