I'm working on a project involving wind turbines. I'm using ArcMap 10.2 and ModelBuilder to count the number of wind turbines within a 5km buffer zone of a given project (let's call it Project A), and then remove the turbines associated with Project A so I just have the "foreign" turbines within the buffer (e.g., those not associated with the project which establishes the median center of the buffer).

The image below shows a simple example involving just two projects, but I've got 58 different projects I need to analyze, some of which overlap with multiple wind farms which is why I am attempting to use ModelBuilder to automate the process.

The script does what I need when I step through the components individually (see figure below), but when I run the last process, it just returns an empty result.

I'm pasting the manual steps I'm trying to replicate in ModelBuilder below. I have a feeling I'm overlooking something obvious, but despite a lot of tweaking I can't figure it out.

  1. Select by Location:

    • Selection method: Select features from
    • Target layer: ALL WIND TURBINES
    • Source layer: PROJECT A (projects saved as separate layers)
    • Spatial selection method "are within a distance of the source feature" 5,000 meters
  2. Select by Attributes

    • Method: Remove from current selection
    • Where site_name = ‘PROJECT A’
    • Count using attribute table
  3. Add value of "foreign" turbines to project shapefile

    • Start Editor and add value by hand to Fr_trb field

enter image description here

enter image description here

1 Answer 1


You're using the selection tools incorrectly. Specifically, you're running two side by side and then adding a third when you just need two chained together. The output of your select by location should feed into your select by attributes. The current active selection is a single thing, so first you select within your buffer, then from that selection you remove the ones meeting the attribute criteria.

See Select by Attribute within a specific area (using Select by Location?) for more details/info.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.