Dear all,I'm trying to use the GRASS function "r.mapcalc" using R package "spgrass6", but I've got some trouble with it, I'm not even able to parse this function:
> library(rgdal)
Le chargement a nécessité le package : sp
Geospatial Data Abstraction Library extensions to R successfully loaded
Loaded GDAL runtime: GDAL 1.7.1, released 2010/02/08
Path to GDAL shared files: C:/PROGRA~1/R/R-211~1.1/library/rgdal/gdal
Loaded PROJ.4 runtime: Rel. 4.7.1, 23 September 2009
Path to PROJ.4 shared files: C:/PROGRA~1/R/R-211~1.1/library/rgdal/proj
> library(spgrass6)
Le chargement a nécessité le package : XML
GRASS GIS interface loaded with GRASS version: (GRASS not running)
> parseGRASS("r.mapcalc")
Error : syntax error, unexpected '-', expecting NAME or STRING
Parse error does not seem to be XML, nor to identify a file name
Erreur dans parseGRASS("r.mapcalc") : r.mapcalc not parsed
I tried to change the XML encoding by
> setXMLencoding("latin1")
without success.
For example,
> parseGRASS("g.region")
is correctly running, I've got the description of the function.
Otherwise, my calculus with "r.mapcalc" within GRASS 6.4.0 is correctly
running.
> sessionInfo() R version 2.11.1 (2010-05-31) i386-pc-mingw32 locale:[1] LC_COLLATE=French_France.1252 LC_CTYPE=French_France.1252 LC_MONETARY=French_France.1252 [4] LC_NUMERIC=C LC_TIME=French_France.1252
attached base packages:[1] stats graphics grDevices utils datasets methods base
other attached packages:[1] spgrass6_0.6-16 XML_3.1-0 rgdal_0.6-27 sp_0.9-65
loaded via a namespace (and not attached):[1] grid_2.11.1 lattice_0.18-8 tools_2.11.1
> get("SYS", envir = .GRASS_CACHE)
[1] "WinNat"
Am I missing something? Any idea?
Thank you very much for your help and patience.
David
--
***************************************************
David PINAUD
Ingénieur de Recherche "Analyses spatiales"
Centre d'Etudes Biologiques de Chizé - CNRS UPR1934
79360 Villiers-en-Bois, France
poste 485
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