open3d.ml.torch.datasets.samplers.SemSegSpatiallyRegularSampler# class open3d.ml.torch.datasets.samplers.SemSegSpatiallyRegularSampler(dataset)# Spatially regularSampler sampler for semantic segmentation datasets. __init__(dataset)# get_cloud_sampler()# get_point_sampler()# initialize_with_dataloader(dataloader)#