I have a layer with lots of features. Every feature has the
data attribute. I could select some features by
Select by location based on other layer(s) or just by free hand (yellow points as example).
The task is to select all other features with the same
I am working in QGIS 2.18.10
I am seeing the solution by creating a new layer, than looping for the features for selecting ones with the same value in the raw layer. However, I need to process large datasets, so this solution looks unefficient.