Skylight portal alternative for V-Ray GPU

[Pero Blatina]

Hi guys!

I hope you can help me out with this. Let's say we have an interior scene with storey high windows that are covered with curtains which are set to V-Ray 2 sided material with transparency turned on. However, the amount of light in the interior is still pretty low. With V-Ray CPU renderer we would just use skylight portals just in front of curtains and the amount of light would be satisfactory. My question is what is the alternative to this for V-Ray GPU renderer, since, as you all probably know, it doesn't support skylight portal?

[Francisco Penaloza]

If this is a real world example I will assume that there are lights inside the room, in that case you can turn on those lights, and adjust the exposure as need it. If you need more light than that, then just place plane light as you need it them, You could place them right in front of the top windows, make them invisible, and they just work 'like' port lights.

[Nicolai Bongard]

Maybe setting them to ignore GI under vray options could help? I am not too familiar with GPU.

[piotrus 3333]

you don’t need portals if you use adaptive vray dome light. before you use fake lights just crank up the realistic ones. if you are for something fairly realistic that is.