[BioC] Rgraphviz

[Hervé Pagès]

Hi Janet,

On 07/08/2010 03:55 AM, Janet Higgins (JIC) wrote:
> Hi
>
> I am having problems installing and loading Rgraphviz.
>
> I have tried installing it in Windows with R versions  2.10.1 and 2.11.0, it appears to install ok but when I load it I get the following error
>
> Error : .onLoad failed in loadNamespace() for 'Rgraphviz', details:
>    call: value[[3L]](cond)
>    error: unable to load shared library 'C:/PROGRA~1/R/R-211~1.0/library/Rgraphviz/libs/Rgraphviz.dll':
>    LoadLibrary failure:  The specified module could not be found.
> Error in inDL(x, as.logical(local), as.logical(now), ...) :
>    unable to load shared library 'C:/PROGRA~1/R/R-210~1.1/library/Rgraphviz/libs/Rgraphviz.dll':
>    LoadLibrary failure:  The specified module could not be found.
>
> I have also tried installing it running R version 2.10.0 in Unix and I get the following error
>
> configure: No --with-graphviz option was specified. Trying to find Graphviz using other methods.
> checking for pkg-config... /usr/bin/pkg-config
> Package libgvc was not found in the pkg-config search path.
> Perhaps you should add the directory containing `libgvc.pc'
> to the PKG_CONFIG_PATH environment variable
> No package 'libgvc' found
> configure: pkg-config was not able to find the Graphviz library libgvc. This either indicates that Graphviz is old or that something is wrong. Verify Graphviz is installed and that PKG_CONFIG_PATH is correct.
> checking for dotneato-config... no
> configure: dotneato-config not found in PATH.
> configure: Using default directory /usr/local, consider specifiying --with-graphviz
> configure: error: /usr/local/bin/dot not found.  Check Graphviz installation.
> ERROR: configuration failed for package 'Rgraphviz'

On Ubuntu, first install libgraphviz-dev with:

   sudo apt-get install libgraphviz-dev

Cheers,
H.

>
>  From searching the various forum a lot of people appear to have had problems installing Rgraphviz but I cannot find many solutions.
> Can anyone help?
>
> Thanks
> Janet
>
>
> Dr Janet Higgins
> Dept of Crop Genetics
> John Innes Centre
> Norwich Research Park
> Colney
> Norwich
> NR4 7UH
> UK
>
>
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-- 
Hervé Pagès

Program in Computational Biology
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