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I am using ArcGIS Desktop 10.6.

While rasterizing my vector layer, lots of noise creates, I remove most of them by applying different cell sizes and the best one is 45.

enter image description here

The only problem left is the one showing in the picture with an arrow. There is nothing behind those pixels and I am wondering why a kind of bridge between pixels at the edge are created.

enter image description here

I tried Region Group, Set Null, and Nibble tools but it does not help me as it removes most of small pixels which are key for my analysis.

How can I remove those red pixels?

The original vector map is as follows.

enter image description here

enter image description here

enter image description here

  • 2
    Does the polygon layer have the "bridge" like in the upper screenshot? Could you add a screenshot showing the same Place but with the polygon layer visible instead of raster? – BERA Mar 26 at 12:56
  • Thanks for your answer. There is nothing in the vector layer. – Shadi Mar 27 at 11:22
  • Can you replace your vector map image with something better. When we click on it to enlarge it to try and see what it is, the resulting image is the same size, so it is very difficult to understand it. – Hornbydd Mar 27 at 16:14

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