On 16-2-2017 19:59, Kirk Andrews wrote:
> So, I'm starting to get my head around what's happening with the lakes not
> filling up. As it searches for a point lower than the water level in an
> increasing radius, it doesn't take into account whether or not the water can
> actually flow that way.
>

I used here a height_field where a drainage pattern has been eroded with 
the help of a succession of different applications. As I expected, the 
pattern is not perfect, with ridges barring the drainage courses in 
several places. I have not yet found a single application that does the 
job faultlessly.

However, the code does a good job I think in joining the lowermost areas.

-- 
Thomas

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