[R-SIG-Mac] sh: convert: command not found

Emma Sherratt emma.sherratt at gmail.com
Fri Oct 24 06:22:28 CEST 2014


Dear Mac R community,

I wonder if anyone else has come across this issue. After installing the
new Mac OS10.10 Yosemite, I am now having a strange problem.

I'm trying to use movie3d and run similar functions based on this I have
written myself.

Specifically, when I run

> system("convert --version")
sh: convert: command not found

yet, it is not a path issue.
> Sys.getenv("PATH")
[1]
"/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/usr/local/git/bin:
*/opt/ImageMagick/bin*:/usr/texbin"

This shows clearly that the imagemagick path is listed  (and so isn't the
same as the problem in this previous discussion:
http://r.789695.n4.nabble.com/convert-command-not-found-in-movie3d-rgl-package-in-Mac-OS-X-td4320734.html
)

Also, in Terminal,

echo $PATH

/usr/local/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/usr/local/git/bin:
*/opt/ImageMagick/bin*:/usr/texbin

The only way I have been able to get it to work is:

system("/opt/ImageMagick/bin/convert --version")

[1] "Version: ImageMagick 6.8.9-8 Q16 x86_64 2014-10-08
http://www.imagemagick.org"

[2] "Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC"


[3] "Features: DPC OpenCL"


[4] "Delegates: bzlib fftw jng jpeg lcms lzma png tiff webp xml zlib"


[5] ""


However, this workaround does not work for me using movie3d{rgl}

Any ideas most appreciated


Emma

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Emma Sherratt, PhD.

Lecturer in Zoology,
Zoology Division, School of Environmental and Rural Science,
Room L118 Bldg C02,
University of New England,
Armidale, NSW, Australia, 2351
Tel: +61 2 6773 5038
email: emma.sherratt at une.edu.au

Caecilians are legless amphibians...

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