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KtoA 4.1.7.1 - Arnold for Katana

16 March 2023

KtoA 4.1.7.1 includes Arnold core 7.1.4.4.

Installation

  • Download the Arnold for Katana plugin
  • Follow these installation instructions

Katana 4.5 and 5.0 compatibility

Katana 4.5v3 and 5.0v3 introduced a change where the Arnold USD plugins support in Katana. This release of KtoA supports those versions or newer within their release series. Katana 4.5v1, 4.5v2, 5.0v1 and 5.0v2 are not supported with this release.

Bug Fixes

  • ARNOLD-12991 - Errors in OptiX denoiser cause crashes
  • ARNOLD-13027 - kick -o does not work if first output is HALF
  • ARNOLD-13045 - Crash when imager is passed to deep driver and has output_suffix
  • ARNOLD-13056 - GPU ignores uv_transform.mirror_u
  • ARNOLD-13090 - Opening a background image in the Arnold Render View > Display tab crashes MtoA IPR
  • ARNOLD-13110 - Crash and hangs when flushing quad lights during IPR

System Requirements

  • Windows 10 or later.

  • Linux with at least glibc 2.17 and libstdc++ 4.8.5 (gcc 4.8.5). This is equivalent to RHEL/CentOS 7.

  • CPUs need to support the SSE4.1 instruction set.

  • GPU rendering works on Windows and Linux only and requires an NVIDIA GPU of the Ampere, Turing, Volta, Pascal, or Maxwell architecture. We recommend using the 525.89 or higher drivers on Linux and 528.49, or higher on Windows. See Arnold GPU for more information.

  • For GPU rendering, the cache also needs to be re-populated after installing a new Arnold version, updating to a new NVIDIA driver , or changing the hardware configuration of GPUs on the system. More information can be found here.

  • Optix™ denoiser requires an NVidia GPU with CUDA™ Compute Capability 5.0 and above.

  • Katana Katana 4.0v1 or newer, Katana 4.5v3 or newer, Katana 5.0v3 or newer, or Katana 6.0v1 or newer.

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