October 26, 2021 Yen Lily

Some cool tools for Houdini you need to know

Houdini is one of the most famous 3D software which artists and studios often use in many fields, because of its convenience. It always develops many tools you will ever need to use in the core of the Houdini’s functionality, which saves time and money.

Today, let’s explore some of the coolest tools it has.

1. Edge smooth tool

This tool is developed by Simon Verstraete, and is introduced via Twitter on 12th October 2021.

He described that it will allow you to smooth edge groups provided to the tool, and relax the neighbors around it to produce smooth edges. For example, you’re cutting a sphere asymmetrically – the tool will detect the new edges and smooth them for a nice clean look.

2. Axiom Solver

Axiom is a sparse, GPU accelerated volumetric fluid solver for computer graphics and visual effects. Its key feature is the custom OpenCL volume data structure that lets sparse simulations run on a GPU.

On 20th September, 2021, Matt Puchala launched Axiom 2, a new update which introduces new simulation source types and forces, support for color dissipation and diffusion, plus a new Volume Visualize node. With this new version, Axiom improves so much in workflow and performance.

As for workflow improvements, the update adds control ramps for wind and cooling rate, axis-based control fields, and new Shelf tools and setups. The tool is also said to be 5% more memory efficient.

Axiom 2 can be used with Houdini 18.0+ on Windows, Linux or macOS. Full node-locked licenses now cost $399, while floating licenses cost $499. For non-commercial use, it remains free.

3. hdRstr

hdRstr, developed by Stefan Krake, is a plugin capable of dealing with tens of thousands of area lights in real-time in the viewport of Maya or Houdini. The tool uses RTXDI, Nvidia’s new direct illumination system for GPU ray tracing, and it is now available in free open beta.

The core of the new tool is Nvidia’s implementation of its ReSTIR sampling algorithm allowing the plugin to deal with the direct illumination in a scene. The tool has the ability to provide a high-speed preview when editing a lighting setup. It also offer a “good approximation” of the final direct lighting in a scene.

The tool is developed as a Hydra render delegate supporting the main features of Pixar’s Universal Scene Description (USD). In Houdini, hdRstr can be used as part of a USD workflow (Hydra render delegates are only supported inside Solaris).

4. Soft Boolean

Soft Boolean is developed by Alexey Vanzhula, it’s a real-time Boolean modeling toolkit for Houdini. The new pack makes the real-time Boolean modeling system from Modeler, Vanzhula’s hard-surface modeling toolkit, available inside Houdini as an add-on.

Users of the toolkit can perform Boolean modeling operations on polygonal meshes in the Houdini viewport and make accurate bevels. The pack comes as an HDA that can also be used inside other DCC applications with Houdini support, including Maya, Unreal, Unity, and more.

You can buy it with $30 for an individual license, with $100 for a studio license.

5. Dune Solver

Barrett Meeker, a Creative Director at Lucky Pause and Developer of puzzle-exploration game Homesick, has released a new tool for Houdini called Dune Solver. This is a natural dune solver for Houdini Heightfields and Terrain tools that simulates the ways real sand dunes form based on wind, sand depth, and other factors. This solver is written in OpenCL and makes full use of your GPU, which makes it extremely fast.

The Dune Solver system for Houdini is based on the last research into sand dune formations. Each sand voxel is simulated simultaneously and the dunes themselves can even feedback into the wind patterns that create them.

The solver uses a bedrock + sand = height model where the sand layer stores sand height at each voxel and this is the layer that is simulated. A vector wind layer is used for wind direction so wind direction can be set on a per voxel level. The Y-axis (vertical) of wind is ignored.

Can you use those tools on iRender cloud rendering?

iRender provides you a high-performance and configurable server system for 3D rendering, AI Training, VR & AR, simulation, etc. We believe that design and creative activities are private and personal that only you artists will know what you want with your animation.

You can install Houdini with these tools on our remote machine (first time access only), add license, and render with any render engines, like Redshift, Octane, V-Ray, Arnold. 

For Redshift, V-Ray and Octane, we suggest our dual RTX3090s, 4 x RTX3090s, 4 x RTX3080 and 6 x RTX3090. For Arnold rendering, you can choose between single RTX3090 or CPU rendering (if your Arnold version is below 5.3, which doesn’t support GPU rendering).

Let’s see some of Houdini benchmark with Redshift, V-ray Octane and Arnold GPU on our package RTX3090s:

Not only those powerful configuration, iRender also provides you more services. From NVLink for large scene, to useful and free transferring tool named GPUhub sync. Our price is flexible with hourly rental which has pay-as-you-go basis, daily/ weekly/ monthly subscription with discount from 20-40%. Plus, you have 24/7 support service with real human who will support you whenever you encounter an issue.

Register an account today to experience our service. Or contact us via WhatsApp: (+84) 916806116 for advice and support.

 

Thank you & Happy Rendering!

Source: sidefx.com, 80.lv

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