DONUT (Dataset Of MaNifold strUcTures) This repository contains a dataset of 3D samples made of watertight meshes and corresponding point clouds. Each sample is composed of one or several watertight mesh components and one 8192 point cloud representation. The dataset contains 29,517 samples in total. Overview The figure below shows a few samples from the dataset together with their labels. Contents The repository is organized as follows: obj/ contains the mesh files as .npz archives. pcd/ contains the point clouds as .npy files. metadata.csv contains one row per sample with topological metadata. There are 29,517 mesh files in obj/ and 29,517 point cloud files in pcd/ . File Format Meshes Each mesh sample is stored as an .npz file in obj/ . The archive contains: vertices.npy faces.npy A sample may contain one or several watertight connected mesh components. Point Clouds Each point cloud sample is stored as a .npy file in pcd/ . Each point cloud contains 8192 points and corresponds to the sample with the same id . Sample Identification Each sample is identified by a unique id string. The same id is used in: the filename in obj/ the filename in pcd/ the id column in metadata.csv For e…
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