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In QGIS 3.28.3 and i have layers A and B (both contain only points) and I want to move the points in layer B to the nearest point in layer A, under the following conditions:

  • The points must have the same name and the nearest distance
  • The range should be 10 km only
  • That the other points that do not match remain the same

Ex: enter image description here enter image description here

I tried "Snap Vertices to Nearest Points by Condition" and "Join attributes by nearest with condition" From ProcessX but I don't know the correct way to use it, do you have solutions for this problem?

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    Have a look at overlay nearest. The crux is grabbing the geometry info from the nearest point with the same value in order to change the geometry of the current feature.
    – Erik
    Commented Feb 23, 2023 at 13:14

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If I understand your question correctly, Snap Vertices to Nearest Points by Condition should actually do just that.

Set it up the following:

  • Source Layer: layerB
  • Points Layer: layerA
  • Snap Vertices: Simply choose all options
  • Snap to one and the same point more than once: Use a point as often as it is the nearest match
  • Maximum snapping distance: 10000
  • Compare-Expression for Source-Layer: your name field of layerB
  • Comparison operator: =
  • Compare-Expression for Points-Layer: your name field of layerA

Make sure your Source Layer is in a metric CRS. Then run it.

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  • Thank you very much, I tried that and it worked for me Commented Feb 23, 2023 at 18:10

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