Daniel Marcotte sent me a screen grab showing Bricscad displaying data input from a 3D laser scan file. He writes:
I wrote a point cloud custom entity for Bricscad while back as a programming exercise, it reads points in from .las files. If I remember correctly, the upper limit was about 7 million points. I added Delaunay triangulation too, but I have no idea if this would be useful -- just not my field. I've posted the source at www.theswamp.org
And here's the screen grab:
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