Creating all Vray material layers from the same picture

Hello,
Would like to create all differents layer of a Vray material from the same picture downloaded online. How to get :

  • Ambient occlusion
  • Displacement
  • Normal
  • Roughness

Exemple in the pictures attached

Hello - please see

https://forums.chaosgroup.com/forum

-Pascal

Thanks but i can’t have an asccess to Chaosgroup forum