[Qgis-user] Sextante - MMQGISX Merge Layers error

[Salvatore Larosa]

Hi,

2012/12/18 Victor Olaya <volayaf at gmail.com>

> Sure, it should work, but it is performing the attribute name
> comparison for every feature, which makes it slow (merging large
> layers took really a lot of time, specially if they have many
> attributes. I took it out to make it faster, but, as i said, it is not
> finished. I hope I can spend some time with this tonight and fix it.
>
>
Wow, you're right, I had never tried it before and I done a test with the
merge tools available:

Dataset: SHP, ~150.000 features

SAGA GIS: 28.4 s
MMQGIS  : 206 s
fTools       : 120 s

SAGA is very faster !

Cheers!



Thanks for your help!
>
>
>
> 2012/12/18 Salvatore Larosa <lrssvtml at gmail.com>:
> > Hi Victor,
> >
> > 2012/12/18 Victor Olaya <volayaf at gmail.com>
> >>
> >> Michal
> >>
> >> I see you are running the latest version that I updated a couple of
> >> days ago. That algorithm had a bug in the previous version, that added
> >> features twice. Also, it was very slow, and I added some improvements,
> >> but did not finish it. I plan to fix that and commit it by the end of
> >> the day. Will tell you when it's ready.
> >>
> >
> > by applying original code [1] it seem works
> > Michal, please could give a try at it ?
> >
> > Regards,
> >
> > -SL
> >
> > [1] - https://github.com/qgis/Quantum-GIS/pull/362
> >
> >
> >>
> >> In the mean time, the SAGA merge works perfectly, in case you have
> >> SAGA installed in your SEXTANTE-QGIS
> >>
> >> Regards
> >>
> >>
> >> 2012/12/18 Michał Bełcik <belcikmichal at gmail.com>:
> >> > Hello everyone
> >> >
> >> > While using the tool, such an error appears:
> >> >
> >> > Traceback (most recent call last):
> >> >
> >> > File
> >> >
> >> >
> "C:\Users\Work\Desktop\Dokumenty\Programs\apps\qgis-dev\python\plugins\sextante\core\GeoAlgorithm.py",
> >> > line 117, in execute
> >> >
> >> > self.processAlgorithm(progress)
> >> >
> >> > File
> >> >
> >> >
> "C:\Users\Work\Desktop\Dokumenty\Programs\apps\qgis-dev\python\plugins\sextante\mmqgisx\MMQGISXAlgorithmProvider.py",
> >> > line 678, in processAlgorithm
> >> >
> >> > message = mmqgisx_merge(qgis, [ layer1, layer2 ], savename, False)
> >> >
> >> > File
> >> >
> >> >
> "C:\Users\Work\Desktop\Dokumenty\Programs\apps\qgis-dev\python\plugins\sextante\mmqgisx\mmqgisx_library.py",
> >> > line 2292, in mmqgisx_merge
> >> >
> >> > dattributes[dindex] = sattributes[idx[dindex]]
> >> >
> >> > KeyError: 6
> >> >
> >> >
> >> > And also an algorithm log:
> >> >
> >> >
> >> >
> >> >
> sextante.runalg("mmqgisx:mergelayers","C:/Users/Work/.qgis//sextante/tempdata\\modelerhabitatselectionanalysis6fea24bf8f354dfc946d1052a0078ace.shp","C:/Users/Work/.qgis//sextante/tempdata\\modelerhabitatselectionanalysisb00a2d4281bb43639e75e3f452eb41d6.shp",None)
> >> >
> >> >
> >> > Does anyone knows about the nature of this problem?
> >> >
> >> >
> >> > Best regards
> >> >
> >> >
> >> > Michal Belcik
> >> >
> >> >
> >> > _______________________________________________
> >> > Qgis-user mailing list
> >> > Qgis-user at lists.osgeo.org
> >> > http://lists.osgeo.org/mailman/listinfo/qgis-user
> >> >
> >> _______________________________________________
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> >> http://lists.osgeo.org/mailman/listinfo/qgis-user
> >
> >
> >
> >
> > --
> > Salvatore Larosa
> > linkedIn: http://linkedin.com/in/larosasalvatore
> > twitter: @lrssvt
> > skype: s.larosa
> > IRC: lrssvt on freenode
> >
>



-- 
Salvatore Larosa
linkedIn: http://linkedin.com/in/larosasalvatore
twitter: @lrssvt
skype: s.larosa
IRC: lrssvt on freenode
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