Identifying polygons that intersect with another polygon using ArcGIS Desktop?

by Esme_   Last Updated April 16, 2019 07:22 AM

I have two polygon layers, a vegetation layer and a treatment layer. I want to add a field to the attribute layer of the vegetation layer to indicate if any part of the polygon has been treated (overlaps with a treatment layer).

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For the above example - I want an attribute table that ends up looking like

attribute table example

I do not want to intersect the two layers - I need to keep the full polygons in the vegetation layer, I just want to know if they've been treated. There are too many polygons to do this manually.

Answers 1

To do this I would use the Intersect tool which creates a new feature class that includes the feature IDs of both input feature classes.

You can then use a join to isolate any features in either of the input feature classes (which retain their full polygons) to update a flag field to indicate their overlap.

April 16, 2019 07:15 AM

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