Re: [R] identify() and postscript output

[Michael Friendly]

Prof Brian Ripley wrote:

If instead, I use dev.copy2eps() after getting output to the screen, the point labels do not appear in the resulting .eps graph. Why? Is there a workaround?

I don't think that is true:

plot(1:10)
identify(1:10)
## Click near points 6 and 7
dev.copy2eps("test.eps")

and the points I selected are marked in test.eps.

Since Michael ignored the posting guide (again) we have no idea of what version etc of R he used: I checked on 2.8.1 on Linux and also on Mac OS. This was once a bug, fixed a while ago.

My bad. Thanks for Ripleying me. I'm using Win XP, R 2.8.1 with packages shown under sessionInfo() below.

> plot(1:10)
> identify(1:10)

> ## Click near points 6 and 7
> dev.copy2eps("test.eps")
Error in device(...) : unknown family 'test.eps'

I get output on WinXP by specifying file=
> dev.copy2eps(file="test.eps")
windows
     2


I checked with gv on Linux.  Perhaps that bug wasn't fixed on WinXP?
I also attach a .png screen shot of the R graphics window.

> sessionInfo()
R version 2.8.1 (2008-12-22)
i386-pc-mingw32

locale:


attached base packages:

other attached packages:

loaded via a namespace (and not attached):
[1] qvcalc_0.8-4 tools_2.8.1
>


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But still no joy -- test.eps *does not* contain the point labels (I clicked on 7 & 8). It's not a viewer problem -- LC_COLLATE=English_United States.1252;LC_CTYPE=English_United States.1252;LC_MONETARY=English_United States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252 [1] grid stats graphics grDevices utils datasets methods base [1] gnm_0.9-8 vcdExtra_0.3-4 vcd_1.2-2 colorspace_1.0-0 MASS_7.2-45 nnet_7.2-45 [7] lattice_0.17-20 car_1.2-12 Michael Friendly Email: friendly AT yorku DOT ca Professor, Psychology Dept.

test.eps
Description: PostScript document

<<inline: test.png>>

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