This is very interesting ... there is even a shader ... any use for LuxCore ?
https://github.com/SebLague/Hydraulic-Erosion
Hydraulic-Erosion
Hydraulic-Erosion
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Re: Hydraulic-Erosion
It would be possible to develop a LuxCore shape like that (i.e. like displacement, etc.) to pre-process geometries however it would be a bit cumbersome without seeing the end result directly in Blender wire-frame view-port.
Re: Hydraulic-Erosion
I agree with Dade, could be implemented as a shape, but would make much more sense as a Blender addon, if it can be done in a way with good performance (e.g. C++ module with Python bindings for the heavy work).