[R-sig-Geo] caught segfault?!

Roger Bivand Roger.Bivand at nhh.no
Mon Apr 12 18:48:01 CEST 2010


On Mon, 12 Apr 2010, joel dinis wrote:

> Hello Roger,
>
> I did what you sugest, i.e.:
>
> area <- readVECT6("area1", plugin=FALSE)
>
> and it works just fine!

So something is broken in your GRASS/GDAL installation. If you determine 
what it is (report platform, OS, and how GDAL and GRASS were installed), 
please post on statgrass, where GRASS developers are also helpers.

Roger

>
> Thanks a lot
> JD
>
> On Mon, Apr 12, 2010 at 5:26 PM, Roger Bivand <Roger.Bivand at nhh.no> wrote:
>
>> On Mon, 12 Apr 2010, joel dinis wrote:
>>
>>  Hello to all,
>>>
>>> I'm currently using R-GRASS GIS
>>> interface and I get an error when I'm trying
>>> to read a vector through readVECT6:
>>>
>>>  area <- readVECT6("area1")
>>>>
>>>
>>> *** caught segfault ***
>>> address (nil), cause 'memory not mapped'
>>>
>>
>> Which platform are you using?
>>
>> Can you do v.out.ogr on area1, and try to recreate the error reading
>> directly reading with readOGR?
>>
>> Do you have the GRASS GDAL plugin installed (I believe that you do as the
>> traceback (thanks for including it!) has layer="1"), and if so does running:
>>
>> area <- readVECT6("area1", plugin=FALSE)
>>
>> make a difference? If it makes a difference, there is a problem with the
>> GRASS GDAL plugin. Please report back on this list, or the lower-volume
>> statgrass list.
>>
>> Hope this helps,
>>
>> Roger
>>
>>
>>> Traceback:
>>> 1: .Call("ogrInfo", as.character(dsn), as.character(layer), PACKAGE =
>>> "rgdal")
>>> 2: ogrInfo(dsn = dsn, layer = layer, input_field_name_encoding =
>>> input_field_name_encoding)
>>> 3: readOGR(dsn, layer = "1", verbose = !ignore.stderr, pointDropZ =
>>> pointDropZ)
>>> 4: readVECT6("area1")
>>>
>>> Possible actions:
>>> 1: abort (with core dump, if enabled)
>>> 2: normal R exit
>>> 3: exit R without saving workspace
>>> 4: exit R saving workspace
>>> Selection: 1
>>> aborting ...
>>>
>>> Can anyone tell me why this happen,
>>> and how can I solve this?
>>>
>>> Thanks
>>> JD
>>>
>>>        [[alternative HTML version deleted]]
>>>
>>> _______________________________________________
>>> R-sig-Geo mailing list
>>> R-sig-Geo at stat.math.ethz.ch
>>> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
>>>
>>>
>> --
>> 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.Bivand at nhh.no
>>
>>
>

-- 
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.Bivand at nhh.no



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