Roger,
It does not for me. The error is solved by deleting files xygcatLO.* ,
while directory xygcatLO may continue to exist.
Also, I've found that with this version the below command does not
save the files within
the folder indicated by dsn, but outside. This was not the case in the
past, but do not know if this is
because of a change in rgdal, gdal or ubuntu 10.04 (I've changed all 3
since the last time I used writeOGR()).
> writeOGR(xygcatLO,dsn="xygcatLO",layer="xygcatLO", driver="ESRI Shapefile")
Error in writeOGR(xygcatLO, dsn = "xygcatLO", layer = "xygcatLO",
driver = "ESRI Shapefile") :
GDAL Error 1: Layer 'xygcatLO' already exists
Calls: writeOGR -> .Call
> sessionInfo()
R version 2.12.0 (2010-10-15)
Platform: x86_64-pc-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C
[3] LC_TIME=en_US.utf8 LC_COLLATE=en_US.utf8
[5] LC_MONETARY=en_US.utf8 LC_MESSAGES=en_US.utf8
[7] LC_PAPER=en_US.utf8 LC_NAME=en_US.utf8
[9] LC_ADDRESS=en_US.utf8 LC_TELEPHONE=en_US.utf8
[11] LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=en_US.utf8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] RANN_2.1.2 outliers_0.13-3 rgdal_0.6-30 raster_1.7-2
[5] sp_0.9-73 rkward_0.5.4
loaded via a namespace (and not attached):
[1] grid_2.12.0 lattice_0.19-13 tools_2.12.0
2010/12/10 Roger Bivand <roger.biv...@nhh.no>:
> On Thu, 9 Dec 2010, Barry Rowlingson wrote:
>
>> On Thu, Dec 9, 2010 at 8:56 AM, Agustin Lobo <alobolis...@gmail.com>
>> wrote:
>>>
>>> Hi!
>>>
>>> Could an option overwrite=T (default overwrite=F) be included in
>>> writeOGR()?
>>> Thanks!
>>
>> Submit a Feature Request here:
>>
>> http://sourceforge.net/tracker/?group_id=84716&atid=573625
>
> No, rgdal is on R-Forge, and a list called rgdal-devel will be available
> from tomorrow.
>
>>
>> It looks like it just needs to be a wrapper around OGR's delete layer
>> function.
>
> Contributions welcome. Note that the facility is present for rasters, which
> I fould out by accidentally deleting GRASS database objects (for which of
> course I did not have backups). Is this really needed - which drivers do not
> already overwrite without complaint? These do not complain for me:
> driver="ESRI Shapefile"; driver="KML"; driver="MapInfo File";
> driver="MapInfo File", dataset_options="FORMAT=MIF".
>
> Hope this helps,
>
> Roger
>
>>
>> Barry
>>
>> _______________________________________________
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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: roger.biv...@nhh.no
>
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