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Houdini Pretrained ML Volume Upres Tested on Pyro Smoke, Plus a Small Training Run

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A Digital Garden cook log describes using Houdini 22.0.429's pretrained ML Volume Upres nodes to increase the spatial resolution of simulated billowy smoke. The author ran the native billowy-smoke recipe on a licensed Windows workstation with an NVIDIA RTX 5070 Ti, producing valid 2x and 3x density volumes. The post stresses that the upscaling model sharpens a cached field but does not change the upstream simulation's motion or dynamics. A short native training run also exported an ONNX model that could be reapplied through the same workflow. The author reports that the main difficulties involved field selection, environment setup, and the limits of what a brief training run can demonstrate.

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