[GRASS-stats] GRASS can't find R packages from personal library on Windows

[Helmut Kudrnovsky]

Roger Bivand wrote
> On Tue, 15 Nov 2016, Anna Petrášová wrote:
> 
>> Hi,
>>
>> I installed latest R on fresh Windows 10, then I installed several
>> packages into my personal library, then I installed standalone GRASS
>> GIS 7.3, and when I run R from GRASS session, it does not see the
>> installed packages. .libPaths() called from GRASS session indeed does
>> not show the path to the personal library. I installed the packages
>> again in GRASS session and then it's OK. Any idea why this happens and
>> how to avoid that?
> 
> No idea, only you can reproduce what you are doing. Do you mean 7.3, the 
> development version? Try the 7.0 and 7.2 versions, and compare to see 
> which environment variables may not be being transferred (R_LIBS probably) 
> in GRASS 7.3. Are you running R in a Windows terminal (if such 
> exists in Windows 10) inside GRASS, or in the command line in the 
> GRASS GUI? If the latter, has this changed?

tested with winGRASS7.2.svn standalone installer

System Info                                                                     
GRASS version: 7.2.svn                                                          
GRASS SVN revision: r69794                                                      
Build date: 2016-11-13                                                          
Build platform: x86_64-w64-mingw32                                              
GDAL: 2.1.2                                                                     
PROJ.4: 4.9.3                                                                   
GEOS: 3.5.0                                                                     
SQLite: 3.14.1                                                                  
Python: 2.7.5                                                                   
wxPython: 2.8.12.1                                                              
Platform: Windows-8-6.2.9200   

in the winGRASS-provided windows console:

Cleaning up temporary files...
Starting GRASS GIS...
WARNING: Concurrent mapset locking is not supported on Windows

          __________  ___   __________    _______________
         / ____/ __ \/   | / ___/ ___/   / ____/  _/ ___/
        / / __/ /_/ / /| | \__ \\_  \   / / __ / / \__ \
       / /_/ / _, _/ ___ |___/ /__/ /  / /_/ // / ___/ /
       \____/_/ |_/_/  |_/____/____/   \____/___//____/

Welcome to GRASS GIS 7.2.svn (r69794)
GRASS GIS homepage:                      http://grass.osgeo.org
This version running through:            Command Shell
(C:\WINDOWS\system32\cmd.exe)
Help is available with the command:      g.manual -i
See the licence terms with:              g.version -c
See citation options with:               g.version -x
If required, restart the GUI with:       g.gui wxpython
When ready to quit enter:                exit

Launching <wxpython> GUI in the background, please wait...
Microsoft Windows [Version 10.0.14393]
(c) 2016 Microsoft Corporation. Alle Rechte vorbehalten.

C:\Users\test>R

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> q()
Save workspace image? [y/n/c]: n

C:\Users\test>echo %R_LIBS%
%R_LIBS%

I've implemented the R-winGRASS-connecting for the standalone installer by

https://trac.osgeo.org/grass/browser/grass/trunk/mswindows/external/rbatch
https://trac.osgeo.org/grass/browser/grass/trunk/mswindows/external/rbatch/R.bat

%R_LIBS% isn't listed there.




-----
best regards
Helmut
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