Am 25.02.2017 um 08:53 schrieb Thomas de Groot:

> The water seems to be above the surface. Also, stream patterns do not
> take the underlying landscape into account, with patterns happily
> crossing peaks. I guess that the pattern was not derived from this
> particular landscape but was just superposed on it for testing's sake.
> Using a flow map generated from a particular landscape that would be
> possible to do indeed. Wilbur, amongst others, can make such maps.

No, the image is ok. It's just surprisingly difficult to flip your brain
in the right direction, if you know what I mean.

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