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I have a line layer where each line segment is snapped to 2 of the points from our point layer in QGIS. Each point has a Unique ID which I need to carry over automatically to a "from_point" field and a "to_point" field in the line layer attribute table.

Would there be a way to populate the fields after digitizing all the lines and points?

I figure we will need to run some sort of spatial query to relate the 2 points to each line segment and then run some sort of expression to populate the fields.

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