[R-pkg-devel] how to make "r-release-osx-x86_64-mavericks" machine support rgl 3D plots

[Duncan Murdoch]

On 08/10/2015 7:55 PM, Ott Toomet wrote:
> Alternatively, you can exclude selected tests from being included in the
> package.  Most of the tests I do are not necessary to run on CRAN, these
> are not system dependent while still time consuming.  To run these just
> on my PC in enough.  So I use .Rbuildignore to exclude those.

Another way to achieve something similar is to put some tests in another
directory besides "tests" (e.g. inst/slowtests), and use the --test-dir
argument to R CMD check to run those.  This way other people can run
your tests if they want to.

Duncan Murdoch

> 
> Cheers,
> Ott
> 
> On Thu, Oct 8, 2015 at 2:10 PM, Duncan Murdoch <murdoch.duncan at gmail.com
> <mailto:murdoch.duncan at gmail.com>> wrote:
> 
>     On 08/10/2015 4:41 PM, Dr Gregory Jefferis wrote:
>     > Dear Duncan,
>     >
>     > Could I just revive this one more time
>     >
>     > On 16 Aug 2015, at 17:21, Duncan Murdoch wrote:
>     >
>     >> It is harder for you to implement this yourself, because CRAN frowns
>     >> on
>     >> tests that try to detect whether they're running under CRAN or not.
>     >>
>     >> You could put in "if (interactive())" checks around your displays.  If
>     >> you want to check whether the rgl calls are okay, you could do
>     >> something
>     >> like this:
>     >>
>     >> library(rgl)
>     >> options(rgl.useNULL = TRUE)
>     >
>     > I have a package which imports rgl i.e. rgl is loaded on package
>     > startup. A number of examples (not tests) use rgl features and I do not
>     > want these to be run on CRAN.
>     >
>     > Is there a way to configure rgl.useNULL to handle this situation?
>     >
> 
>     I don't think so, but I don't think you really want that.
> 
>     options(rgl.useNULL = TRUE)
> 
>     doesn't stop rgl from running, it just stops it from trying to display
>     anything.  So you could put code like
> 
>     if (!interactive())
>       options(rgl.useNULL = TRUE)
> 
>     into your .onLoad function for your package, and it wouldn't try to open
>     a display on CRAN, or anywhere else that wasn't interactive.
> 
>     Duncan
> 
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> 
> 
> 
> -- 
> Ott Toomet
> 
> Visiting Researcher
> School of Information
> Mary Gates Hall, Suite 310
> University of Washington
> Seattle, WA 98195
>