[BioC] Problem with Rgraphviz on OSX with libgvc

[Seth Falcon]

Hi Jarrett,

Jarrett Byrnes <jebyrnes at ucdavis.edu> writes:

> Hey, all, I'm trying to see if I can work with Rgraphviz as a means  
> of implementing graph plotting for the sem package (I tried  
> dynamicGraph, which was great for some things, but didn't deal with  
> directionality of arrows and doubleheaded arrows so well).  Also, sem  
> already outputs dotfiles, so it is logical to just pipe them in to  
> Rgraphviz or somesuch.
>
> Anyway, I installed graphiviz from source on a machine running OSX  
> 10.4.8, and it worked like a charm.

Which version of graphviz?  How did you install it?

> However, after installing Rgraphviz and it's dependencies, it was not  
> able to load, due to graphviz not installing a library it seemed to  
> need, libgvc where Rgraphviz wants it.    The error I get when I  
> attempt to load Rgraphviz is:

Which version of R?  How was R installed?  How did you install
Rgraphviz and which version?

I'm guessing that you installed the OS X binary version of Rgraphviz.
That is compatible with the graphviz binary downloadable from here:

   http://r.research.att.com/#pkg

Yes, it is an old version.  If you want to use a more recent graphviz,
you will need to be able to install Rgraphviz from source.


+ seth