SideFX Houdini FX 17.0.416
SideFX has released a new sneak peek for Houdini 17, the next update to its 3D animation and FX software. Unlike its Siggraph demo, which focused on the new PolyDraw direct modelling system, it shows what looks to be the entire feature set, including UVs; animation; hair, fluids and dynamics simulation; and rendering.
Highlights include Project Vellum, a new GPU-accelerated multiphysics solver, plus a new material-based fracturing framework, a new retiming operator for animations and simulations, and improved hair grooming.
Project Vellum: a new GPU-based multiphysics solver
To judge from the video, the biggest single new feature in Houdini 17 is Project Vellum, a "fast unified solver for cloth, hair, soft bodies and grains" inspired by Nvidia's XPBD method. Cloth simulation includes what looks to be at least a basic clothing toolset - the video shows clothing panels being created from curves - and the feature list at the end notes that cloth can be multilayered. There are also some neat visualisation options, including heatmaps for bend and stretch angle and stress. Soft bodies can be pressure-driven, strut-based or tetrahedral; and there are a few other interesting features, including plasticity - the image above shows grass staying flattened after being trodden down. The solver is OpenCL-based, so it should work on any manufacturer's GPUs, and integrates with Houdini's existing crowd simulation tools.
Modelling: PolyDraw direct modelling toolset, new procedural modelling options
In the modelling toolset, the major addition still looks to be PolyDraw, which attempts to bring Houdini's dirct modelling workflow more in line with that of other DCC software. Houdini's procedural modelling toolset has also been extended, with six new or updated SOPs, including Falloff, Attribute Noise, Winding Number and Retime.
UVs: automatic seam detection and improved UV packing
The UV toolset also gets a significant update, including the new UV Autoseam operator: a heuristic seam detection system with the option to use a distortion tolerance slider to influence seam placement. UV Flatten has been updated, with a handy-looking option to straighten out UV islands to help optimise UV packing, and the UV Layout operator has been "completely redesigned", including new visualisation options.
Character animation: new full-body IK solver and pose space deformation toolset
For animators, major changes include a new full-body IK solver and a pose space deformation toolset. Supported in other DCC tools like Maya, pose space deformation fixes artefacts in skin deformation by applying corrective blendshapes according to joint angles in the character rig.
Rendering: built-in OptiX GPU denoising, light path expressions, and acceleration motion blur
In rendering, Houdini becomes the latest application to support a number of key industry technologies. Those include Nvidia's GPU-based, AI-driven OptiX render denoising system, also used in Arnold, V-Ray and Clarisse; Light Path Expressions; and layered Alembic files.
Rigid body dynamics: new material-based fracturing framework
Houdini's simulation toolsets also see some major new features, including a new material-based fracturing framework capable of generating unique fracture patterns for concrete, wood and glass in destruction sims. It supports heterogeneous constraints, including built-in Bullet physics soft constraints. There are also new Voronoi 2.0 and Boolean Fracture tools.
Fluid simulation: revamped whitewater solver, retiming for Pyro FX sims
Over in the FLIP fluids toolset, the whitewater solver has been "completely redesigned". You can see the new solver in action in the image above: SideFX describes it as generating a more "organic look" to surface foam, with cellular patterns and repellent forces. Performance of narrow-band fluid simulations, introduced in Houdini 16.5, has also been improved For gaseous fluids, the Pyro FX toolset gets built-in colour advection; and a "more granular" workflow for setting up simulations in SOPs. Both Pyro FX and FLIP fluids simulations can also now be retimed - the new operator works with any animated geometry, apparently.
Other simulation types: better hair grooming and terrain generation
Hair simulation gets a number of new features, including the new Vellum solver, hair card generation for games, and "5x faster grooming performance", largely due to faster calculation of guide hairs and clumping. There are also new fractal clumping and recursive sub-clumping systems. In terrain generation, there is a new heightfield distortion system, and the hydrological and thermal erosion systems have been "completely redesigned" with "higher quality" debris distribution.
Games tools: Houdini Engine for 3ds Max, new Unity plugin, glTF support
For games artists, there is a new third-party Houdini Engine plugin for 3ds Max, enabling Houdini assets to be imported into the software in an editable format, as with Maya, Cinema 4D, Unity and Unreal Engine. The Unity plugin has also been "completely redesigned", and now includes native terrain support. Houdini also now supports the glTF data interchange format increasingly used in online and real-time tools.
Miscellaneous changes: improved Unified Noise, new Python API for custom viewport interaction
Other changes include updates to the Unified Noise VOP, which gets a new Periodic Noise system, plus initial 64-bit support and support for AVX. There is also a new Python API for authoring custom viewport interactions: the demo shows it in use to create an in-viewport measurement tool.
About SideFX Houdini FX. Houdini FX combines superior performance and dramatic, ease-of-use to deliver a powerful and accessible 3D experience to VFX artists creating feature films, commercials or video games. With its procedural node-based workflow, Houdini lets you create more content faster to reduce timelines and enjoy enhanced flexibility in all your creative tasks. Houdini is perfect for Visual Effects artists and technical directors with its particle and dynamics environment. Houdini FX includes a complete toolset for studios that want to use it for other tasks such as lighting, animation or procedural modeling.
About Side Effects Software. Side Effects Software is a world leader in the development of Houdini, our advanced 3D animation and special effects software for use in film, commercials and video games. Side Effects Software has been recognized three times with Scientific and Technical awards from the Academy of Motion Picture Arts and Sciences. The Houdini family of animation software offers digital artists an unprecedented level of power, flexibility and control based on award-winning procedural technology. The comprehensive feature set includes: modeling, rigging, animation, particle effects, dynamics, compositing, integrated rendering, and more. All Houdini applications work together seamlessly and are available for the (Mac OSX), Linux and Windows operating systems.
Product: SideFX Houdini FX
Version: 17.0.416
Supported Architectures: x64
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Language: english
System Requirements: PC
Supported Operating Systems: Windows 7even or newer
Size: 1.4 Gb
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