Torch Object Storage
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- Documentation
Torch Object StorageAPI ReferenceBucketData ProcessingFile decompressionPointCloudCompress
Copy page
Download PDFFile decompression
PointCloudCompress
Copy pageDownload PDFPointCloudCompress
Description
Point cloud data is an unstructured dataset composed of a large number of three-dimensional points, widely used in 3D reconstruction, semantic segmentation, autonomous driving, and other fields. Storing and transmitting point cloud data requires substantial storage space and bandwidth, so compression is necessary to reduce costs. This interface is used for point cloud file compression.
Notes
- This interface is in invitation-only testing. Contact your account manager to use it.
- Point cloud compression supports synchronous processing only (x-tos-process method).
- Currently, only pcd format point cloud file compression is supported, with a file size limit of 20MB.
- The default flow control value is 5 QPS.
Request syntax
GET /example.pcd?x-tos-process=pointcloud/compress&format=pcd HTTP/1.1
Host: <bucket_name>.tos-cn-beijing.volces.com
Authorization: authorization_string
Request parameters and headers
Field name | Location | Type | Required | Example value | Description |
Field name | Location | Type | Required | Example value | Description |
x-tos-process | Query | String | Yes | pointcloud/compress | This represents the special identifier for point cloud file compression requests, fixed as pointcloud/compress. |
format | Query | String | No | pcd | File format, currently only pcd file format is supported. |
method | Query | String | No | octree: octree | Point cloud file compression method, currently only supports octree: octree. |
fields | Query | String | No | xyz | Point cloud data type, currently supports only the xyz type. tip This parameter requires URL safe encoding, use eHI6 when making requests. |
lib | Query | String | No | pcl | The name of the compression library; currently, only pcl is supported. |
point-resolution | Query | Float | No | 0.01 | Point cloud resolution. This variable determines the accuracy of point coordinates during encoding. The default value is 0.01, with a range of [0, 1]. |
octree-resolution | Query | Float | No | 0.01 | The minimum block size when partitioning an octree, which is the voxel edge length. The default value is 0.01, with a range of [0, 1]. |
down-sampling | Query | Int | No | 1 | Whether to use downsampling, default value is 1. 1: indicates using downsampling. 0: indicates not using downsampling. |
Request body elements
No elements are used.
Response headers
Response body elements
No elements are used.
Sample request
GET /example.pcd?x-tos-process=pointcloud/compress&format=pcd HTTP/1.1
Host: <bucket_name>.tos-cn-beijing.volces.com
Authorization: authorization_string
Sample response
HTTP/1.1 200 OK
Date: Sat, 07 Oct 2023 09:02:23 GMT
x-tos-id-2: 1e89f203jld00006-a444fd0
x-tos-request-id: 3515016f6441e0f3696f6441
Content-Type: application/octet-stream
Content-Length: 72650
// Compressed data
[content]
Last updated: 2026.02.10 15:12:57
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