On Tue, 2 Mar 2010, ghislain v. wrote:
Dear GRASS and R users,
I try to use R within GRASS in batch mode:
- I have a first file Script.sh which includes:
#!/bin/sh
export GRASS_BATCH_JOB=/home/ghislain/my_grassjob.sh
grass64 /home/ghislain/grassdata/Geo/PERMANENT
- A second file my_grassjob.sh which includes:
#!/bin/sh
R CMD BATCH /home/ghislain/ScriptRwithinGRASS.r
- And a third file (the R script ScriptRwithinGRASS.r) containing:
library(GRASS)
library(spgrass6)
library(sp)
system("g.region -p")
...
... other commands
When, I launch sh Script.sh, it opens GRASS and R correctly but the
libraries cannot be found:
library(GRASS)
Erreur dans library(GRASS) : aucun package nommé 'GRASS' n'est trouvé
Exécution arrêtée
Whereas when I use in a terminal the following commands:
grass64 /home/ghislain/grassdata/Geo/PERMANENT
R
library(GRASS)
the GRASS library is found.
Does someone have an explication to overcome this problem.
Set the environment variable R_LIBS to where you keep your packages. R in
batch mode does not some start-up files.
Roger
PS. Only use GRASS if you have GRASS 5, and never with spgrass6, there is
no point at all (no harm, just irrelevant).
Thanks for your help.
Ghislain
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--
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: [email protected]
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