[Qgis-developer] Python scrpt to join attributes from DBF -
ftools is very slow
Maurício de Paulo
mauricio.dev at gmail.com
Sun Jan 16 04:11:55 EST 2011
Again, I've never really tried, but from gdal/ogr documentation it seems
possible to do this through ogr2ogr using ogr sql's join.
All the best,
Mauricio de Paulo
2011/1/16 Noli Sicad <nsicad at gmail.com>
> Yes, I tried MMQGIS. It did not work. It read the column names but
> not the data.
> Ftools is more robust than mmqgis, I think. It is just slow.
> I understand Ftools is in the process of being ported to C++ plugins.
> On 1/16/11, Maurício de Paulo <mauricio.dev at gmail.com> wrote:
> > I think I've seen a plugin called mm something that had a join tool in
> > repository.
> > On Sun, Jan 16, 2011 at 12:36 AM, Noli Sicad <nsicad at gmail.com> wrote:
> >> Hi,
> >> I am trying to join attributes from DBF file to shapefile and I find
> >> flools very slow to do this job.
> >> Here is the facts
> >> 1. DBF file is 44.8 Mb to be joined to shapefile
> >> 2. flools is working but only creating 2 Mb per 30 minutes on dbf file.
> >> 3. Qgis freezed by flools is still working.
> >> At this rate, it will take me 22 hrs to get the final result.
> >> Any python script or any script, solution to speed this job?
> >> Do you think doing this job using spatialite will speed up completion
> >> of this job?
> >> Thanks.
> >> Noli
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> > --
> > Mauricio de Paulo
> > Engenheiro Cartografo
> > MapeandoOBrasil <http://mapeandoobrasil.blogspot.com>
Mauricio de Paulo
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