tessellation problem

Hello I was trying to create a tessellate material but even though I’m setting all the nodes shown in the documentation I can’t get it right. Here my material, texture and result


as you can see from the pictures, the result is not smooth at all, I also tried to use a texture with only the stones and the ground with alpha(instead of white) but the result is basically the same.

Any idea?


I’m certainly no expert, but I’m guessing you need a normal map to get the correct surface normals on your object after its displaced. I don’t think the shaders in unreal recalculates normal values after displace like your offline renderers do (like arnold). Please correct me if I’m wrong!

I tried to add a normal map and the effect persist, so I suppose the problem wasn’t there, but thank you for the tip.