How to remove sliver polygons in qgis?
dev via the OSGEO installer, see qgis homepage) is a new function in the vector menu called “Eliminate sliver polygons”, which exactly does what you want. You can select the problematic polygons and merge them to adjacent polygons based on a common boundary or area propotion. Try it out!
How do I delete a selection in Qgis?
Use the select tool (either select by rectangle or select by polygon) to select the features you want to delete….
- Use Edit > Select > Select Features by Polygon .
- Click Layer > Toggle Editing .
- Click Delete Selected from the Editing toolbar.
How to eliminate slivers between polygons in QGIS?
GRASS has v.clean.snap which you can access via QGIS, but there’s the extra step of creating a GRASS dataset. If you’r familiar with QGIS: In the QGIS trunk 1.9 (can be installed as qgis.dev via the OSGEO installer, see qgis homepage) is a new function in the vector menu called “Eliminate sliver polygons”, which exactly does what you want.
How to remove small spaces between polygons in ArcGIS?
Eliminates polygons by merging them with neighboring polygons that have the largest area or the longest shared border. Eliminate is often used to remove small sliver polygons that are the result of overlay operations, such as Intersect or Union. http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00170000005p000000.htm
How can I have the polygons snap together, removing the spaces?
The districts were digitized by hand, and there are small spaces (slivers) between polygons where the polygons should be touching. How can I have the polygons snap together, removing the spaces? Eliminates polygons by merging them with neighboring polygons that have the largest area or the longest shared border.
How do you save a layer in QGIS?
In QGIS, save the layer in GEOJSON format. But before saving, in the “save layer as” dialogue box, set the coordinate precision to 3 (15 is the default). This will have the effect of uniting vertices that are very close to eachother.