[Rd] [R] Can I scale the labels in a 'persp' graph?

Prof Brian Ripley ripley at stats.ox.ac.uk
Thu Mar 22 20:12:40 CET 2007

[Moved to R-devel to ask a policy question.]

On Fri, 16 Mar 2007, Duncan Murdoch wrote:

> On 3/16/2007 8:02 AM, salcaraz at obelix.umh.es wrote:
>> Hi all:
>> I'm using 'persp' for 3D graphics.
>> I need the axis's labels smaller than by defect.
>> I see in 'help()', the information about 'par()'.
>> I have wrote:
>>> par(.....,cex.axis=0.5,cex.lab=0.5)
>> perspc(.................)
>> and the result don't change.
>> The question is: Can I change the size of labels in the perps graph??
>> Thank you in advance:
>> /salva
>> 'cex.axis' The magnification to be used for axis annotation
>>            relative to the current setting of 'cex'. (Some functions
>>            such as 'points' accept a vector of values which are
>>            recycled.  Other uses will take just the first value if a
>>            vector of length greater than one is supplied.)
>> 'cex.lab' The magnification to be used for x and y labels relative
>>            to the current setting of 'cex'.
> Those don't appear to be supported by persp, but cex is: e.g.
> x <- 1:10
> y <- 1:10
> z <- outer(x,y,function(x,y) sin((x+y)/10))
> persp(x,y,z, cex=0.5)

I've added this to ?persp and ?par, but I wondered if people thought we 
should change this to be like 2D plots.  Especially Ross I., who I believe 
is the author here?


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

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