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I have huge point cloud data I want to render them at interactive frame frate. Process I know is

1.point cloud data

2.triangulate it using delnauy or other triangulation algo

3.surface voxelization for mesh

4.volume tracing ti render

But triangulation process is very very slow. Can I somehow voxelize my point cloud directly? I am newbie to voxelization.

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    $\begingroup$ Can you not subdivide your world into a 3d grid and if any grid has >= 1 point inside it, it can be made into a voxel? $\endgroup$
    – PaulHK
    May 2, 2017 at 9:40
  • $\begingroup$ You could use a fullscreen triangle and raymarch it. There's lots of tutorials about that. And iirc it's the preferred method. $\endgroup$
    – z0rberg's
    May 16, 2017 at 7:06
  • $\begingroup$ Why do you need voxels to begin with? Can't you just render the points themselves (possibly with some adaptive point size)? $\endgroup$
    – Christian Rau
    Oct 1, 2017 at 20:00

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