I have shapefile with few polygons. Some of them are self-intersecting. In ArcMap I can use "Repair geometry" tool, and it works well. But problem is, that for that task some users need to use open source or free tools.
I found tutorial on link here how to do that, but it is too hard to do it without explaining how it works.
Is there any other fast, one-click process for repairing geometry, like in ArcGIS software?