On Tue, 8 Mar 2011, Rainer M Krug wrote:
2011/3/8 Alexandre Villers <[email protected]>:
Sorry for double posting if it did
-------------------------------------------------------------------
Good afternoon,
While trying to import a GTiff and process it with spgrass6 with the
following:
execGRASS("r.in.gdal", flags=c("o","overwrite"),
parameters=list(input="E:/Boulot/WildlifeTrianglesFinland/Covariates/Rainfall/Rain.year1989.tif",
output="ref", band=1))
or
execGRASS("r.in.gdal", flags=c("o","overwrite"),
parameters=list(input="E:/Boulot/WildlifeTrianglesFinland/Covariates/Rainfall/Rain.year1989.tif",
output="ref", band="1"))
I get
Error in doGRASS(cmd, flags = flags, parameters = parameters) :
Parameter <band> does not have integer value
You specified band="1" , which is a character - try band=1
Right, "1" is a character vector of one element. To disambiguate, band
must be an integer, and 1 will possibly be treated as a numeric, so
band=1L or band=as.integer(1) ought to be used. Looking at the output of
parseGRASS() tells you what type the parameter values should be.
Roger
Disclaimer" I have never used r.in.gdal
Cheers,
Rainer
When I do not specify the band value, the two bands of this GTiff are
imported properly....
Any idea ?
Alex
P.S.:
traceback()
3: stop(paste("Parameter <", names(parameters)[i], "> does not have integer
value",
sep = ""))
2: doGRASS(cmd, flags = flags, parameters = parameters)
1: execGRASS("r.in.gdal", flags = c("o", "overwrite"), parameters =
list(input =
"E:/Boulot/WildlifeTrianglesFinland/Covariates/Rainfall/Rain.year1989.tif",
output = "ref", band = 1))
sessionInfo()
R version 2.12.1 (2010-12-16)
Platform: x86_64-pc-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=English_United Kingdom.1252 LC_CTYPE=English_United
Kingdom.1252 LC_MONETARY=English_United Kingdom.1252
[4] LC_NUMERIC=C LC_TIME=English_United
Kingdom.1252
attached base packages:
[1] grDevices datasets splines graphics stats tcltk utils
methods base
other attached packages:
[1] spgrass6_0.6-23 XML_3.2-0.2 rgdal_0.6-33 sp_0.9-78
svSocket_0.9-51 TinnR_1.0.3 R2HTML_2.2 Hmisc_3.8-3
[9] survival_2.36-2
loaded via a namespace (and not attached):
[1] cluster_1.13.3 grid_2.12.1 lattice_0.19-13 svMisc_0.9-61
tools_2.12.1
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--
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: [email protected]
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