Hi,

I am interested in using the GRASS/R interface spgrass6 and recently executed 
the code given in the book "Open Source GIS - A Grass GIS Approach" for the 
North Carolina dataset. Reading the first vector files (precipitation) works 
perfectly, but when it comes to the first raster layer, I receive the following 
error message:

"Error in deleteDataset(DS): GDAL Error 1: Deleting C:Documents and 
Settings/.../GIS DataBase/North-Carolina/user1/.tmp/elev_state_500m failed:
Permission denied"

I executed the following commands in the GRASS Command Line:

g.region vect=precip_30ynormals res=1000 -ap
R
library(spgrass6)
precip30n <- readVECT6("precip_30ynormals", ignore.stderr=TRUE)
...
elev <- readRAST6("elev_state_500m", ignore.stderr=TRUE)

After the last command, the given error message appears. The same happens when 
I try to apply readRAST6 to personal data. ReadVECT6 again works fine.
I don't think the error is due to the space in the path of the data as the same 
happen when I choose a location with no space.
I guess the same problem appeared already here:

https://stat.ethz.ch/pipermail/r-sig-geo/2011-May/011734.html

But I am neither using large or fancy data (just the given sample data) nor do 
I use initGRASS. I just follow the instructions given in the book. I am using 
GRASS 6.4.1 and R 2.12.2 and also tried R 2.13.2. The software runs under 
Windows XP.

I would appreciate if you could give me your thoughts. Thank you a lot for your 
efforts.

Cheers,

Jan


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