I have a line map of buildings in a city. I was able to correctly polygonize the buildings in QGIS with the Polygonize processing algorithm. All the holes/islands became features as expected. Now I need to select and remove all features that are completely surrounded by other (one or more) features. Examples shown in red on the image:
These are not part of buildings, but inner yards. Any help would be much appreciated!
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These are not part of buildings, but inner yards. Any help would be much appreciated!
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