The software I use is Vray Nest and 3Dsmax. I need to go into UE4 to see the effect, but I don't know how to generate some textures.Please help me, masters.

<span>How do I get UE4_Demo_Hair_Rootsmap, UE4_Demo_Hair_Depthmap, Unique ID Map?
</span>

https://docs.unrealengine.com/en-US/Resources/Showcases/PhotorealisticCharacter/index.html