The implementation is based on Houdini’s VEX expression laungage – you can mix VEX and MaterialX shaders – and includes features not yet present in the MaterialX spec, like support for colour ramps. Karma also includes features not present in Mantra, with the latest update adding support for MaterialX, the ILM-developed open standard for the exchange of material and look dev data. SideFX describes Karma, which is ultimately intended to replace the existing Mantra renderer, as now having “as much parity with Mantra as their two very different architectures can allow”. Karma CPU, Solaris’s USD-native render engine, officially moves out of beta in the release. Karma: now officially production-ready, with Karma XPU available in alpha Other significant workflow improvements include the option to move around scenes using game-style navigation: either using tank controls, or by clicking to teleport to a point in the scene. Users can also create their own custom brushes, following customisable SOP-level templates that SideFX describes as “essentially HDAs that you can install into the Layout tool”. Nudge, Scale and Delete brushes can be used to fine-tune the results. The Place brush positions individual assets, while the Fill brush scatters sets of assets over regions of terrain. The new Layout LOP ingests assets from the Asset Gallery, and provides a brush-based workflow for populating scenes, shown from 00:11:30 in the video above The update also adds a new Asset Gallery palette, for displaying and browsing imported models, with options to colour-code, tag, filter and favourite individual assets. They include the Component Builder, which partially automates the process of creating properly constructed USD representations of imported assets, including proxy geometry, material assigments, and variants. Of the existing toolsets, Solaris, Houdini’s USD-based shot layout, lighting and look development system, gets new features intended to streamline workflow for less technical artists. Solaris: new Component Builder, Asset Gallery and brush tools for laying out scenes It is also, as usual, an incredibly wide-ranging one: the full changelog, shown at the end of the video above, takes a full minute to scroll up the screen, and comprises hundreds of individual features. Timecodes for the key toolsets: Solaris (00:02:20), Karma (00:22:00), KineFX (00:28:00), muscles and hair (00:43:40), destruction (01:14:00), Vellum (01:18:30), Pyro (01:26:40).Īlthough Houdini 19 doesn’t add any individual new toolsets as significant as Solaris in Houdini 18 or KineFX in Houdini 18.5, it’s still a major release, with some ground-breaking individual features. The update, which is being previewed in a series of live sessions at this week’s VIEW Confererence 2021, is due for release on 27 October 2021. SideFX is also releasing Karma XPU, the new hybrid GPU-accelerated version of the engine, in alpha. The Karma renderer – now officially production-ready – gets support for MaterialX. Solaris, Houdini’s look dev toolset, gets new brush-based scene layout tools and a USD Asset Gallery. The other simulation tools also get plenty of love, with Vellum becoming a true multiphysics solver with support for fluids and rigid body dynamics, and updates to the Pyro and destruction toolsets. Highlights include a revamped muscle and tissue simulation toolset that lets artists ‘groom’ muscle fibres, plus a new secondary motion system and support for live mocap streaming in the KineFX character toolset. SideFX has unveiled Houdini 19, the latest major update to the procedural 3D software. Scroll down for news of the commercial release. Posted by Jim Thacker SideFX releases Houdini 19
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