On 15-3-2019 22:39, Alain wrote:
> The most obvious issue that I see is where the wall meet the floor. It 
> looks like you are getting radiosity samples from the back of the wall.
> Some possibility :
> Make the wall go slightly lower than the floor.
> Place another box inside the wall at the floor's level.
> Add a plinth in front of the wall. It can make the scene more realistic 
> at the same time.
> Scale up the whole scene by some factor, like 10 times. If using spacing 
> for the photons, increase it by the same factor.
> 
> If you have some problem with the window, try making the outer edge 
> broader so that it goes into the red frame.
> 

This image version has been scaled up x10. Initially, the bleeding did 
not disappear, only after I gave the walls a more complex texture was it 
reduced. I think that it was mostly the uniform pigment that was at issue.

The window's edge still shows the issue; I need to look deeper.

To brighten up the room, I gave the walls a tiny bit of emission.

Instead of aa, I used a bit of focal blur.

-- 
Thomas

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