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Cracks between tessellated landscape levels using World Composition


I'm using World Composition and I have a camera distance faded tessellation and world displacement effect going on. I get cracks between the landscape levels (at the borders of each level) which breaks the illusion of realism pretty badly.

What I've tried to resolve the issue:

Enabling Crack Free displacement - I get no displacement when this is enabled, but it does remove the cracks from the borders haha, allthough I'd preferably want the effect of the tessellation / displacement Enabling/Disabling Adaptive Tessellation - doesn't affect the borders. Played around with the Max Displacement value - didn't affect the borders

Pictures of the material setup:

alt text

How it applies to the landscape:

alt text


Product Version: UE 4.18
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asked Dec 01 '17 at 02:28 PM in Using UE4

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