William F Pokorny <ano### [at] anonymousorg> wrote:
>
> On the screen changes being an issue. If we change the screen's finish
> to { emission 0 ambient 1 }, would we get the bright screen without any
> light contribution to radiosity? I don't know...?
>
Well, unfortunately (or fortunately, depending on how you look at it!), ambient
is now completely turned off when radiosity is used, so I can't test the idea in
v3.8. Only emission and diffuse are active.

I also thought about the 'no_radiosity' switch for certain objects. If the
oscilloscope screen is actually a separate object, maybe that would help?
Honestly, I'm not completely sure I understand that feature, from the docs'
description. But in my own test scene, I have a sky_sphere with a pigment; if I
add 'no_radiosity' to it, that does indeed turn off any radiosity-light
contribution from it.

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