My experiments over the topic. Hope you find that useful.
My Telegram channel for more content, I try.
https://t.me/houdinimudini
The link to FREE Houdini file on Gumroad
https://purplelight.gumroad.com/l/opstt
Height Fields links and info
Short with a few examples. Advect by volume
https://youtube.com/shorts/ZKr-4sUWEqg?si=vqg3U2ix9WvugVLU
Houdini Hangout - 04/03/2024 - Heightfield Advection
https://www.youtube.com/watch?v=mul8Tt_ta9k
Geometrical Advected Heightfields in Houdini
https://youtu.be/erpu5v3Jc3A?si=yaFPMr6MYFAl8GpH
OFFF Titles - Reimagined | Paul Esteves | OFFF HIVE 2025
https://youtu.be/blpXGKL-VdU?si=7iGbiQbtgEJIbGN6
Heightfields in Motion | ManvsMachine | OFFF HIVE
https://youtu.be/IXy28aVu2SM?si=co11iAAv7P0BUVjO
Volumesample and volumegradient basics from Voxyde VFX
https://youtu.be/wABDw7cgumM?si=DfNYCMDo3Rldsdh1
Project Pegasus | Landscape Deep Dive 2 | Heightfield Advect Points
https://youtu.be/b6dAxgTazKA?si=-kUpap17feLo1hCe