I want to cut a line shape into parts by polygon areas. No problem so far. But the polygons overlaps each other at the border. I need one line result for the whole area of every polygon. Any ideas for an automatic solution? Gdal ogr can't do it because of self intersecting polygons.

1 Answer 1


My solution is a GRASS GIS v.select iteration. So I get full line-shapes for each polygon, without getting self-intersection problems.

  • How exactly this should work? I have lines which intersects/crosses polygons and whatever I do - intersects, overlay etc. I never get lines clipped to polygons. And with basic clip under Vector menu I get only one line for all touching/overlapping polygons.
    – Miro
    May 3, 2016 at 1:12

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