Hi Erica, Looks like you have a multipart-multilines vector file.
On your PrimaryRd.shp you could use Vectors -> Geometry Tools -> Multipart to singleparts to create individual lines for each of your road sections. And then used the resulting shapefile to onlt select the roads you want. Hope this helps, Benoit > -----Original Message----- > From: [email protected] > [mailto:[email protected]]on Behalf Of Erica > Donnelly-Swift > Sent: Monday, 20 September 2010 12:35 > To: [email protected] > Subject: [Qgis-user] Toggle editing question > > > Hi all, > > > I'm working on a road network vector file, however I have encountered > a small issue, and I would be very grateful if you could please offer > some advice, thanks > > Q: How can I get QGIS to delete specific sections of road? (And not > delete the whole primary road network) > > I worked with this road vector map a few months ago and managed to > select a specific route using toggle editing....I'm unsure why there > seems to be a problem this time..... > > > I have outlined the steps below > (I'm working on MAC OSX 10.5.8, QGIS version 1.4.0 Enceladus) > > 1) I have uploaded the roads.shp through QGIS (roads.shp is a file > for a road network) > > 2) I went into the attributes table and selected the Primary roads > > Attribute table contents: > ID RoadType Length > 0 Motorway XXXX > 1 Primary XXXX > 2 Secondary XXXX > 3 Regional XXXX > > > 3) I saved the selected primary roads as a PrimaryRd.shp file > > 4) I loaded this PrimaryRd.shp file into QGIS > > 5) I selected toggle editing mode, but when I select features - all > roads are highlighted and when I delete.... it deletes all the roads > > > I think it may possibly be related to the attributes table, but I'm > unsure how to expand this table > > > > > > > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
