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Is there a way to find closest points on mesh surface to points in a cloud #1195

grosskc opened this issue Sep 20, 2019 · 0 comments


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@grosskc grosskc commented Sep 20, 2019

Dear Open3D users.

I am looking to use Open3D to precisely fit a measured point cloud to an accurate CAD model. I am successful in achieving this by generating a point cloud representation of the CAD model via sampling. To achieve the desired accuracy, I must highly sample the CAD model.

It seems a more efficient approach could be achieved by iteratively fitting my measured point cloud to the nearest points on the mesh. Is this currently possible in Open3D?

The great Python package trimesh has this capability -- see Trimesh Proximity functions -- nicely integrated into their ICP implementation for fitting points to a mesh, but it is too slow for my application.

Thanks in advance for any information!

@grosskc grosskc added the question label Sep 20, 2019
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