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Thanks Daniel The above M3C2 results were calculated using default mode as normal computation method. If I set the "normal computation method" as vertical (+Z), does it means the vertical distance between two surfaces? How the parameters should be set in this case? normal dia: does it matt...

This is a part-print of my dataset I have also calculated the roughness of the initial data Any help would be much appreciated.

I am currently studying a breakwater monitoring project. I have two sets of data collected by UAV photogrammetry: (i) Initial data; (ii) Monitoring data. A DSM is generated from each set of data with 0.1m grid interval, and the points in two sets are in the same X Y coordinates. Here shows the typic...