[STATSGRASS] problems assesing mapsets

[Marta Benito]

> Thank you Roger, yes, I am using GRASS 5.7 , and 
> now it works:
> 
> 
> > G <- gmeta(interp=TRUE)
> > str(G)
> > library(GRASS)
> GRASS environment variables in: /tmp/grass6-marta-8901/gisrc
> > G <- gmeta(interp=TRUE)
> > str(G)
> List of 17
>  $ LOCATION: chr "espanya_modelo_devel"
>  $ MAPSET  : chr "mapset1"
>  $ proj    : chr "projection: 1 (UTM); zone:       30; datum:     
> eur50; ellipsoid:  int
> ernational"
>  $ n       : num 4986657
>  $ s       : num 3785668
>  $ w       : num -176002
>  $ e       : num 1259983
>  $ nsres   : num 1000
>  $ ewres   : num 1000
>  $ Nrow    : num 1293
>  $ Ncol    : num 1546
>  $ Ncells  : num 2e+06
>  $ xlim    : num [1:2] -176002 1259983
>  $ ylim    : num [1:2] 3785668 4986657
>  $ xseq    : num [1:1546] -175537 -174608 -173680 -172751 -171822 ...
>  $ yseq    : num [1:1293] 3786132 3787061 3787990 3788919 3789848 ...
>  $ ryseq   : num [1:1293] 4986193 4985264 4984335 4983406 4982477 ...
>  - attr(*, "class")= chr "grassmeta"
> 
> but: 
> 
> >x <- rast.get(G, rlist="mapa")
> >Error in rast.get(G, rlist = "mapa") : region for current mapset ??
> run "g.region"
> 
> so, I have tried the same:
> 
> x <- rast.get(G, rlist="mapa", interp=T)
> 
> 
> and now everything works, thanks a lot
> 
> Marta

El jue, 13-01-2005 a las 12:15, Roger Bivand escribió:
> On 13 Jan 2005, Marta Benito wrote:
> 
> > Hi, 
> > I am having problems using the GRASS library in R. 
> > I think I am doing something wrong when using gmeta but I don't know
> > exactly, the problem began when I've done update of packages in R and
> > GRASS. 
> > 
> > GRASS 5.7.cvs:~/grassdata/espanya_modelo_devel > R
> > > library(GRASS)
> > GRASS environment variables in: /tmp/grass6-marta-8901/gisrc
> >  G<-gmeta()
> > Error in gmeta() : region for current mapset MAPSET
> > run "g.region"
> 
> You seem to be using GRASS 5.7 or 6.0beta1, is that correct?
> 
> Please try G <- gmeta(interp=TRUE), and post the result (str(G)) - this 
> may be a WIND3 WINDOW not being recognised by the 5.0 version of the GRASS 
> function used when run with interp=FALSE. 
> 
> Roger
> 
> > 
> > I have already run g.region in GRASS, and also after the error. 
> > Thank you in advance 
> > 
> > Marta
> > 
> > 
> > _______________________________________________
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> > statsgrass at grass.itc.it
> > http://grass.itc.it/mailman/listinfo/statsgrass
> > 
> 
> -- 
> Roger Bivand
> Economic Geography Section, Department of Economics, Norwegian School of
> Economics and Business Administration, Breiviksveien 40, N-5045 Bergen,
> Norway. voice: +47 55 95 93 55; fax +47 55 95 93 93
> e-mail: Roger.Bivand at nhh.no
> 
> 
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