How to improve drawn shapes in Quantum-GIS?

Question

I have a polygon-shape in qgis-1.7.0 and want to fix overlays and gaps between the edges of adjacent polygons. See image below.

enter image description here

Is there any automated way to do this in quantum-gis? Or any other F/OSS that can do things like that?

Any hints appreciated! Thanks!

score 5 · Accepted Answer · edited Dec 28 '12 at 14:42

5

check out this video Vector topology cleaning with QGIS and GRASS.it uses GRASS Toolbox v.clean which @artwork21 has mentioned.

This video shows how to resolve a few common vector topology problems using GRASS tools of the category "v.clean" through the Quantum GIS interface.

i hope it helps you...

edited Dec 28 '12 at 14:42

artwork21

answered Dec 28 '12 at 13:56

urcm

score 3 · Answer 2 · answered Dec 28 '12 at 12:35

3

Import your vectors into GRASS (GRASS should be included in QGIS install) and use the v.clean module. That should clean your topology errors.

answered Dec 28 '12 at 12:35

artwork21

score 1 · Answer 3 · edited Apr 13 '17 at 12:34

1

edited Apr 13 '17 at 12:34

Community

answered Dec 28 '12 at 15:18

spatialhast

3 Answers3