Luca Pataracchia

lucap1

About Me

Senior Production Consultant
EXPERTISE
Technical Director

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LOCATION
Canada
WEBSITE

Houdini Skills

Availability

Not Specified

My Badges

SideFX Staff
Since Jun 2018

My Tutorials

obj-image Intermediate
Opencl SOP for VEX users
obj-image Intermediate
PDG for FX Artists
obj-image Intermediate
OpenCL COP for VEX Users
obj-image Intermediate
Retarget the CMU Motion Capture Database
obj-image Intermediate
Surfacing Lidar
obj-image Node Reference
SideFX Labs | Post Animation Deform

Recent Forum Posts

Average out a RaySOP position and normal (smooth it) - Dec. 23, 2025, 2:30 p.m.

You could scatter points on a circle and ray those points onto your ocean evaluate. Then you could use an attribute promote to get the averaged normal. This is convenient because you can scale the circle up or down depending on how smooth you want it. Additionally you can smooth out you normal over time using chops

FLIP Simulation Losing Volume Over Time Particles Disappea Nov. 22, 2025, 7:40 p.m.

You might try increasing your max substeps on your flip solver. Having fast collision objects in a flip sim will sometimes result in volume loss. More substeps can help with this. In your case it could be because the water is moving quickly when it hits the collision object.

How to pass a .py script to hython? July 20, 2023, 11:56 a.m.

I usually define a function in my .py file and put the code I want to run in that function. Then I do the following:

1. Start hython
2. soure my_module
3. my_module.my_function()

When I'm on Linux I use the shell. On windows I use cygwin for my shell. I've not tried this with the power shell