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Hi,

Thank you for your answers.

@jdv56a : Interesting indeed, but in my case my objective was actually to get a "clean" cloud to then compute "clean" normals".

@daniel : yes sorry about that, the orientation was indeed not good. So now my position and orientation matrix is the same as in your ...

Hi,

To give some perspective, my objective was to "clean" a pont cloud by keeping points visible only from the outside. So I wanted to compute visibility from various synthetic sensor positions, and merge the different reconstructed clouds. But that can actually be achieved with the Hidden Points ...

Hello,

I'm trying to to determine the visibility of points from a virtual sensor, but all points within the sensor vision range seem to be visible, even the ones theoretically hidden.

This behaviour can be replicated (cloudcompare v.2.12.14) by creating a sphere of radius 2 with center at 0, 0 ...