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Suppose there are two polygons that are closer than 10m to each other. I would like to either combine those two polygons or create a new polygon that fills the empty area between them.

  • 1
    Try the tool called Integrate – BERA Nov 30 '17 at 12:35
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  1. Create a Geodatabase topology
  2. Use rule "Must not have gaps":

This rule requires that there are no voids within a single polygon or between adjacent polygons. All polygons must form a continuous surface. An error will always exist on the perimeter of the surface. You can either ignore this error or mark it as an exception. Use this rule on data that must completely cover an area. For example, soil polygons cannot include gaps or form voids—they must cover an entire area.

  1. Validate topology

  2. Find and fix topology errors

This cheat sheet shows all topology rules very clear.


Workflow:

  1. Create geodatabase and add layers (I created a simple one): enter image description here

  2. This is my example layer with polygons (50 x 50 m), see distance between polygons:

enter image description here

  1. Create topology with cluster tolerance equal to 10 meters: enter image description here

  2. Validate it: enter image description here

  3. Results: enter image description here

  • Will that rule allow me to specify a distance from which a void is not allowed? In my case I need polygons that are further than a certain distance to still be as separate polygons. thanks for the quick response – zarf Nov 30 '17 at 13:10
  • @zarf no problem. Check my update – aldo_tapia Nov 30 '17 at 14:09

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