# OpenVDB

- id: src_01M569EE055CPY4R5FBBBAKMV8
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T11, T15 · tags: level:advanced, volumes, sparse-grids, smoke-fire, simulation, vfx-platform
- updated: 2026-10-18T01:19:01.113Z
- url: https://veyrul.com/sources/src_01M569EE055CPY4R5FBBBAKMV8

Source: https://github.com/academysoftwarefoundation/openvdb

```json
{
  "archived": false,
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "Sparse volumetric data structure and tools (the format behind VFX smoke, fire, clouds and level sets); core of fluid/pyro simulation and volume rendering pipelines and used by Houdini and Blender.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Academy Software Foundation",
  "next_check_at": "2026-10-18T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [],
  "upstream_updated_at": "2026-10-17T05:58:56.000Z"
}
```

Evidence claims:
- [upstream_claim] GitHub description: sparse volume data structure and tools; README tabulates builds for core, AX, NanoVDB and Houdini. · locator: README, header table · source: https://github.com/AcademySoftwareFoundation/openvdb
- [sourced_fact] README License: released under Apache License 2.0; note says OpenVDB completed re-licensing from MPL 2.0 to Apache 2.0 (RE-LICENSE_NOTE.txt). · locator: README, License · source: https://github.com/AcademySoftwareFoundation/openvdb
- [sourced_fact] GitHub metadata: Apache-2.0, not archived, last push 2026-10-17. · locator: repository metadata · source: https://github.com/AcademySoftwareFoundation/openvdb
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- code: license=Apache-2.0 hosting=permitted redistribution=permitted modification=permitted training=not_applicable · Apache-2.0 per README; formerly MPL-2.0, check old releases. · evidence: https://github.com/AcademySoftwareFoundation/openvdb

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