2.2.6. Central lines of polygons
This instrument creates centerlines for polygons. It is helpful for transforming roads or rivers digitized as polygons into lines.
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Pic. 2.3. 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 tool: https://toolbox.nextgis.com/t/centerline
Try it out using our sample:
Download input dataset to test the instrument. Step-by-step instructions included.
Get the output to additionally check the results.