From ripley at stats.ox.ac.uk  Thu Mar 22 20:12:40 2007
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Thu, 22 Mar 2007 19:12:40 +0000 (GMT)
Subject: [Rd] [R] Can I scale the labels in a 'persp' graph?
In-Reply-To: <45FA999D.1090406@stats.uwo.ca>
References: <mailman.11.1174042804.26780.r-help@stat.math.ethz.ch>
	<Pine.LNX.4.64.0703161252350.30144@obelix.umh.es>
	<45FA999D.1090406@stats.uwo.ca>
Message-ID: <Pine.LNX.4.64.0703221909020.22676@gannet.stats.ox.ac.uk>

[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

-- 
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



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