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.
Roger
Fra: Helmut Kudrnovsky
Sendt: søndag 16. september, 16.37
Emne: Re: [GRASS-stats] Error when starting grass from R (grassinstalledthru
osgeo4w)
Til: grass-stats@lists.osgeo.org
Roger Bivand wrote > Note that rgrass7 has not been tested on OSGeo4W for many
years, so the > logic differences from Windows may no longer hold. Using Live
has often > been a better choice, but as I never use QGIS, I've no experience.
Reports > on issues with OSGei4W welcome. > > Roger > > Roger Bivand >
Norwegian School of Economics > Bergen, Norway > > > > Fra: Helmut Kudrnovsky >
Sendt: søndag 16. september, 16.26 > Emne: Re: [GRASS-stats] Error when
starting grass from R (grass > installedthru osgeo4w) > Til: >
grass-stats@.osgeo > > > Veronica Andreo wrote > Hello, > > I am preparing a
one week GRASS GIS > course and I mostly expect Windows > users, so I recommend
to install from > OSGeo4W that allows to easily > install > also QGIS, msys (to
get nice > bash tricks) and other libraries that are > then > needed for some
grass > add-ons. > > The last day of the course, I'll show the connection with
R. > Now, starting > R within a grass session works as expected. But I get >
errors when trying > to > initialize GRASS (installed from OSGeo4W) from R >
console. I am following > the instructions in the wiki [0] > > First, I > had
to change the slashes from windows type, to linux type > (because I > got: >
Error: '\O' in an unrecognized escape in character string ""C:\O"). > > > After
that, I get the following: > >> 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') > Error in if (!compatible) { : argumento > tiene
longitud cero > Además: Warning messages: > 1: In > system(paste("g.dirseps.exe
-g", shQuote(Sys.getenv("GISRC"))), : > > comando ejecutado 'g.dirseps.exe -g
"junk"' tiene estatus 309 > 2: In > system(paste("g.dirseps.exe -g",
shQuote(gisDbase)), intern = TRUE) > : > > comando ejecutado 'g.dirseps.exe -g
"C:/Users/RETA/Documents/grassdata"' > > tiene estatus 309 > 3: In
dir.create(loc_path) : > cannot create dir > 'NA\nc_spm_08_grass7', reason 'No
such file or > directory' > 4: In > dir.create(paste(loc_path, "PERMANENT", sep
= "/")) : > cannot create dir > 'NA\nc_spm_08_grass7\PERMANENT', reason 'No
such file or > directory' > 5: > In dir.create(paste(loc_path, mapset, sep =
"/")) : > cannot create dir > 'NA\nc_spm_08_grass7\user1', reason 'No such file
or > directory' > 6: In > system(paste("g.version", get("addEXE", envir =
.GRASS_CACHE), : > comando > ejecutado 'g.version.exe' tiene estatus 309 > >
Any hints? I also attach a > screenshot with the message that appears (I >
cannot copy/paste the text > in that message) > > Thanks much in advance! >
Vero > > [0] >
https://grasswiki.osgeo.org/wiki/R_statistics/rgrass7#GRASS_within_R > > >
_______________________________________________ > grass-stats mailing list > >
grass-stats@.osgeo > > https://lists.osgeo.org/mailman/listinfo/grass-stats > >
> Rgui_2018-09-13_22-19-45.png (73K) > >
<http://osgeo-org.1560.x6.nabble.com/attachment/5378245/0/Rgui_2018-09-13_22-19-45.png>
> it's a missing dll. Are you invoking R from inside the OSGeo4W command >
console? ----- best regards Helmut -- Sent from: >
http://osgeo-org.1560.x6.nabble.com/Grass-Stats-f4049448.html >
_______________________________________________ grass-stats mailing list >
grass-stats@.osgeo > https://lists.osgeo.org/mailman/listinfo/grass-stats > > >
_______________________________________________ > grass-stats mailing list >
grass-stats@.osgeo > https://lists.osgeo.org/mailman/listinfo/grass-stats
Working for years now winGRASS-R only in OSGeo4w, I would call it well tested.
----- best regards Helmut -- Sent from:
http://osgeo-org.1560.x6.nabble.com/Grass-Stats-f4049448.html
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