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I have a points shapefile with a blank field. I want to populate this field with an attribute obtained from another underlying (polygon) shapefile. I can do this for a single record easily using select by location - in other words point y is located in area x, so the field updates itself with area x. The problem is that my shapefile has nearly half a million records and I need to do this often. I have no scripting experience at all.

Is there a simple batch method that will do this job?

5

The Intersect (Analysis) tool should be able to do the point-in-polygon overlay that you are after quite quickly.

I would recommend having both shapefiles on your local disk (or copying them into an in_memory workspace) for best performance.

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