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rr-s4

How to access S4 methods that are not exported

Is there a way to access S4 methods that are not exported? I am working on a package that uses S3 classes. I have a class called foo. For foo I define a new plot method:

plot.foo <- function(x, ...) {
   # some code
   plot(x)  # this should be the plot method of an other S4 package
}

In my particular case I would like to call the plot method from the raster package, which seems not be exported.

Solution

  • It has been exported in the development version of raster (available here: http://r-forge.r-project.org/R/?group_id=294) and it should be available in the next release in CRAN.