Share

HtoA 6.3.4.1 - Arnold for Houdini

18 September 2024

HtoA 6.3.4.1 is a bugfix release that uses Arnold 7.3.4.1.

Installation

  • Download Arnold for Houdini from your Autodesk Account. See Download Arnold for more information about downloading HtoA from your Autodesk Account.

  • Follow these installation instructions

Bug Fixes

  • HTOA-2731 - Arnold Render Settings now puts RGBA at the top of the list of ordered render vars, so it is the default viewport AOV
  • HTOA-2734 - Added more error logging to "driver_houdini" if it fails to communicate with mplay, as part of an ongoing effort to improve the debugging experience when the render view is silently failing
  • ARNOLD-14289 - Crash when interactively removing operator nodes
  • ARNOLD-15406 - [GPU] Uninitialized memory causing random crashes
  • ARNOLD-15437 - open_pbr_surface was not supported in arnold MaterialX implementation
  • ARNOLD-15445 - [GPU] Crash with multiple GPUs
  • ARNOLD-15465 - Setting IOR to high values in OpenPBR causes NaNs
  • usd#2090 - Fixed crashes when registering the TfNotice callback multiple times

System Requirements

  • Houdini, Houdini FX, Houdini Indie and Houdini Education
    • 19.5.805
    • 20.0.751
    • 20.5.332
  • Linux with at least glibc 2.28 and libstdc++ 9.3.1 (gcc 9.3.1) for Houdini 19.5, 20 and 20.5. This is equivalent to RHEL/CentOS 7.
  • Linux with at least glibc 2.17 and libstdc++ 11.2.1 (gcc 11.2.1) for Houdini 20/20.5. This is equivalent to Rocky 8.
  • macOS 10.13 or later, macOS 11 or later for Houdini 19.5
  • Apple Mac models with M series chips:
    • Natively supported by Arnold for Houdini 19.5
    • Supported under Rosetta 2 mode for older versions of Houdini
  • x86-64 CPUs need to support the SSE4.1 instruction set. Apple Mac models with M series chip are supported natively mode.
  • GPU rendering works on Windows and Linux only and requires an NVIDIA GPU with the Maxwell architecture or later.
  • Optix™ denoiser requires an NVidia GPU with CUDA™ Compute Capability 5.0 and above.
  • Intel OIDN GPU support is limited to:
    • MacOS
      • Apple native CPUs (M1 and newer)
    • Windows
      • Intel Xe dedicated and integrated GPUs
      • NVIDIA GPUs using Turing or newer architectures
      • AMD GPUs with RDNA2 (Navi 21 only) and RDNA3 (Navi 3x) architectures

Was this information helpful?