Welcome


OpenVDB is an Academy Award-winning open-source C++ library comprising a novel hierarchical data structure and a suite of tools for the efficient storage and manipulation of sparse volumetric data discretized on three-dimensional grids. It is developed and maintained by DreamWorks Animation for use in volumetric applications typically encountered in feature film production.

News

April 10, 2018

OpenVDB 5.1.0 is now available to download.

This release incorporates a number of improvements to the Houdini toolkit, including conversion of most of the SOPs to compilable SOPs to facilitate parallel execution.

See the release notes for a complete list of changes.

November 6, 2017

OpenVDB 5.0.0 is now available to download.

Highlights of this release:

  • new tools to create potential flow fields
  • new point data grid tools
  • better handling of metadata of unregistered types
  • simplified ABI selection.

See the release notes for more information.

July 28, 2017

OpenVDB 4.0.2 is now available to download.

Highlights of this release:

  • help cards for Houdini nodes (in Houdini 16)
  • a new tool for fast, threaded compositing of leaf-level voxels
  • a tool to clip grids against camera frustums
  • enhanced support for point data grids, including Mantra and vdb_view support
  • value type conversion options in the Houdini Convert node.

See the release notes for more information.

March 8, 2017

OpenVDB 4.0.1 is now available to download.

While primarily a maintenance release, with fixes for a number of bugs, this release also includes a few new features:

  • a command-line tool to generate volume mipmaps for level-of-detail effects
  • a fast, threaded method to count active leaf voxels
  • functions to simplify configuration of the logging system
  • an optional reference grid input to the Houdini Create node
  • support for obstacles in the Houdini Remove Divergence node.

See the release notes for more information.