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First of all，sorry for my poor English.

My question is I want to segment a pointcloud with more than one polyline，when I use segment tool，it only able to select one polyline at a time，but I have a lot of polylines . Is there any way to select many polyline at one time or any other way to solve my ...

Hi,

I have following data:
1. input terrain model (before earthworks - points with XYZ coordinates)
2. current terrain model (pointcloud measured with a drone)

I need to calculate added and removed volume values for the whole terrain in order to show progress of the earthworks.

As you can see on ...