Fjzd

> I find weights. sum (-1, keepdim=True)>=1 caused the entropy() to fail.just normalize the weights could solve the problem.

I think the problem is caused by weights = (x - voxel_min_vertex)/(voxel_max_vertex-voxel_min_vertex) of Hash_encoding!You can change it into weights = (x - voxel_min_vertex)/(voxel_max_vertex-voxel_min_vertex+1e-6) and try it again!