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I have a coloured point cloud in a .pcd file, that I can easily convert to a .ply file using Open3D. I would like to visualise the point cloud in Blender (version 3.x) as a collection of spheres, each coloured according to the colour of the corresponding point in the point cloud, in order to render a high-quality image.

The final result should look something like the following, where the colours are the ones specified in the .pcd file:

enter image description here

Is there a simple way to achieve this with Blender?

Image source:

F. Sverrisson, J. Feydy, B. E. Correia and M. M. Bronstein, "Fast end-to-end learning on protein surfaces," 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2021, pp. 15267-15276, doi: 10.1109/CVPR46437.2021.01502.

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  • $\begingroup$ It's a bit involved but you might find interesting things in this thread over on BA blenderartists.org/t/… $\endgroup$
    – Gorgious
    May 3, 2022 at 18:16
  • $\begingroup$ Thank, I'll have a look but I never used Blender before, therefore I was looking for a simple solution. Looks like the Point Cloud Visualizer plugin would do what I need, but the price is a bit steep since I need it for just a few renders. $\endgroup$
    – RMeli
    May 4, 2022 at 9:11
  • $\begingroup$ There is a builtin .ply importer that you can use. I don't know if it will import the color data though $\endgroup$
    – Gorgious
    May 4, 2022 at 11:22

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