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I have a couple of points and have made a buffer layer of 1km around each point, which contain information about which point it represents. I have another raster layer (containing information regarding land use) that I converted into polygons and selected the ones that were within the 1km buffer. What I want to do now is to add which buffers cover which polygons. The problem occurs when one polygon is within multiple buffers, like the example I have marked in the picture (polygon with red edges). I have tried using the tools Union and NNJoin, but I only get one buffer per polygon. Does anyone know how to solve this? enter image description here

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  • Look at the Overlap Analysis tool.
    – John
    Jul 6, 2023 at 9:47

2 Answers 2

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You can use the field calculator for this together with the overlay functions. The expression would be something like this one:

array_to_string( overlay_intersects('buffer_layer', "fieldname_to_collect"),', ')

enter image description here

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Try using the tool Intersection. This should select all the buffers which intersect with the landuse-polygons.

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