I am using ArcGIS Pro.

I have two shapefiles, one being a single USA county outline (1 polygon) and another with 1000s of polygons representing wildfire shapes for an entire USA state. When I run an Intersect, it seems to create the correct looking shapefile but when I dig into the attribute table, there is lots of weird data. I want to retain the information of the wildfires within the county area and for fires that are only partly in the county, I want to know about them and the area that overlaps.

  • 2
    What do you mean by weird data number of monkeys in trees??? Suggest you explain what is weird about it? – Hornbydd Feb 14 at 18:13
  • I dont know what it has really done but now i have many shapes underlying that are the same shape and size in the same location. I think that means the intersection is happening between all polygons (because so many overlap) which causes lots of double counting – James Feb 14 at 18:16
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    Correct, that is how Intersect works. It creates polygons for all intersections, including intersections within the same shapefile. – Baltok Feb 14 at 18:34
  • Would a simple Select by Location to get the subset of wildfires in your county work? – lambertj Feb 14 at 18:59
  • @lambertji what do you mean? how would i do that? as far as i know the fire shapes dont know where they are that is why i have the county shape file – James Feb 14 at 19:00

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