-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Il 30/04/2013 13:10, SBL ha scritto:
> I was wondering: When I run v.clean on a QGIS vector layer through Sextante, > a temporary GRASS location is created, the GRASS topology for the QIS-layer > is build, v.clean applied and the result exported to shape, am I right? Yes. > That is in general really very useful. Especially because (Q)GIS-beginners > do not have to aquaint themselfs also with GRASS in order to make use of > it`s topology model! Thanks. > Since GRASS applies som cleaning, at least when importing Polygons, is there > a possibility to adjust the cleaning procedure from v.in.ogr there? Not advisable: the user must know if it is going to snap or remove small areas. > Building the topology and cleaning can be quite time consuming. Is it > possible to run more than one cleaning algorithm on one non-GRASS-input at > once, like snapping, breaking boundaries, removing dangles and > duplicates...? For this one should prepare a script, chaining several grass commands; then it's easy to add the script to sextante. All the best. - -- Paolo Cavallini - Faunalia www.faunalia.eu Full contact details at www.faunalia.eu/pc Nuovi corsi QGIS e PostGIS: http://www.faunalia.it/calendario -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlF/qFYACgkQ/NedwLUzIr60DgCfSspuuA5LtUWMdvy/27hRrsN+ RcUAnjV3CicMltdyaeLaltEYfDCGgKIk =Ky88 -----END PGP SIGNATURE----- _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user