[GRASS-stats] initGRASS() never stops running?

[Andrew Plowright]

Hi Roger and Paulo,

Thanks for your replies. Just to be specific, I'm trying to run GRASS from
within RStudio, not the other way around. I noticed that the version of
rgrass7 I was using was built under R v.3.2.3, so I updated that. However,
even when trying to run initGRASS() from RGui, I run into the same problem
(I'm not quite sure how to run things from the command line).

When searching for solutions to this problem, I came across an old thread
from this mailing list that said that initGRASS() was not necessary when
GRASS was running. I launched GRASS, but still, when running loading the
rgrass7 library from Rgui I get the message:

> library(rgrass7)
Loading required package: sp
Loading required package: XML
GRASS GIS interface loaded with GRASS version: (GRASS not running)

I guess R and GRASS are really just not communicating?

Andrew

On Sun, Feb 7, 2016 at 6:25 AM, Roger Bivand <Roger.Bivand at nhh.no> wrote:

> On Sun, 7 Feb 2016, Andrew Plowright wrote:
>
> Hello,
>>
>> I recently subscribed to this mailing list since I was hoping to get a bit
>> of help setting up the rgrass7 package. I do all my GIS work in R, and am
>> very excited by the prospect of using GRASS functions through the R
>> environment. Unfortunately, I haven't gotten very far since I don't seem
>> to
>> be able to use the initGRASS() function correctly! When I run:
>>
>> library(rgrass7)
>> initGRASS("C:\\Program Files\\GRASS GIS 7.0.3", home=tempdir())
>>
>> ... R Studio simply runs forever. It does not give me an error message...
>> it just keeps running until I force close the program. I am using R
>> version
>> 3.2.2, and have installed GRASS version 7.0.3, which is installed in
>> "C:\Program Files\GRASS GIS 7.0.3" folder. GRASS GIS seems to be running
>> perfectly fine on its own.
>>
>
>
> Rstudio is very likely running the system*() commands and the commands
> setting environment variables in ways that interfere in your case. Start by
> using R from the command line, then RGui, then find out how to debug
> running functions in Rstudio and run initGRASS under the debugger to see at
> which step contact gets lost.
>
> I believe that there are reports of success using Rstudio within GRASS (in
> an existing GRASS location, starting Rstudio within GRASS).
>
> Does anyone have any experience? (I do not use Rstudio, so cannot tell -
> under Linux it wants R built in a specific way that I don't want to be
> forced to change to).
>
> Roger
>
>
>> Any help would be greatly appreciated. Thank you!
>>
>> Andrew Plowright
>>
>>
> --
> Roger Bivand
> Department of Economics, Norwegian School of Economics,
> Helleveien 30, N-5045 Bergen, Norway.
> voice: +47 55 95 93 55; fax +47 55 95 91 00
> e-mail: Roger.Bivand at nhh.no
> http://orcid.org/0000-0003-2392-6140
> https://scholar.google.no/citations?user=AWeghB0AAAAJ&hl=en
> http://depsy.org/person/434412
>
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