Kinefx Corrective Shapes

Forums Technical Discussion Kinefx Corrective Shapes

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bvoldman1: Member; 1 posts; Joined: Jan. 2021; Offline

Jan. 18, 2021 2:34 p.m.

Can someone advise on what the correct workflow would be to create a corrective shape on a kinefx rig?

With obj level rigs I use a shape difference node and some vex but this doesn't seem to work in kinefx.


edward: Member; 7714 posts; Joined: July 2005; Offline

Jan. 22, 2021 9:43 a.m.

I think most old set ups should transfer over with the exception of how the shape is driven because now those values need to come from the kinefx joints instead of objects. Are you able to post an example of your old set up?


apls: Member; 3 posts; Joined: Nov. 2020; Offline

Feb. 10, 2021 1:59 p.m.

I'm trying to figure out how to work with corrective shapes in KineFX as well and have been following this tutorial (not KineFX): Character rigging in Houdini - Corrective Shapes - Part 2 [www.youtube.com], but it doesn't work.

Should this workflow be somehow adjusted for KineFX? What should I specify in the ExtractBoneTransforms node?


apls: Member; 3 posts; Joined: Nov. 2020; Offline

Feb. 10, 2021 3:55 p.m.

I've attached my hip file that crashes Houdini if you set the "Transforms Path" for the ShapeDiff to the CHOP node. I've already reported the bug but still thinking that I'm just doing something wrong.

Attachments:
corrective-shape-v1.hipnc (150.8 KB)


apls: Member; 3 posts; Joined: Nov. 2020; Offline

Feb. 12, 2021 5:44 p.m.

The bug with the CHOP node was fixed in the latest daily build 486, but the code still doesn't work as expected: something wrong with the ShapeDiff output mesh. The hip file is attached.

Attachments:
corrective-shape-v2.hipnc (160.4 KB)

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