[GRASS-stats] "g.region: command not found" using readRAST6 command

[Daniel McInerney]

Hi Tim,
Is R running within a GRASS session?

Regards,
Daniel.

Tim Holland wrote:
> Hello, 
>
> I'm sorry to keep making so much noise on the list for what I'm sure are
> basic questions.  
>
> I am having trouble loading in a GRASS raster into R using the readRAST6
> command.  
>
> Using: 
>   
>> readRAST6("rasterMap",mapset="/Users/etc/my_mapset")
>>     
>
> I get the following error:
>   
>> Error in if (file.exists(file) == FALSE) if (!missing(asText) && asText == 
>>     
> : 
>   argument is of length zero
>   
>> Error in parseGRASS(cmd) : g.region not parsed
>> sh: g.region: command not found
>>     
>
> Is there something I am doing wrong here?  
>
> Also, when I am working with spgrass6 in general, should I have my working
> directory set to the GRASS DBase I am using, or does that matter?  
>
> Thank you for the help, 
> Tim
>
>
>   
>> sessionInfo()
>>     
> R version 2.9.2 (2009-08-24) 
> i386-apple-darwin8.11.1 
>
> locale:
> en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base     
>
> other attached packages:
> [1] spgrass6_0.6-9 XML_2.6-0      rgdal_0.6-12   sp_0.9-44     
>
> loaded via a namespace (and not attached):
> [1] grid_2.9.2      lattice_0.17-25
>
>
>