CloudCompare forum

With this tool the arbitrary plane is actual an horizontal plane and you just have to set its altitude. If you really want an arbitrary plane, you could create one (with the 'Primitive factory', or the 'Edit > Plane > Create' tool). And then sample points on this plane. And use the resulting cloud ...

For research I dropped sand into a box an made a 3D point cloud with photogrammetry. Now i have to calculate the volume of the sand, but the problem is that the sand is covered on the whole surface of the box. So the bottom surface is not visible. I understand that the volume can be calculated with ...