On Tue, Feb 1, 2011 at 4:43 PM, <[email protected]> wrote: > > Hello Maris, > > thanks a lot for replying. > Yes, I imported an esri shapefile. I'd tried to clean data with v.clean and > with many different grass clean modules, without any success. > Any other idea how to solve this issue? Maybe there is a method to import > esri shapefiles without saving double the boundary? > The imported shapefile should be clean if v.in.ogr was not used with the -c flag, i.e. v.in.ogr did topological cleaning. Duplicate boundaries should not exist when using v.in.ogr with default settings.
Markus M > > -------- Original-Nachricht -------- >> Datum: Thu, 27 Jan 2011 21:35:17 +0200 >> Von: Maris Nartiss <[email protected]> >> An: [email protected] >> CC: [email protected] >> Betreff: Re: [GRASS-user] problem: boundary lines double > >> Hello, >> looks like Your data are coming from non-topological vector storage >> (Shapefile?). Cleanness of data stored in non-topological formats >> (i.e. Shapefile) depend on data creation software abilities to produce >> cliean-look data and not are enforced by data storage, as it is in >> GRASS. >> >> Without seeing more information, my guess would be - You imported >> shapefile with areas into GRASS, still they had slivers and thus >> feature count has increased. Only way out is to clean data with >> v.clean and friends or by hand. >> >> >> Maris. >> >> http://grass.osgeo.org/grass64/manuals/html64_user/v.clean.html >> >> >> 2011/1/27, [email protected] <[email protected]>: >> > Hello, >> > >> > if I import a shape (414 features) with v.in.ogr.qgis I get output with >> 594 >> > features. I had read the problem is, that a boundary line between two >> > polygons get saved double. How can I manage to save as one boundary line >> > between two polygons? >> > >> > Thanks a lot in advance! >> > >> > Steffen >> > -- >> > GMX DSL Doppel-Flat ab 19,99 Euro/mtl.! Jetzt mit >> > gratis Handy-Flat! http://portal.gmx.net/de/go/dsl >> > _______________________________________________ >> > grass-user mailing list >> > [email protected] >> > http://lists.osgeo.org/mailman/listinfo/grass-user >> > > > -- > NEU: FreePhone - kostenlos mobil telefonieren und surfen! > Jetzt informieren: http://www.gmx.net/de/go/freephone > _______________________________________________ > grass-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
