If the layers are digitized by different agencies and dissolving is time consuming for each next higher level, then the automatic snapping of boundaries within tolerance distance, with keeping one layer as correct layer will be a useful feature. Regards
On Tue, Oct 15, 2013 at 7:25 PM, Carlos Cerdán <sig.up...@gmail.com> wrote: > ... or you can disolve your districts to obtain new provinces and leave > the old layer > > Good luck > > Carlos Cerdán > > > 2013/10/15 Lene Fischer <l...@life.ku.dk> > >> Hello Deon >> You can use the function Avoid Intersection while digitizing. >> In this way you avoid overlap - but not gaps. >> Read more about this issue in the usermanual >> >> >> http://qgis.org/en/docs/gentle_gis_introduction/06_topology.html?highlight=snap >> >> http://qgis.org/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html?highlight=snap >> >> Regards >> Lene Fischer >> >> ------------------------------ >> *Fra:* qgis-user-boun...@lists.osgeo.org [ >> qgis-user-boun...@lists.osgeo.org] på vegne af Pretorius Deon - >> Lieutenant Colonel [pretoriusd...@saps.gov.za] >> *Sendt:* 15. oktober 2013 06:55 >> *Til:* 'qgis-user@lists.osgeo.org' >> *Emne:* [Qgis-user] Topological editing of two vector layers >> >> Hi, Iam new to QGIS. I have two boundary vector layers, the one exist >> of polygons of all the provinces and the other of all the districts. The >> district boundaries must be aligned with the provincial boundaries. Since >> there is so much errors that needs alignment and rectification I was >> wondering if there isn’t an easier way as to snap to the boundaries without >> to drag each vertex which is very time consuming. Is there perhaps a way >> where the whole identified segments/vertex of the districts can be aligned >> easier to the provincial boundaries. >> >> >> >> Regards >> >> >> >> Deon Pretorius >> >> >> >> >>
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