Hi everyone,

I'm encountering an issue with whitewater rendering in Karma XPU and would appreciate your expertise.

Scenario:

Simulated ocean waves with Karma XPU

Dynamic whitewater: Volume-rendered

Stationary/splash whitewater: Uniform-rendered particles

Problem:
The dynamic whitewater appears unnaturally fog-like instead of having distinct foam shapes, even though stationary/splash particles render correctly with uniform mode.

Current Setup:

Dynamic whitewater: Volume rendering with @pscale attribute

Stationary/splash: Point cloud + Karma particle uniform rendering


Side-by-side comparison video (simulation vs render)
Attached:



Key Questions:

Is this caused by insufficient particle count for volume rendering?

Could there be hidden parameter conflicts between volume/particle renders?

Any recommended Karma XPU-specific optimizations for hybrid rendering setups?

Thank you in advance for any insights!