Forums Technical Discussion FLIP SOP how to have closed collider?

FLIP SOP how to have closed collider?

   Views 222   Replies 3   Subscribers 1
User Avatar
mzigaib
Member
1001 posts
Joined: April 2008
Offline
 
I want to have fluid inside a sphere like container, how can I do that with the FLIP SOP workflow?
I tried to invert the SDF in the collider but it does not work, can someone help me?

Thanks!
Edited by mzigaib - March 26, 2025 23:33:49
https://vimeo.com/user2163076 [vimeo.com]
 Report
User Avatar
Zybrand
Member
93 posts
Joined: Jan. 2014
Offline
 
I also tried and couldn't get the invert SDF trick working with the FLIP SOP workflow. My workaround was to fix it in sops by creating a thick shell to collide with instead of trying to invert the collision.

Attachments:
closed collision.JPG (106.7 KB)

 Report
User Avatar
mzigaib
Member
1001 posts
Joined: April 2008
Offline
 
Thanks for the feedback, I am glad that there is a solution for that I really like the FLIP SOPs workflow.
I also did try that my way and for some reason it did not work my particles inside were disappearing but I will try again and see what happens, I hope Sidefx have a plan to have a simple solution for situations like this.

Do you need to "fill interior" when you create the inside and outside VDBs before combine them?

Thanks!
Edited by mzigaib - March 27, 2025 09:03:17
https://vimeo.com/user2163076 [vimeo.com]
 Report
User Avatar
mzigaib
Member
1001 posts
Joined: April 2008
Offline
 
I am not sure why but I try the exact same thing and it does not work for me.
Could someone help me with this?

Image Not Found
Edited by mzigaib - March 27, 2025 22:51:18

Attachments:
closed_collider_v01.hipnc (689.4 KB)
Screenshot From 2025-03-27 23-50-21.png (496.0 KB)

https://vimeo.com/user2163076 [vimeo.com]
 Report
  • Quick Links
▼
  • Jump to
  • Houdini
  • News
  • Houdini Indie and Apprentice
  • Houdini Lounge
  • Technical Discussion
  • Work in Progress
  • Houdini Learning Materials
  • BYOC + Illume
  • Houdini for Realtime
  • Solaris and Karma
  • Rigging
  • Animation
  • PDG/TOPs
  • The Orbolt Smart 3D Asset Store
  • Houdini Jobs
  • 日本語フォーラム
  • Licensing
  • Houdini Engine
  • Houdini Engine API
  • Houdini Engine for Unreal
  • Houdini Engine for Unity
  • Houdini Engine for Maya
  • Houdini Engine for 3ds Max
  • Private
  • Contests
  • Mardini 2025
  • Mardini 2023
  • H20 Tech Art Challenge
  • Mardini 2024
  • SideFX Labs Tech Art Challenge 2022
  • MARDINI Daily Art Challenge 2022
  • SideFX Labs Tech Art Challenge 2021
  • MARDINI Daily Challenge 2021
  • Nodevember 2020
  • HOULY Daily Challenge
  • 3rd Party Software and Tools
  • 3rd Party
  • SI Users