I have a dataset that has buildings generated from satellites which leads to imperfect building outlines. The buildings circled in red are one building but the computer drew them as having multiple pieces. enter image description here

How can I merge them into one building while keeping the other buildings that are adjacent but not overlapping from merging. I tried every union, merge, dissolve, and nothing was able to distinguish between overlapping and adjacent. Or I wasn't able to make it distinguish between the two. I am using ArcMap.

  1. Intersect the buildings with themselves
  2. Select By Location to only select buildings with overlaps: enter image description here
  3. Dissolve the selected features
  4. Start editing on building and delete all selected features. Stop editing
  5. Append the dissolved features back to the buildings.

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