Resources for lighting glass in 3D
Anyone know of a good tutorial or guidelines for lighting glass in 3D? I've set up a scene looking down into the end of a glass tube, and am having trouble getting it to look "glassy." I think I'm missing some major principles of lighting for glass. Do I need other things in the room for reflections? A background image? Specific lights? Any help or links would be greatly appreciated. Thank you so much in advance.