Dan Lee
dlee
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SideFX Staff
Since Sep 2016
Recent Forum Posts
SSS differences Houdini21 and Houdini22 Oct. 20, 2026, 11:14 a.m.
Hi. Can you file a bug please? (for the double-multiply of thin-walled SSS colour)
This is actually a long standing bug in the reference implementation of OpenPBR shadergraph that ships with MaterialX. We've been manually patching it for 21.0 and older, but it slipped us by when we upgraded MaterialX library to the newer version.
This is actually a long standing bug in the reference implementation of OpenPBR shadergraph that ships with MaterialX. We've been manually patching it for 21.0 and older, but it slipped us by when we upgraded MaterialX library to the newer version.
Karma CPU - Jagged Artifacts when Rendering AO and Smooth Normal in H21.0.631 Sept. 9, 2026, 10:07 a.m.
It's certainly an unexpected behaviour
Can you please file a bug? Thanks.
Can you please file a bug? Thanks.
Karma not resuming from checkpoint with Background Plate LOP Aug. 6, 2026, 8:26 a.m.
Uh oh, can you file a bug please?