R devel - Nov 2010 - Avoid warning in a foreign package (maptools) when loaded via depends

Hi everybody,

 

Currently I'm in the process of developing an R library, where I make
use of  "pointLabel" in the "maptools" package. I've
defined the
dependency on package "maptools" via the DESCRIPTION file in the root
directory of my library.

 

Since the loading of package "maptools" issues a warning, "R CMD
check"
complains about this uncaught warning:

 
> library(maptools)
Loading required package: foreign

Loading required package: sp

 

Attaching package: 'maptools'

 

 

        The following object(s) are masked from package:sp :

 

         spChFIDs 

 

Warning message:

Multiple methods tables found for 'spChFIDs'

 

If I tried to circumvent this warning in usual  R code, I would do
something like

 

suppressWarning(library(maptools)) 

 

However, this is not an option as the library is loaded via the depends
command.

 

Can anybody advise me what do do?

 

Thanks + BR,

 

Thorn


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