qgis version: 3.4.9-Madeira

I am editing a shapefile.

I want merge two adjacent polygon.

selected two adjacent polygon

Then, I run merge tool, and it comes like below picture.

enter image description here

You can see some gap(?) or tail shape line between two polygon.

Why is this happening?

  • 3
    Please Edit the question to specify what GIS software you are using. – Vince Aug 2 '19 at 1:27
  • 2
    Could you please look and see if the remaining dangle in fact has a gap or multiple vertices? – Aaron Aug 2 '19 at 1:33
  • Could you add the original geometries as WKT into your question? – user30184 Aug 4 '19 at 20:03

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