Just cant get rid of Light leaks

[Guest]

Hi,

I have an exterior scene where the building is far in the distance. Some 100 metres away from the camera. I am rendering a 5k image, on the exterior of the building there are light leaks from the interior lights in the building. I am using IR + LC and I ahve tried various methods to try and eliminate the problem.

I have set the shadow bias of each interior light to 0.001mm, turned on detail enhancement and set the scale to world, 100mm radius and a subdivs multiplier of 0.5. The IR settings HSph subdivs 70, interp samples 30. Check sample visibility is on. LC is 1500 subdivs with 150mm world scale.

I am running out of options and I am not sure what settings would suffice for this type of scene as the building is so far away from the camera.

Thanks!

[Guest]

Adaptive DMC sampler is min 1 max 12. Noise threshold 0.07

[vlado]

I have an exterior scene where the building is far in the distance. Some 100 metres away from the camera. I am rendering a 5k image, on the exterior of the building there are light leaks from the interior lights in the building. I am using IR + LC and I ahve tried various methods to try and eliminate the problem.

Can you show (a part of) an image? Aslo, what is your secondary GI engine?

Best regards,
Vlado

[Guest]

Vlado, I have emailed you. Thanks.

[Deflaminis]

I had issues like this once on a short film I was doing and after checking everything it turned out to be the objects Xforms...

[Da_elf]

its 100m from camera.. how far from max origin is it?

[Morne]

did you tick "retrace threshold" in LC?

[Guest]

did you tick "retrace threshold" in LC?

vlado suggested this and it worked I managed to try everything but this setting. Thanks.