On 23-6-2017 13:21, Thomas de Groot wrote:
> Steering clear from specialised modelling packages which can do this, 
> and trying to restrict myself to only POV-Ray, trace() is an obvious 
> tool but it needs to be completed with some kind of gravity (vertical; 
> trace -y) and/or stream energy (horizontal; trace +/-x or +/-z) control 
> to settle individual grains before, during, and after impacts over a 
> number of incrementing iterations. Not easy!
> 

Something like this would be nice :-o

https://www.deltares.nl/academy/delft3d-4-modelling-sediment-transport-and-bed-dynamics/

-- 
Thomas

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