[R-SIG-Mac] Unable to use jpeg() in R.2.12.1

[Simon Urbanek]

On Dec 20, 2010, at 3:20 PM, Li, Man wrote:

> Dear list,
> 
> I just installed R-2.12.1 this afternoon on my mac (OS X 10.5.8). When I was trying to open jpeg() in R, I got this error message below.
> 
>> jpeg()
> Error in jpeg() : X11 module cannot be loaded
> In addition: Warning message:
> In jpeg() :
>  unable to load shared object '/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so':
>  dlopen(/Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so, 6): Library not loaded: /usr/X11/lib/libfontconfig.1.dylib
>  Referenced from: /Library/Frameworks/R.framework/Resources/modules/x86_64/R_X11.so
>  Reason: Incompatible library version: R_X11.so requires version 5.0.0 or later, but libfontconfig.1.dylib provides version 3.0.0
> 

Apparently your X11 is out of date - try installing all security upgrades from Apple (see Software Update).

That said, on Mac you are usually better off using Quartz - e.g. quartz(.., type="jpeg") instead of jpeg(), png() etc..

Cheers,
Simon



> There is no problem with png() and pdf().
> 
> Please advise!
> 
> Thanks a lot.
> 
> ----------------------------
> Man Li
> Research Analyst
> Dept of Epidemiology
> Johns Hopkins Bloomberg School of Public Health
> 
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