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I have a square grid and I have multiple centroids on another layer. These centroids have many attributes as values. I want for each grid cell to assume the attributes of the centroids inside them. For example, if a grid has two certain centroids inside it, I want the grid to get the sum of the values for each attribute from each centroid inside it (i.e. if centroid 1 has A=3 and B=2, and centroid 2 has A=2 and B=5, the grid cell should have the attribute values of A=5 and B=7). How can I do this ? I use the last version of QGIS (3.28).

grid centroid print

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  • How do you want to solve this? Through any software or programming? Kindly specify.
    – Padmanabha
    Dec 1, 2022 at 11:16
  • What GIS software are you using?
    – PolyGeo ♦
    Dec 1, 2022 at 11:19
  • I'm using QGIS 3.28. I'm trying to know if there is anyway to do this through QGIS.
    – John Silva
    Dec 1, 2022 at 11:31
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    Using Join attributes by location (Summary) the way I described gave me exactly the result you are after when I tested.
    – Matt
    Dec 1, 2022 at 20:33
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    No problem :) easy mistake to make. I'm glad you achieved what you needed in the end.
    – Matt
    Dec 2, 2022 at 9:35

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Credit: @Matt user:128665

Answer: Using Join attributes by location (Summary)

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