Displaying 4 results from an estimated 4 matches for "statgrass".
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statsgrass
2008 Aug 01
1
bug in readRAST6 function in package spgrass6
Hi
if I try to import a raster layer which consists only of NULL values
from grass by using the readRAST6, I get an error message:
> readRAST6("HSericea_seedsDisperse_2007")
ERROR: Invalid value for null (integers only)
Error in readBinGrid(rtmpfl11, colname = vname[i], proj4string = p4,
integer = to_int) :
no such file:
2007 Jun 13
1
installing GRASS-R packages
Hi,
I tried to install R packages required for the GRASS-R interface by
using the following command (copied from
http://www.geog.uni-hannover.de/grass/statsgrass/grass6_r_install.html):
/install.packages (c("sp", "spgrass6","rgdal","maptools"), dependencies
=TRUE)/
rgdal package was installed successfully;
There were problems to find 'sp' and
2008 Dec 10
2
exporting rast from R to GRASS
Hi, everybody!
i created a imagem by kriging using geoR package. I imported points
from GRASS("zn", after converted to geodata "zn_geo"), the border
"zn_border" and a raster mask. Then i interpolated the points by
kriging and created a raster image. Now, i need export this image back
to GRASS to use it in the module r.mapcalc. I can't do it. I tried use
2007 Jun 06
1
spgrass6 and aggregation (bis)
Dear all,
I have some additionale question concerning the spgrass6 package.
* When you set a region in GRASS, does the readGRASS6 function in R only
load data contained in the zoomed region or the whole map ?
* When you have a MASK map in grass, does the readGRASS6 function in R only
load data contained inside the MASK area ?
Could this be the problem ?
Thanks,
Jessica