3.2.4. Central lines of polygons

This instrument creates centerlines for polygons. It is helpful for transforming roads or rivers digitized as polygons into lines.

Pic. 3.5. Input polygon layer and resulting line layer

Inputs:

• Polygon vector layer in a GDAL-supported format, e.g. GeoPackage, GeoJSON, MapInfo TAB, ESRI Shapefile (the latter two should be in ZIP archive).

Outputs:

• Line vector layer in GeoPackage.

Launch the tool: https://toolbox.nextgis.com/t/centerline

Try the tool in action

1. Click on the Demo button above the tool form. The fields are filled in with demo values.

2. Click on the Run button.

Related tools

• Calculate max distance between polygon nodes

• Point inside polygon coordinates