haggi krey
haggi krey
About Me
EXPERTISE
Technical Director
INDUSTRY
Film/TV
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Recent Forum Posts
How to log to stdout with hou.logging? Sept. 15, 2025, 6:43 a.m.
Hi,
I was able to log entries to the default logging system in houdini with something like this:
However, while this entry appears in the log panels if I turn on python logging, it does not appear if I call it from husk rendering. In this case I want to see it in a cmdline output from the prerender script. I suppose something like logging to stdout could help, but how do I have to set it up?
Thanks for any hints.
I was able to log entries to the default logging system in houdini with something like this:
import hou entry = hou.logging.LogEntry(message = "--- Logging Test ---") hou.logging.log(entry)
However, while this entry appears in the log panels if I turn on python logging, it does not appear if I call it from husk rendering. In this case I want to see it in a cmdline output from the prerender script. I suppose something like logging to stdout could help, but how do I have to set it up?
Thanks for any hints.
Initial state with distributed flip sim Oct. 2, 2024, 7:32 a.m.
Hi,
I created a simple distributed flip sim with two slices. The basic setup works fine but as soon as I try to use initial states, the sim hangs at first sim frame. I created a separate initial state for every slice. Any idea if distributed sims should work at all with initial states?
I created a simple distributed flip sim with two slices. The basic setup works fine but as soon as I try to use initial states, the sim hangs at first sim frame. I created a separate initial state for every slice. Any idea if distributed sims should work at all with initial states?
Volume loss in flip sims with moving colliders. Oct. 26, 2023, 9:47 a.m.
Hi, this is a copy of my message on discord's "Think Procedural" server.
Okay, so I tried to create a boiling water effect. Basically I think there are two ways to create discrete bubbles,
Default sim with moving bubbles is this one loosing_volume_default.mp4. You can see how the volume is smaller at the end of the sim
Next I tried to compensate it with a gasequalize microsolver what seems to work even if it looks as if it would first loose volume and then go back to the original again: loosing_volume_equalizer.mp4
And finally I tried the divergence field approach: loosing_volume_divergence.mp4
Seems to work somehow but maybe it's still too much. I attached the hip file as well.
So my questions if anyone is interested:
Okay, so I tried to create a boiling water effect. Basically I think there are two ways to create discrete bubbles,
- with incompressible fluid or
- with geometry collisions
Default sim with moving bubbles is this one loosing_volume_default.mp4. You can see how the volume is smaller at the end of the sim
Next I tried to compensate it with a gasequalize microsolver what seems to work even if it looks as if it would first loose volume and then go back to the original again: loosing_volume_equalizer.mp4
And finally I tried the divergence field approach: loosing_volume_divergence.mp4
Seems to work somehow but maybe it's still too much. I attached the hip file as well.
So my questions if anyone is interested:
- Why does the flip sim loose volume with moving colliders at all?
- Are these methods (maybe I could try to increase the particle radius scale as well) the only way to keep the volume? Feels like cheating. Or am I simply missing some details in my flip sims?