[GRASS-stats] Error when starting grass from R (grass installed thru osgeo4w)

[Veronica Andreo]

Hello Roger,

Thanks for coming back to this thread. The course, I'll teach starts on
October 22. So, we have 4+ weeks :)

Let me know how I can help with testing.
Thanks again

Vero

El mié., 19 sep. 2018 16:31, Roger Bivand <Roger.Bivand at nhh.no> escribió:

> Sorry for the delay, now have access to an old laptop with Windows. When
> do you need this resolved?
>
> Roger
>
> Roger Bivand
> Norwegian School of Economics
> Bergen, Norway
>
>
>
> Fra: Veronica Andreo
> Sendt: mandag 17. september, 02.20
> Emne: Re: [GRASS-stats] Error when starting grass from R (grass installed
> thru osgeo4w)
> Til: Helmut Kudrnovsky
> Kopi: grass-stats at lists.osgeo.org
>
>
> Hi again,
>
> So, I tested as suggested:
> 1. Open R console within OSGeo4W Shell,
> 2. library(rgrass7)
> 3. initGRASS(gisBase = 'C:/OSGeo4W64/apps/grass/grass-7.4.0', gisDbase =
> 'C:/Users/RETA/Documents/grassdata', location = 'nc_spm_08_grass7', mapset
> = 'user1', SG='elevation')
>
> and I now get:
> unused argument (gisDbase = 'C:/Users/RETA/Documents/grassdata')
>
> anything else to test/set?
>
> best,
> Vero
>
>
> El dom., 16 sept. 2018 a las 23:15, Helmut Kudrnovsky (<hellik at web.de>)
> escribió:
>
> >OK, thanks for confirming that OSGeo4W remains feasible for rgrass7; I
> don't
> have access. Does usability >include initGRASS()? This would be most
> fragile
> because environment variables are being set, and >condition on Windows and
> OSGeo4W.
>
> R within a GRASS session works quite well so far.
>
> did a fresh svn up of
>
> svn://r-forge.r-project.org/svnroot/spgrass
>
> and quickly screened pkg\rgrass7\R\initGRASS.R:
>
> e.g.
>
>         Sys.setenv(GRASS_PROJSHARE=paste(Sys.getenv("GISBASE"),
>             "\\proj", sep=""))
>
> AFAIK at least the GRASS7.4.x line doesn't use anymore an own copy of the
> PROJSHARE files; instead it uses the PROJ files itself; that's for all
> platforms (linux, MacOS, MS Windows, ...).
>
> e.g. in OSGeo4W 64bit it's defined as:
>
> SET OSGEO4W_ROOT=C:\OSGeo4W64
> set GRASS_PROJSHARE=%OSGEO4W_ROOT%\share\proj
>
> only in the standalone installer, it's still defined as:
>
> set GRASS_PROJSHARE=%GISBASE%\share\proj
>
> because it's bundled in the installer.
>
> e.g.
>
>             Sys.setenv(PATH=paste(Sys.getenv("GISBASE"), "\\extrabin;",
>                 Sys.getenv("PATH"), sep=""))
>
> there is no C:\OSGeo4W64\apps\grass\grass-7.4.1, because all of the
> dependencies etc are living e.g. in
> C:\OSGeo4W64\bin, C:\OSGeo4W64\lib, ...
>
> I'm not sure about this one:
>
> [...]
>         Sys.setenv(GISBASE=gisBase)
>         if (missing(home)) home <- Sys.getenv("USERPROFILE")
> [...]
>         Sys.setenv(GISRC=paste(Sys.getenv("HOME"), "\\.grassrc7", sep=""))
>
> in winGRASS (standalone, OSGeo4W), the rc file lives in
> C:\Users\YourUserName\AppData\Roaming\GRASS7 and not in %USERPROFILE%
>
> and it seems around these lines:
>
> [...]
>         Sys.setenv(GISRC="junk")
>         cat("GISDBASE:", getwd(), "\n", file=Sys.getenv("GISRC"))
>         cat("LOCATION_NAME: <UNKNOWN>", "\n", file=Sys.getenv("GISRC"),
>             append=TRUE)
>         cat("MAPSET: <UNKNOWN>", "\n", file=Sys.getenv("GISRC"),
>             append=TRUE)
>         gisrc <- ifelse (use_g.dirseps.exe, system(paste("g.dirseps.exe
> -g",
>             shQuote(Sys.getenv("GISRC"))), intern=TRUE),
>             Sys.getenv("GISRC"))
> [...]
>
> initGRASS gets in trouble in OSGeo4W.
>
>
>
> -----
> best regards
> Helmut
> --
> Sent from: http://osgeo-org.1560.x6.nabble.com/Grass-Stats-f4049448.html
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>
>
>
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