[Tutorial] Creating Dust And Atmosphere in IrayA video version is here.[Tutorial] Creating Dust And Atmosphere in Iray by SickleYield
I learned this method from jag11 on the DAZ3D forums, who is thanked for permission to use it in this tutorial!
In 3Delight there's no way to create atmosphere or godrays (the rays that are visible when light passes through dust or particles). There are products to facilitate (one of them mine), but most are either not the easiest to use or ultimately just a faking of a feature the engine lacks. Many artists use postwork instead.
DAZ Studio 4.8 Beta's new Iray engine also lacks a native mechanism for creating atmospheric volumes - but it can be easily convinced to produce them! They will come from your lights and react to objects in your scene. I did a test image of Jack Tomalin's Chapter House Iray scene (free to Plat Club members
Iray Surfaces And What They MeanI've updated and corrected this article based on DAZ's documentation. You should read that if you want more information. This will continue to be more of a "plain talk" breakdown.Iray Surfaces And What They Mean by SickleYield
Let us begin with the different types of shaders from the "Base Mixing" dropdown at the top. Choosing one of these will hide or gray out some options and reveal others.
The Iray shader behaves as though it has three layers: The "base" layer, the "metallic flakes" layer on top of that, and the "top coat layer" on top of that. It is possible to turn off the top two layers and not use their settings, but the ability to use them is a property this shader has that 3Delight did not. This makes using shaders made for Iray very important when rendering to get the best look in Iray!
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