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I applied the Vector>Geoverarbeitungswerkzeuge>Auflösen (Dissolve) on a zoning plan (see picture zoning plan). I used the attribute village name as the dissolving criteria. The resulting geometry for the village (yellow colored) is sprinkled with small polygons or also larger polygons are not dissolved (see picture sprinkled geometry). In the attribute table the information is in one row.

Are there any approaches to obviate this? Changing any settings? I am using QGIS 1.7.2-Wroclaw.

zoning plan

sprinkled geometry

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Well, what does the attribute table say after selection of those slivers? Most likely they have another attribute than the village name. Maybe another partial dissolve, the "Eliminate sliver polygons"-tool or manual selection and deletion will get rid of these. –  Curlew Jan 19 '13 at 11:39
    
Looks like topological problems to me... –  markusN Jan 21 '13 at 22:36
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