Point clouds in Rhino - poor performance

[nathanletwory (Nathan 'jesterKing' Letwory)]

Just linking some topics that may be pertinent

Pointclouds with 30 billion points can be imported and viewed in Rhino but not all works as I like

@dale, @stevebaer, I imported 33 pointclouds created by Lidar scans of a street and combined them into one cloud with 465.8M pts. If I start slowly when rotating the view, then the response gradually picks up speed while still showing the whole cloud but then after very much rotation, the view shifts to showing only the bounding-box which allows for more rapid movement. After Rhino has shifted to bBox view once, then it immediately jumps back to the bBox view for all subsequent rotations no mat…

Rhino Pointcloud Import Not Working as Expected

@dale, @stevebaer, The first time I import a 9.5 GB Pointcloud in PLY format that contains points, normals, colors and intensities I get the following: [image] This has many points missing in the lower right. When I check properties, it says the cloud has 227,252,794 pts which is correct. If I leave this on the screen and do the import again, then I get the expected result (the cloud above was hidden when capturing this picture): [image] If I unhide everything and select everything, Rhin…