[R] Problem w/ axis and distortion in a plotting function

[Martin Maechler]

Hi Corey,

>>>>> "CoMo" == Moffet, Corey <Corey.Moffet at ttu.edu> writes:

    CoMo> I have a function for plotting soil texture that I am
    CoMo> having a problem with.  The function is:

    ...........

(it would be helpful if together with the function,
 you'd give an example call that we can use as well, i.e., with
 "R builtin" or random (sand <- rnorm(...)) data, so we can
 easily see what you mean) 

    CoMo> The label for the Sand axis (first text line above) is
    CoMo> not shown.

you have an explicit  xlab = "" -- so why would you expect a label?

    CoMo> The second problem I have with this is that the
    CoMo> triangle should be equilateral but when I print it the
    CoMo> triangle is not.  If I use par(pty = "s") before the
    CoMo> plot.psd call than the triangle is always stretched
    CoMo> vertically.

plot(....,  asp = 1 )  ## !!!

This is found (only?) on  help(plot.default),
a very nice feature and probably much under-used possibility
for specifying and fixing the ASPect ratio.

Does it help?

Martin Maechler <maechler at stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum  LEO C16	Leonhardstr. 27
ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
phone: x-41-1-632-3408		fax: ...-1228			<><
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