Hi Horst, Paolo, Stephan

In an ideal situation, the GRASS vector provider would hide the details of the 
topological data model and change requests like addFeatures, deleteFeatures, 
changeGeometryValues etc. from QGIS to grass specific editing calls. Of 
course this is not a trivial task. And some concepts (like centroids), which 
do not exist in QGIS at all could made provider dependent (buttons 
deactivated for providers not supporting it). But in my opinion, the benefits 
of having a unified GUI for digitising would be enormous and therefore worth 
the effort. And the GRASS users would automatically have the benefits of 
rollback changes with the start editing/stop editing buttons.

cheers,
Marco





 
Am Donnerstag, 8. Februar 2007 10:58 schrieb Stephan Holl:
> Hello Düster,
>
> Düster Horst <[EMAIL PROTECTED]>, [20070208 - 10:03:05]
>
> > What I need is a editing tool to edit PostGIS Layer. I think editing
> > with the GRASS plugin is a good option, but we should unify the
> > editing tools for the future for all possible QGIS vector layers.
>
> Yes, definetly. I realy like a general editing tool inside QGIS for all
> types of vector layers. But at least the GRASS-part is somewhat
> different from the simple feature stuff OGR implements, its topological
> (and this is good!:-)
>
> Anyway, and steps for consolidating the editing parts are highly
> appreciated (and I volunteer for testing!).
>
> Best
>       Stephan
>
> > -----Ursprüngliche Nachricht-----
> > Von: Paolo Cavallini [mailto:[EMAIL PROTECTED]
> > Gesendet am: Donnerstag, 8. Februar 2007 08:55
> > An: Stephan Holl
> > Cc: QGIS User; QGIS-dev
> > Betreff: Re: [Qgis-user] New Poll
> >
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > It's not my plan; Markus can let us know more about the future of
> > GRASS development. From my side, I can tell working independently on
> > different tools for digitizing could only slow down the overall
> > development pace, and give the user too many different (ie confusing)
> > alternatives. Thus ideally, the progresses made for GRASS digitizing
> > upstream should be incorporated as much as possible in a unified qgis
> > digitizing tool (dreaming?).
> > pc
> >
> > Stephan Holl ha scritto:
> > > Hello Paolo,
> > >
> > > Paolo Cavallini <[EMAIL PROTECTED]>, [20070208 - 08:44:43]
> > >
> > >> Please consider however that the presently most advanced editing
> > >> tool for qgis (ie through GRASS plugin) will be heavily modified
> > >> upstream in the near future. It would be good, in my view, not
> > >> duplicating efforts, and joining our (limited) forces as much as
> > >> possible.
> > >
> > > Could you elaborate on this a bit? This sounds promissing. What are
> >
> > you
> >
> > > planning in the near future?
> > >
> > > Thanks
> > >
> > >     Stephan
> >
> > - --
> > Paolo Cavallini
> > email+jabber: [EMAIL PROTECTED]
> > www.faunalia.it
> > Piazza Garibaldi 5 - 56025 Pontedera (PI), Italy   Tel:
> > (+39)348-3801953 -----BEGIN PGP SIGNATURE-----
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> > =hCj8
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