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I have a raw data with number of polygons and sub polygons in it. Attached Snap is an example.

enter image description here

I can simply merge two polygons by selecting both. But i can't do that to the huge data. Is there any way to make it dissolve the smallest one in largest one.

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    What language / tools / library are you using? How is the polygon defined?
    – Mr R
    Mar 17 at 12:38
  • Hi Mr R, im using Merge tool by selecting two polygons manually. Polygon is defined by pincode
    – Bruno B
    Mar 17 at 12:42
  • Can you post a sample of the raw data?
    – Mr R
    Mar 17 at 12:48
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Assuming all the small polygons are located inside the large polygons as you posted in your question, select those small polygons, and use 'Eliminate Selected polygon' located under the Processing toolbox (you can search for the tool), and then select the option Merge Selection with the neighbouring polygon with the Largest Area

enter image description here

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  • Thanks!!! for your solution its working good.....
    – Bruno B
    Mar 18 at 7:17

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