[gdal-dev] Re: [GRASS-dev] Error with r.to.vect- Solved?

António Rocha antonio.rocha at deimos.com.pt
Tue Mar 29 05:58:36 EDT 2011


Hello Markus
Thanks.
Just one final question: Is there a way to know which is the limit for 
vector? My idea is to check if raster, to be converted, is too big to be 
converted before I try to convert?
THanks


Markus Neteler wrote:
> Hi António
> (cc Martin)
>
> you can get winGRASS 7 here:
> http://wingrass.fsv.cvut.cz/grass70/
>
> but I dunno if LFS is enabled in that built. Maybe Martin
> can tell us.
>
> cheers
> Markus
>
> 2011/3/29 António Rocha <antonio.rocha at deimos.com.pt>:
>   
>> Hi Markus
>>
>> The problem is that I'm running in Windows and in GRASS6.4.0stable release.
>> So, there is no solution for Windows?
>> Thanks
>> Antonio
>>
>> Markus Neteler wrote:
>>     
>>> 2011/3/29 António Rocha <antonio.rocha at deimos.com.pt>:
>>>
>>>       
>>>> Hello Markus
>>>> Unfortunely, I get this error when I run other datasets. In this case, a
>>>> landCover with all CELLS and spatial resolution of 30. The problem is
>>>> that
>>>> North carolina sample is too small.
>>>> r.to.vect -v input=FULL at PERMANENT output=FULL feature=area
>>>> I get this:
>>>> Default driver / database set to:
>>>> driver: dbf
>>>> database: $GISDBASE/$LOCATION_NAME/$MAPSET/dbf/
>>>> Extracting areas...
>>>> Building topology for vector map <PT_National_2000_FULL>...
>>>> R4243000ERROR: G_realloc: unable to allocate 16976004 bytes at
>>>> struct_alloc.c:133
>>>>
>>>>         
>>> You mean that it is too big :)
>>> The file in question is lib/vector/diglib/struct_alloc.c
>>>
>>> Please try GRASS 7 instead of GRASS 6 which offers large file support
>>> for vector data (to some extent).
>>>
>>> You need to configure it with this options
>>>  --enable-largefile      enable support for large files (LFS)
>>>
>>> and compile it. Or use the weekly Linux binary snapshot which
>>> has LFS enabled.
>>>
>>> Markus
>>>
>>>
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