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.
>
> So, for example, maybe the lake extends away to the north, beyond the current
> testing radius, and there is a ridge to south, but then a lower point. Since the
> lake extends away to the north, the algorithm detects that as the lowest point
> (equal to the current water level), and therefore does not raise the water
> level, but does keep expanding the radius. Eventually, it does detect a lower
> point, but it's on the other side of the ridge. Right now, the algorithm has no
> method to detect that the water can't get there from here, so it goes ahead and
> jumps the stream through the rock to the other side.
>
>

Ah. That is a complication indeed.

-- 
Thomas

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