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Summing equal geometries with identical columns in QGIS

Virtual layers are a good way to solve your problem. In this example a layer layer1 and a layer layer2 share attributes lanes of type integer and surface of type character. For calculating the sum of ...
Bernd Loigge's user avatar
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Finding overlapping line geometries (including subsets) in QGIS

This worked for me: Use the 'Select by location'-Tool with 'overlap', and compare the layer with itself. It will select all overlapping features in the relevant layer. I'm not completely sure how well ...
i.i.k.'s user avatar
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Finding overlapping line geometries (including subsets) in QGIS

I'm a bit surprised how tricky this appears to be. Like you say, it's straightforward enough to find duplicates, but subsets of lines not so much. Anyway, here's a way of adding a visual indication of ...
SirLostalot's user avatar

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