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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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Topology-aware attribute transfer (flood fill?)
By raincole, Feb. 3, 2024 4:36 a.m. Last post by Konstantin Magnus on March 3, 2026

2 Replies

1750 Views

March 3, 2026 9 a.m.
Konstantin Magnus
How to launch Houdini Command Line like a shell (windows)?
By raincole, March 3, 2026 12:07 a.m. Last post by johnmather on March 3, 2026

1 Replies

359 Views

March 3, 2026 12:50 a.m.
johnmather
Augmenting FBX animation using KineFX (and CHOPs?)
By bentway23, March 2, 2026 9:34 p.m. Last post by raincole on March 3, 2026

1 Replies

314 Views

March 3, 2026 12:21 a.m.
raincole
Particles stick on anim surface until vel is more than 0.5
By MasiCG, June 20, 2022 7:47 a.m. Last post by MasiCG on March 2, 2026

2 Replies

1359 Views

March 2, 2026 10:55 a.m.
MasiCG
How to add a custom exporter?
By raincole, March 2, 2026 7:49 a.m. Last post by Enivob on March 2, 2026

1 Replies

408 Views

March 2, 2026 8:53 a.m.
Enivob
Display options issue
By looperstrikesagain, March 1, 2026 10:41 a.m. Last post by looperstrikesagain on March 1, 2026

0 Replies

259 Views

March 1, 2026 11:44 a.m.
looperstrikesagain
Specify resources file at launch
By coccarolla, Feb. 26, 2026 10:17 a.m. Last post by coccarolla on Feb. 28, 2026

2 Replies

486 Views

Feb. 28, 2026 3:38 p.m.
coccarolla
Bake displacement and dicing into my mesh
By tq_stn, Feb. 28, 2026 6:28 a.m. Last post by tq_stn on Feb. 28, 2026

0 Replies

292 Views

Feb. 28, 2026 6:28 a.m.
tq_stn
Animated texture not playing in the Viewport H21
By MarkusPS, Feb. 27, 2026 10:20 a.m. Last post by johnmather on Feb. 27, 2026

2 Replies

375 Views

Feb. 27, 2026 3:02 p.m.
johnmather
OCIO Error
By frescalus, Jan. 14, 2026 3:50 p.m. Last post by Xue_Yue on Feb. 26, 2026

3 Replies

972 Views

Feb. 26, 2026 6:18 a.m.
Xue_Yue
How to turn off tessellation in the viewport globally?
By Heileif, Feb. 5, 2026 7:48 a.m. Last post by stephen_bester on Feb. 26, 2026

3 Replies

729 Views

Feb. 26, 2026 5:28 a.m.
stephen_bester
Dynamic Grid Animation with different growing objects_Part2
By Daniel75, Feb. 25, 2026 12:27 p.m. Last post by Daniel75 on Feb. 25, 2026

0 Replies

309 Views

Feb. 25, 2026 12:27 p.m.
Daniel75
Nebulae-Volume rendering questions (Houdini 21 / RS 2026.3)
By Adriano, Feb. 24, 2026 6:26 p.m. Last post by Adriano on Feb. 25, 2026

5 Replies

1300 Views

Feb. 25, 2026 9:15 a.m.
Adriano
Crash on Startup on VDI machine
By blaven, Feb. 24, 2026 1:07 p.m. Last post by blaven on Feb. 24, 2026

2 Replies

431 Views

Feb. 24, 2026 2:03 p.m.
blaven
How to launch & control houdini programmably
By raincole, Feb. 24, 2026 8:17 a.m. Last post by johnmather on Feb. 24, 2026

2 Replies

521 Views

Feb. 24, 2026 1:53 p.m.
johnmather
Point deforming hires geo onto emitted vellum objects
By bentway23, Feb. 22, 2026 11:39 a.m. Last post by bentway23 on Feb. 22, 2026

0 Replies

353 Views

Feb. 22, 2026 11:39 a.m.
bentway23
Button parameter to change the input of a switch node
By Moritz1801, Feb. 21, 2026 11:49 a.m. Last post by Moritz1801 on Feb. 21, 2026

2 Replies

439 Views

Feb. 21, 2026 3:53 p.m.
Moritz1801
Vellum broken pieces as pops emitter?
By isaacreation, Dec. 17, 2025 4:48 a.m. Last post by Tanto on Feb. 20, 2026

3 Replies

666 Views

Feb. 20, 2026 10:19 a.m.
Tanto
Startup error with SideFxLabs - Error reading CPIO data
By haggi krey, Feb. 20, 2026 5:09 a.m. Last post by haggi krey on Feb. 20, 2026

0 Replies

515 Views

Feb. 20, 2026 5:09 a.m.
haggi krey
Python callback to run every time any HDA parameter change
By Patoz, Feb. 18, 2026 9:22 p.m. Last post by Patoz on Feb. 19, 2026

2 Replies

529 Views

Feb. 19, 2026 3:19 p.m.
Patoz

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