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September 17, 2019, 12:20:04 pm


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How to direct erosion on a rising terrain?

Started by Onkelpoe, July 29, 2019, 05:58:19 am

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hi there,

I got a little bit of a problem, may somebody like to help:

I got a pre-made terrain (heightmap) and I need to erode it a bit.
However, the mostly flat ground needs to stay untouched - the problem is, the terrain rises up from south to the north.


Now, as you can see on the image, if I would use erosion without any selection or masking, WM would erode everything, including the ground (see light-green lines)

I need a way, to direct erosion in a "diagonal line" across the terrain (see blue, dotted line).

Now - how can I get there?

Kind Regards!

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