Hi,
I have some questions about "Dielectric 1 IOR/map" channel.
1) I have a single mesh that contains wood plastic and gold. I have a single Albedo map for it and I need to separate their IOR values with a single texture. How can I give wood, plastic and gold IOR values with single greyscale map?
2) According to the definition below we can use grayscale texture for this channel so, that map will have 0 to 1 range values. But Index value can be bigger than 1. How can we give bigger than 1 IOR values with a single greyscale map?
Dielectric 1 IOR/map
This parameter allows you to control the IOR value with an RGB / Greyscale or Procedural texture. When you define any texture to the Texture slot, the "Dielectric IOR" parameter is disabled and only controlled by the texture parameter. For example, if you define Octane Noise in the texture field here and play with its settings, you can get different results.
http://www.aoktar.com/octane/OCTANE%20HELP%20MANUAL.html?UniversalMaterial.html