[GRASS-user] GISBASE on MacOSX

[Johannes Radinger]

Hi,

Roger Bivand recommend this list to be more suitable for my sort
of question the R-sig-geo. 
I'd like to use R outside a running GRASS session.
With the R package 'spgrass6' I can initiate a GRASS session (using
the function initGRASS). Therefore I need the path of the GISBASE.
I am working on Max OSX and my GRASS 6.5 has been selfcompiled and installed via the command console (sudo make install). The programm is
now here: "/Applications/GRASS-6.5.app"
What is now the correct path to my GISBASE or how can I find this out?

Does anyone have experience with that? This refers to that topic:
http://grass.osgeo.org/wiki/Working_with_GRASS_without_starting_it_explicitly#GRASS_databases
although it is still not clear how to find out where my GISBASE is on my Mac?

Any suggestions?

Best regards,
Johannes

On Tue, 14 Feb 2012, Johannes Radinger wrote:

> Hello,
>
> I want to use spgrass6 in an R session outside GRASS on Mac OSX. 
> Therefore I want to use initGRASS to set some needed environmental 
> variables etc. initGRASS() needs gisBase as one parameter which is the 
> direcotry path to the GRASS binaries. What is the standard path on Mac 
> OS X? My GRASS.app is in / /Applications/GRASS-6.5.app...
>
> so I tried following two approaches so far without success:

Please ask on statgrass or grass-users with reference to:

http://grass.osgeo.org/wiki/Working_with_GRASS_without_starting_it_explicitly

saying how you installed OSX GRASS. The views that OSX and R or Python or 
other scripting languages have of the file system may well differ a good 
deal.

Roger

>
>> initGRASS("/Applications/GRASS-6.5", home=tempdir())
> Fehler in initGRASS("/Applications/GRASS-6.5", home = tempdir()) :
>  /Applications/GRASS-6.5 not found
>> initGRASS("/Applications/GRASS-6.5.app", home=tempdir())
> Fehler in system(paste("g.version", get("addEXE", envir = .GRASS_CACHE),  :
>  Fehler bei der Ausf"uhrung des Kommandos
>
> I don't know what is causing the problem in the second approach?
> Does anyone know how to use initGRASS on Mac OS X in an R session outside GRASS correctly?
>
> Best regards,
> Johannes
> --
>
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-- 
Roger Bivand
Department of Economics, NHH Norwegian School of Economics,
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


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