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Count Polygon Overlap

Count Polygon Overlap is a QGIS model to count the number of polygons overlapping each area. This model can be run on any polygon layer that has a field containing unique IDs.

The test dataset a polygon layer that contains four circular areas and an "fid" field containing unique ids.

After running the model (and applying some styles and labels) the result looks like this:

model result

To use the model, first right-click count-polygon-overlap.model3 and "Save link as..." to your computer. (It's the only file in this repo that you'll need.)

There a couple of different ways to run the model in QGIS. Here's one:

  1. Processing menu > Graphical Modeler...
  2. Open Model (and select the .model3 file you downloaded)
  3. Click the "run" button (green triangle) in the toolbar