[GRASS-stats] Using GRASS addons in R on Windows

[Roger Bivand]

On Tue, 12 Jan 2016, Helmut Kudrnovsky wrote:

>>> xml1.R
>>
>> Typo in:
>>
>>         if (get("SYS", envir=.GRASS_CACHE) == "WinNat" && nchar(WN_bat)) {
>>
>> should be
>>
>>         if (get("SYS", envir=.GRASS_CACHE) == "WinNat"
>>            && nchar(WN_bat) == 0) {
>>
>> With this r.roughness.vector is found correctly with the *.bat extension,
>> for me anyway. The fresh Windows binary package from Winbuilder is here:
>>
>> http://win-builder.r-project.org/bEws3GQ47oph/rgrass7_0.1-4.zip
>
> -----------------------------------
>> utils:::menuInstallLocal()
> Paket ‘rgrass7’ erfolgreich ausgepackt und MD5 Summen abgeglichen
>
>> library(rgrass7)
> Loading required package: sp
> Loading required package: XML
> GRASS GIS interface loaded with GRASS version: GRASS 7.1.svn (2016)
> and location: nc_spm_08_grass7
> -----------------------------------
>> execGRASS("r.slope.aspect", elevation="elevation", slope="myslope",
>> aspect="$
> 100%
> Aspect raster map <myaspect> complete
> Slope raster map <myslope> complete
>
>> execGRASS("r.roughness.vector", elevation="elevation", slope="myslope",
>> aspe$
> ----
> Check if input files exist ...
> ----
> Define default output names when not defined by user ...
> ----
> Calculate compass aspect values ...
> 100%
> ----
> Calculate colatitude ...
> 100%
> ----
> Calculate direction cosines ...
> 100%
> 100%
> 100%
> ----
> Calculate sum of direction cosines ...
> Calculating sum of X direction cosines ...
> 100%
> Calculating sum of Y direction cosines ...
> 100%
> Calculating sum of Z direction cosines ...
> 100%
> ----
> Calculate vector strength ...
> 100%
> ----
> Calculate inverted Fisher's K parameter ...
> 100%
> ----
> Result maps:
> vectorstrength
> elevation_fisher_1K_3x3
> Calculations done.
> ----
>>
> -----------------------------------
>> execGRASS("r.reclass.area", input="zipcodes",
>> output="zipcode_larger2000ha",$
> Generating a clumped raster file ...
> Pass 1 of 2...
> 100%
> Generating renumbering scheme...
> 100%
> Pass 2 of 2...
> 100%
> r.clump complete. 16 clumps.
> Generating a reclass map with area size greater than or equal to
> 2000.000000 hectares...
> 100%
> 100%
> Generating output raster map <zipcode_larger2000ha>...
> -----------------------------------
>
> confirmed, it works now. 
>
> great, thanks!
>

OK, thanks, as I've also made progress on the other problem (using 
temporary SQLite files for vector transfer under Windows), I've submitted 
to CRAN. Anyone who installed the 0.1-4 versions for testing will need to 
install the CRAN version when/if it appears.

Roger

>
>
>
>
> -----
> best regards
> Helmut
> --
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-- 
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