[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")

This shows clearly that the imagemagick path is listed  (and so isn't the
same as the problem in this previous discussion:

Also, in Terminal,

echo $PATH


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

[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 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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learn more about them here: www.emmasherratt.com/caecilians

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