I have collected some environmental LiDAR point clouds and would like to use physx for collision detection experiments. Is there any feasible technical route?
No, not directly. A lidar point cloud is only good for visualizing the current conditions. It will not work with PhysX, because that would require solid, well-formed objects. One thing you could do is to build basic cubes and geometry up inside the point cloud and use those as colliders. So a column in the point cloud is an actual column in geometry hidden below the surface. You can make it invisible but it will still work as a collider. So you can do that for walls, floors, doors, etc.
Thank you!
But what should I do to achieve it " build basic cubes and geometry up inside the point cloud and use those as colliders".
What should you do ? Well inside of Composer or Isaac Sim, you should create some primitives. Cubes can be walls, columns, floors, ceiling etc. Just start building up the scene using the Point Cloud as a reference. Then make them all physics colliders and set their visibility to “off”.
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