I have a point feature, each point has a floating value assigned. I have a square grid (polygon) feature overlapping the points. I want to assign a value to each grid cell equal to the sum of the points' value inside the cell. Something similar to Zonal Statistics tool (ArcGIS) that can use a point layer instead of a raster for input data.


Use Spatial Join:

  1. Right-click polygon layer - Joins And Relates - Joins. Select Join data from another layer based on spatial location
  2. Specify the Point layer
  3. Select the first bullet (Each polygon is given a summary of the numeric attributes...) and check the Sum box
  4. Specify an output location and click OK

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The output polygons will have the sum of all numerical attributes of the points

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