Re: tck crash (PR#384)

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Subject: Re: tck crash (PR#384)
maechler@stat.math.ethz.ch
Date: Wed 22 Dec 1999 - 19:51:12 EST


Message-Id: <199912220951.KAA06446@pubhealth.ku.dk>

>>>>> On Wed, 22 Dec 1999 10:05:44 +0100 (MET), plindsey@alpha.luc.ac.be said:

plindsey> The following crashes R0.90.1 on Intel Linux.
plindsey> This is what some of my students did:

plindsey> plot.new()
plindsey> plot.window(0:1,0:1)
plindsey> axis(1,tck=0:1)

Thank you for the bug report!

It also crashes on our Solaris platform, and with the newest "developers"
version.
However, *only* when no device has been created previously in the current R
session, i.e., PREpending

        par("usr") ; dev.off()

to your three commands gives the correct error message
>>> Error in par(args) : parameter "tck" has the wrong length

--

Remark / Question :

I think I would rather not have my students use low-level functions such as plot.new() and plot.window()...

Is there a reason they need these instead of plot()/lines()/.... etc ?

Martin Maechler <maechler@stat.math.ethz.ch> http://stat.ethz.ch/~maechler/ Seminar fuer Statistik, ETH-Zentrum LEO D10 Leonhardstr. 27 ETH (Federal Inst. Technology) 8092 Zurich SWITZERLAND phone: x-41-1-632-3408 fax: ...-1228 <><

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