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I have a polygon layer where the Topology Checker detects hundreds of overlaps and tiny gaps. So I want to use the v.clean tool to clean the topology. For cleaning, I selected the tools bpol, rmarea and rmdupl as recommended in How to Clean Topology Error in QGIS .

But what I have to select as input feature type? There's no option for polygon.

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  • I typically use the line, boundary and area for my input features, and break, snap, bpol and rmarea for my tools, for a general clean.
    – John
    Commented Apr 12, 2021 at 18:02

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v.clean should decide automatically based on the input type, but if you want to specify the input option, you should use area for polygon vectors.

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