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Hi everyone, we're currently transitioning the workflow at the studio where I work to Houdini/USD with Karma. So far everything is going well, but as we continue developing, some questions about the process keep coming up.

For now, I'd like your opinions:

1. When starting a project, how do you define the USD layers for the artists to work on and populate? To prevent each artist from creating their own USD organization, do you create a master USD with the layer structure defined, and then the artists add to it? (characters, lighting, FX, etc.).

2. We will still keep animations in Maya, and consequently the rig as well. What would the USD workflow look like to send meshes to Maya, rig them, and then receive the animation back without breaking the paths inside Houdini? We tested import an alembic from animated character for example and with a sop modify blendshape them, but doesn't seems right since we have to unpack the mesh and everything.

Hi everyone,

I'm currently working on a vellum simulation in Houdini, and I'm encountering a persistent issue with the instability. Despite tweaking various settings, my simulation continues to jitter and don't have any stability, I've tried adjusting parameters such as substep, constraint iterations, damping and collision parameters. It seems to start working, but suddenly it begins to vibrate.

However, none of these seem to fully resolve the problem or I can't find what it's causing it. Any tips or advice would be greatly appreciated! I sent the hip file in case anyone would take a look on it.


Thanks in advance!

This is exactly what I wanted, thank you!