[Rd] RE:bug 548 graphics '*' (PR#549)
Prof Brian Ripley
Prof Brian Ripley <firstname.lastname@example.org>
Mon, 22 May 2000 09:45:35 +0100 (BST)
> From: email@example.com
> Date: Mon, 22 May 2000 00:13:41 +0200 (MET DST)
> To: firstname.lastname@example.org
> Subject: [Rd] RE:bug 548 graphics '*' (PR#549)
> CC: Remail@example.com
> X-Loop: Rfirstname.lastname@example.org
> Full_Name: Adrian Custer
> Version: 1.0.1
> OS: gnu-linux (mandrake 7.1beta)
> Submission from: (NULL) (18.104.22.168)
> This is an update to bug report 548.
Please put PR#548 in the subject line for a follow-up. And *please*
mention critical facts like which graphics device you were using.
> The bug had two parts on my system:
> 1) the gnome-interface puts the "*" mark in the wrong place. It could be
> or something else. From the Docs the gnome-interface claimed just to
> base R but it is obviously doing something more and breaking the display.
Can you tell us please where you read that in the docs, so we can
correct it? It is a completely separate graphics device, to be called
gtk() from 1.1.0 (and the X11-based x11() will also be available).
> 1) the X11() interface. I can no longer reproduce the bug. Yesterday, the mark
> off everytime by a pixel today it is fine.
*one* pixel? I don't think you can expect one-pixel accuracy, not
least as where the centre of `*' is in the font used on my screen is
unclear to less than about half pixel. Accuracy to one pixel seems fine
on a screen device, provided it is consistent. You can expect greatest
accuracy on the hardcopy devices, where it may matter.
> I have contacted the person in charge of the gnome-Interface port so this
> considered a bug of that unless I can start reproducing the X11() offset.
If you mean Lyndon Drake, he has moved and as far as we know is no
longer working on R.
Brian D. Ripley, email@example.com
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 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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