Open3d learning notes II [file reading and writing]

Official document reading function

function	Parameters
open3d.io.read_azure_kinect_mkv_metadata	(filename)
open3d.io.read_azure_kinect_sensor_config	(filename)
open3d.io.read_feature	(filename)
open3d.io.read_file_geometry_type( Read the geometry type of the file )	( arg0 : str )(return(open3d.cpu.pybind.io.FileGeometry))
open3d.io.read_image	(filename)
open3d.io.read_pinhole_camera_intrinsic	(filename)
open3d.io.read_line_set	(filename, format=‘auto’, print_progress=False)
open3d.io.read_octree	(filename, format=‘auto’)
open3d.io.read_pinhole_camera_parameters	(filename)
open3d.io.read_pinhole_camera_trajectory	(filename)
open3d.io.read_point_cloud	(filename, format=‘auto’, remove_nan_points=False, remove_infinite_points=False, print_progress=False)
open3d.io.read_pose_graph	(filename)
open3d.io.read_triangle_mesh	(filename, enable_post_processing=False, print_progress=False)
open3d.io.read_triangle_model	(filename, print_progress=False)
open3d.io.read_voxel_grid	(filename, format=‘auto’, print_progress=False)

See the previous chapter for detailed reading operations .

Writing function of official documents .

function	Parameters
open3d.io.write_line_set	（filename,line_set,write_ascii = False,compressed = False,print_progress = False）
open3d.io.write_octree	(filename, octree)
open3d.io.write_pinhole_camera_intrinsic	(filename, intrinsic)
open3d.io.write_pinhole_camera_parameters	(filename, parameters)
open3d.io.write_pinhole_camera_trajectory	(filename, trajectory)
open3d.io.write_point_cloud	(filename, pointcloud, write_ascii=False, compressed=False, print_progress=False)
open3d.io.write_pose_graph	(filename, pose_graph)
open3d.io.write_triangle_mesh	(filename, mesh, write_ascii=False, compressed=False, write_vertex_normals=True, write_vertex_colors=True, write_triangle_uvs=True, print_progress=False)
open3d.io.write_voxel_grid	(filename, voxel_grid, write_ascii=False, compressed=False, print_progress=False)
open3d.io.write_image	(filename, image, quality=- 1)
open3d.io.write_feature	(filename, feature)
open3d.io.write_azure_kinect_sensor_config	(filename, config)
open3d.io.write_azure_kinect_mkv_metadata	(filename, config)

There are two commonly used .
One is point cloud writing open3d.io.write_point_cloud(), Corresponding reading format , Mostly used for writing ply and pcd Format file .
The other is open3d.io.write_triangle_mesh, The same corresponds to the read format , write in stl Etc .