From ripley at stats.ox.ac.uk  Sat Jul 23 17:03:38 2011
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Sat, 23 Jul 2011 16:03:38 +0100 (BST)
Subject: [Rd] Start-up messages when Importing from a package
In-Reply-To: <4E292DEB.5070403@jrc.ec.europa.eu>
References: <4E292DEB.5070403@jrc.ec.europa.eu>
Message-ID: <alpine.LFD.2.02.1107231602100.31769@gannet.stats.ox.ac.uk>

The message is from maptools (as it says), not sp.

No, there is nothing you can do when dependent packages put out 
messages.  You could ask the maintainer not to put the message out 
when rgeos is available ....

On Fri, 22 Jul 2011, Mauricio Zambrano-Bigiarini wrote:

> Dear List,
>
> I'm building a package  that uses 2 functions of the 'sp' package, and I 
> declared them in my NAMESPACE file as follow:
>
>
> importFrom("sp", proj4string, coordinates)
>
>
> The package is built without any problem, but when I load the package, I get 
> the following message:
>
> "
> Loading required package: sp
>
>        Note: polygon geometry computations in maptools
>        depend on the package gpclib, which has a
>        restricted licence. It is disabled by default;
>        to enable gpclib, type gpclibPermit()
>
> Checking rgeos availability as gpclib substitute:
> TRUE
> "
>
>
> However, if I only load the 'sp' package (in a different R session), I don't 
> get any warning message.
>
>
> Is there any way I can prevent the warning message appears when I load my 
> package ?
>
>
> Thanks in advance for any help,
>
>
> Mauricio Zambrano-Bigiairni
> -- 
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>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
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[Rd] Start-up messages when Importing from a package
Prof Brian Ripley