On 11-4-2016 12:13, Jaime Vives Piqueres wrote:
...
>     As you can see, the final pattern using the derivatives is tricky...
> I had to play with EPSILON to find a value suitable for the scale of my
> height_field and the "precision" I wanted. Then used select find the
> negative parts and convert them to positive, and scaling the values up
> because they are extremely small. Don't ask me how the hell I worked
> that out... attached is a first render showing the result. Still not
> what I want, but seems this is the way to go.
>

phew...! That is pretty good Jaime. Not yet there but very very close. I 
wanted to explore further some ideas proposed by Marc Jacquier in his 
sea code but I am not getting really anywhere. It probably is a dead 
end, but worth looking into.


-- 
Thomas

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