What is glTF Transmission?

Transmission is a collection of material roughness, base color, and alpha masking. This tutorial describes what Transmission is and provides detailed instructions, using Blender, to apply it to a model of a stained glass lamp. In addition, there is a discussion with examples to show the difference between Transmission and alpha blend and alpha mask.
glTF Tutorial Series Playlist: • glTF Tutorial Series
(c) 2023, The Khronos Group. Licensed as CC-BY, except for material that is identified otherwise. "Otherwise" includes Logos, etc.

[@KevinMerinoCreations]

Great idea to put out these feature highlight videos! 👏👏👏

[@Eduardfp]

more of this please!

[@binarycloth7132]

Very nice and helpful

[@onuryildirim]

I am using Microsoft 3d viewer program and the transparent parts (glass, diamond, etc.) of my models are not visible? But I can see other gltf web viewers as well. I wonder what is the reason for this? Because there are transparent objects in the models in Microsoft's model library?

[@bghgary]

This depends on the model. If the model is using newer glTF extensions (such as the transmission extension described in this video), then they are not currently supported in 3D Viewer. The few transparent objects in the model library are using alpha blending.

[@esparafucio]

Couldn't you just use a roughness texture to control the shininess of the metal part instead of using the clearcoat extension?