Arnold

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Arnold

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autodesk arnold 6.2 webimage 8dd4b

 

Introducing Arnold 6.2

Arnold 6.2 brings even more speed and flexibility to your workflows with new post-processing nodes for better control of lighting effects and tools for automatic denoising after each render.

This update also continues to build Arnold’s GPU toolset with a number of enhancements to help you render more efficiently and improved USD support, developed in collorabation with several VFX and animation studios. 

 

An even better post-processing experience

First introduced with Arnold 6.1, post-processing nodes (or imagers) allow you to fine-tune post-processing effects and see them update directly in the render view.

Arnold 6.2 now introduces new imagers for light mixing, bloom effects, and denoising.

 

Light mixer: This new imager makes it possible to edit the contribution of light group AOVs during and after rendering. This gives artists more control over each light and can save them time on rendering if changes are needed. The maximum number of light group AOVs has also been increased to 256.

Bloom: This popular effect simulates the light bloom created by real-world camera lenses when exposed to bright light. The effect produces a glow around a bright object, causing the light to bleed past the object’s borders.

OptiX and Arnold Noice denoisers: The Arnold Noice and OptiX denoiser are now implemented as imagers allowing you to automatically denoise every time you render a scene.

The OptiX denoiser now adds additional controls to clamp values given to the denoiser and toggle the use of feature buffers given.

 

Continuing to build Arnold’s GPU toolset

Arnold 6.2 adds several GPU Improvements including shadow linking, and faster start-up.

 

Shadow linking

Now you can render scenes more efficiently in GPU with added support for shadow linking. Normally, all objects in a scene are included in the calculation of shadows cast by a light. Shadow linking allows you to link specified groups of objects to different shadow calculations, reducing the rendering time required for a complex scene.

Shadow Groups

Support for shadow groups has been added in the Arnold GPU. By default, shadow groups follow light links. With new shadow group support, you can include or exclude a light’s shadow on a per-object basis. When excluded, a specified lights shadow is disabled for that object.

Get up and running faster

The initial startup time when rendering a scene for the first time is up to twice as fast as previous versions, and render time is now 4% faster.

 

Enhanced USD support

 

The Autodesk Arnold team  collaborated with a number of studios to bring the following improvements to USD support in Arnold:

 

Better integration with DCCs: Arnold now supports Katana’s Hydra viewport and allows for transfer of scenes to Katana via USD. We’ve also added support for final frame rendering via Solaris.

Hydra cameras: The render delegate now supports physical camera parameters, including depth of field and Arnold specific camera parameters

Search paths: The render delegate now exposes search paths for plugins, procedurals, textures, and OSL includes.

Autobump visibility: The render delegate now supports setting autobump_visibility via primvars

Per-face material assignments: The render delegate now supports per-face material assignments.

Cache Id: The procedural now supports reading stages from the shared stage cache via the cache id parameter.

 

OpenColorIO v2 now integrated

 

Arnold 6.2 integrates OpenColorIO v2, the updated software component that provides color management technology. You can now take advantage of OpenColorIO v2’s native implementation of ACES (Academy Color Encoding System) and processing improvements right in the Arnold renderer.

 

For more information on this release, check out the release notes.