python geometry numpy point-cloud mesh nearest-neighbor sampling nearest-neighbors poisson nanoflann optimal-transport hausdorff-measure poisson-disc-sampling sinkhorn poisson-disk-sampling lloyd-relaxation hausdorff hausdorff-distance sinkhorn-distance chamfer-distance

deep-learning dtw trajectory trajectory-similarity edr hausdorff trajectory-distance

chemistry molecule symmetry quaternions chirality hausdorff