[R-sig-Geo] error rgdal library if used from within Grass plugin (Windows)

[Roger Bivand]

On Mon, 9 Feb 2009, Agustin Lobo wrote:

> Hi!
>
> The following error only occurs if the R (2.7.2) session is started
> from a GRASS shell opened through the QGIS GRASS plugin in windows.
> The error does not occur If R is started form its own icon
> or by double click in the .RData  object,  but then the spgrass6
> package would not find the GRASS environment.
>
> It also works in linux.
> The involved  commands  are:
>
> 1. Start  QGIS
> 2. Star GRASS plugin and open mapset
> 3.  Open Grass Shell
> 4.  Run R and execute require(spgrass6)
>
>>>>> 
>>>>> Loading required package: spgrass6
>>>>> Loading required package: sp
>>>>> Loading required package: rgdal
>>>>> Error in fun(...) :
>>>>>         GDAL Error 1: Can't load requested DLL:
>>>>> C:\OSGeo4W\bin\gdalplugins\gdal_ECW_JP2ECW.dll
>>>>> 126: Não foi possível encontrar o módulo especificado.
>>>>> 
>>>>> 
>>>>> 
>>>>> Error : .onLoad failed in 'loadNamespace' for 'rgdal'
>>>>> Erro: package 'rgdal' could not be loaded

Which rgdal binary from where? This really is a question for osgeo4w, 
which is bleeding edge at the moment. Are you using the early draft rgdal 
binary built against a specific osgeo4w version and available from my 
website? Can we settle this off-list until osgeo4w stabilises?

Roger

>
> Any help appreciated.
>
> Agus
>
>

-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no