LUTs can be applied in any format supported by the OpenColorIO 2 colour-management standard, which Arnold was one of the first VFX applications to support, including. The existing tonemapping imager gets a new LUT mode for applying LUT-based looks to images. Post-processing: new imager for colour correction, support for LUT-based looksĪrnold 7.0 also expands the framework of ‘imager’ post-processing nodes introduced in Arnold 6.1 last year.Īs well as the OIDN denoiser, new imagers include imager_color_curves for colour correction, which provides separate control curves for individual RGB components and overall luminance, as shown above. Real-time colour correction: imager_color_curves makes it possible to adjust RGB components individually, with Arnold now previewing the output of an imager chain before the entire image has rendered. It is provided in parallel with Arnold’s old CPU-based denoiser and Nvidia’s GPU-based OptiX denoiser.īoth the OIDN and OptiX denoisers can make use of Arnold 7.0’s new denoise_albedo_noisy AOV, which adds specular reflections and refactions to the albedo, potentially improving denoising quality. The 7.0 update makes Arnold the latest renderer to integrate Open Image Denoise (OIDN), Intel’s AI-trained CPU-based render denoising framework. The update also significantly extends USD workflows, adding support for deep AOVs and light linking adds support for MaterialX 1.38 and makes ACEScg the default colour space for rendering. Autodesk has released Arnold 7.0, the latest version of the production renderer, adding support for Open Image Denoise, extending the post-processing framework, and reducing memory usage in Arnold GPU.

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