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Technical Discussion An open question and answer forum to discuss specific technical issues with the Houdini family of products.

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Should I split HF to serveral parts when high res
By happybabywzy, Feb. 9, 2026 4:16 a.m. Last post by Tanto on Feb. 10, 2026

1 Replies

531 Views

Feb. 10, 2026 10:06 a.m.
Tanto
Remove chs() from parameter via python command
By schoenberger, April 22, 2022 6:36 a.m. Last post by npetit on Feb. 9, 2026

3 Replies

2222 Views

Feb. 9, 2026 11:22 p.m.
npetit
Python Error In Linux But Not Windows
By tommygdawg, Feb. 9, 2026 1:56 p.m. Last post by tommygdawg on Feb. 9, 2026

2 Replies

608 Views

Feb. 9, 2026 8:43 p.m.
tommygdawg
Apex Rigging Multi-IK pole vector placement...
By seven6ty, Feb. 9, 2026 8:26 p.m. Last post by seven6ty on Feb. 9, 2026

0 Replies

360 Views

Feb. 9, 2026 8:26 p.m.
seven6ty
Smooth SOP not respecting attribute mask/group from Intersec
By Damon_lavenski, Feb. 8, 2026 8:01 p.m. Last post by Damon_lavenski on Feb. 9, 2026

3 Replies

803 Views

Feb. 9, 2026 12:21 p.m.
Damon_lavenski
USD How to instance geo onto Skeleton
By Mark Wallman, Feb. 9, 2026 9:30 a.m. Last post by Mark Wallman on Feb. 9, 2026

0 Replies

361 Views

Feb. 9, 2026 9:30 a.m.
Mark Wallman
Help with Feather Attribute Transition in Houdini
By maurizio giglioli, Feb. 5, 2026 6:30 a.m. Last post by mgiglioli on Feb. 9, 2026

1 Replies

502 Views

Feb. 9, 2026 5:19 a.m.
mgiglioli
RBD sim but in 2D?
By olivierth, Feb. 6, 2026 11:42 a.m. Last post by anon_user_36281278 on Feb. 8, 2026

3 Replies

879 Views

Feb. 8, 2026 4:08 p.m.
anon_user_36281278
UVlayout not random enough
By olivierth, Feb. 6, 2026 12:06 p.m. Last post by olivierth on Feb. 6, 2026

0 Replies

375 Views

Feb. 6, 2026 12:06 p.m.
olivierth
Trouble setting Karma displacement maps.
By JonathanMusso, Feb. 1, 2026 11 p.m. Last post by JonathanMusso on Feb. 5, 2026

2 Replies

1238 Views

Feb. 5, 2026 2:21 p.m.
JonathanMusso
Vulkan and Background Video in the Viewport
By OneBigTree, Aug. 29, 2025 1:15 p.m. Last post by OneBigTree on Feb. 5, 2026

3 Replies

1317 Views

Feb. 5, 2026 2:14 p.m.
OneBigTree
How to switch active radial menu programmatically?
By kodra, Dec. 1, 2023 10:02 a.m. Last post by Tomek P on Feb. 4, 2026

1 Replies

1444 Views

Feb. 4, 2026 12:35 p.m.
Tomek P
usd primitive pattern expression problem in Solaris
By masa90210, Feb. 4, 2026 3:46 a.m. Last post by masa90210 on Feb. 4, 2026

1 Replies

495 Views

Feb. 4, 2026 4:23 a.m.
masa90210
Solaris feathers motion blur issue
By Flavie, Jan. 23, 2026 1:57 p.m. Last post by Viduttam on Feb. 3, 2026

4 Replies

815 Views

Feb. 3, 2026 5:13 p.m.
Viduttam
Store animations as Hermite splines in USD
By anna87, Feb. 1, 2026 9:43 p.m. Last post by anna87 on Feb. 2, 2026

1 Replies

432 Views

Feb. 2, 2026 10:35 p.m.
anna87
Arnold Curves: how to control orientations?
By olivierth, Feb. 2, 2026 5:41 p.m. Last post by olivierth on Feb. 2, 2026

0 Replies

361 Views

Feb. 2, 2026 5:41 p.m.
olivierth
Crash cause of (supposedly) opened file count. Solaris USD
By paro, Oct. 19, 2025 7:39 a.m. Last post by paro on Feb. 2, 2026

4 Replies

1175 Views

Feb. 2, 2026 5:50 a.m.
paro
Apex rigging viewport questions...
By seven6ty, Jan. 25, 2026 1:42 a.m. Last post by seven6ty on Jan. 31, 2026

2 Replies

673 Views

Jan. 31, 2026 6:38 p.m.
seven6ty
Building From Patterns SideFX LABs tool wrong order
By wolfgang_s, Jan. 31, 2026 8:01 a.m. Last post by wolfgang_s on Jan. 31, 2026

0 Replies

340 Views

Jan. 31, 2026 8:01 a.m.
wolfgang_s
Custom Parameter Tags ¶
By Debrumaire, Jan. 23, 2026 5:48 p.m. Last post by Debrumaire on Jan. 30, 2026

2 Replies

587 Views

Jan. 30, 2026 5:28 p.m.
Debrumaire

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