OTOY’s real-time path-tracing game engine ‘Brigade’ has been integrated into Octane 4, making heavy scene loading and interactivity up to 10x-100x faster.
Brigade gives artists instant game engine-like feedback in the Octane viewport when moving or deforming heavy meshes or scenes with millions of triangles.
Octane 4 can render fast out-of-core geometry from CPU memory, with minimal speed loss, even across multiple GPUs – a first for an unbiased GPU renderer.
All meshes and textures can, if desired, be stored in CPU memory while Octane is rendering at fully interactive speeds with no viewport latency. Scene AI models visibility of surfaces in real time to dynamically move geometry in and out of core for maximum performance.
Octane 4 introduces groundbreaking machine learning technology to interactively denoise beauty and AOV passes on-the-fly, both in the viewport and for final frame production rendering.
Octane’s state of the art Spectral AI Denoiser operates on internal perceptual models of material, spectral irradiance and scene data deep in the engine. Domain specific AI denoisers help with glass, refractions, SSS, depth of field and motion blur, reducing render times by 50-100x in noisy scenes.
AI Light further complements the AI Denoiser; it is fully unbiased, and tracks emissive points live, in real-time with up to 6-10x speed improvements for scenes with many small light sources such as multi-point or spot lights.
Light linking and light exclusion in Octane 4 helps artists granularly manage scenes with complex lighting without creating multiple render passes. With light IDs set in emitter nodes, artists can now include and exclude lights by material in object layer nodes, and also globally in the kernel settings, allowing control over the direct influence of emitters on objects
The new planetary environment in Octane 4 is based on the Nishita sky model, and simulates the scattering of sunlight in the upper atmosphere and space. It expands physics and lighting conditions to support atmospheric shaders and planet shaders with unbiased path-traced accuracy.
With Universal Materials in Octane 4, the process of combining different materials is dramatically simplified, enabling artists to use a single ‘uber’ material to achieve the complexity of what previously required multiple types of material mixes – such as diffuse, specular, glossy and metallic. Universal Material incorporates multiple BXDF lobes including: Specular Transmission, Diffuse BRDF, Specular Reflection, Coating, and Sheen.
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